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Apache Compile HOWTO

Luc de Louw

�����������<luc at delouw.ch>
��������
Revision History                                                             
Revision 1.9.18                                  2003-02-09                  
Added XML and Sablotron support to PHP, dropped support for mod_jserv, added 
mod_jk support, enhanced support for Tomcat, updated software mentioned in   
the HOWTO, minor SGML enhancements                                           
Revision 1.9.17                                  2002-10-16                  
Updated software mentioned in the HOWTO, Further SGML enhancements and       
cleanups like more metadata, callouts and others.                            
Revision 1.9.16                                  2002-07-04                  
Updated the software mentioned in the HOWTO, added LogFormat config for      
mod_gzip. Added gdbm to prerequisites. Lot of SGML enhancements like more    
metadata, and a revised FAQ section.                                         
Revision 1.9.15                                  2002-06-19                  
Updated to mod_ssl-2.8.9-1.3.26 and removed the temporary patch.             
Revision 1.9.14                                  2002-06-19                  
Updated to Apache 1.3.26 to fix security-hole CERT CA-2002-17 it is strongly 
recommended that users should update immediately, Added (temporary) patch to 
get mod_ssl 2.8.8 working with 1.3.26, Added --without-debug to MySQL        
configure                                                                    
Revision 1.9.13                                  2002-06-15                  
updates of software mentioned in the HOWTO, added how to bind MySQL to a     
specific IP, some minor changes and corrections                              
Revision 1.9.12                                  2002-04-22                  
Added mod_gzip and mod_gunzip, Corrected some typos, updates of software     
mentioned in the HOWTO, separated the additional modules into an own section.
Revision 1.9.11                                  2002-04-07                  
Corrected lots of typos (non-technical), updates of software mentioned in the
HOWTO                                                                        
Revision 1.9.11-pre1                             2002-03-15                  
Corrected some grammar, updates of software mentioned in the HOWTO           
Revision 1.9.10                                  2002-03-09                  
Corrected some grammar, updates of software mentioned in the HOWTO           
Revision 1.9.9                                   2002-02-11                  
Fixed a major bug in openssl config, restructured the document, added sources
for further informations                                                     
Revision 1.9.8                                   2002-02-08                  
Updates of software mentioned in the HOWTO, and fixed some bugs              
Revision 1.9.7                                   2001-12-26                  
Updates of software mentioned in the HOWTO, tested the HOWTO procedures on   
Linux running on IBM S/390 (zSeries) Machines (See "platforms" for more      
info), Added some basic support for Tomcat (Binaries only)                   
Revision 1.9.6                                   2001-10-27                  
Updates of software mentioned in the HOWTO, and fixed some bugs              
Revision 1.9.5                                   2001-08-27                  
Yet another rewrite in DocBook 3.1                                           
Revision 1.9.4                                   2001-08-26                  
Updated the Software-Versions mentioned in the document, corrected some typos
Revision 1.9.3                                   2001-06-23                  
Current Version 2.0.0-pre3 in Linux DocBook format                           
Revision 1.0.0                                   2000-08-05                  
First publication of the html-based document                                 


This document describes howto compile the Apache Webserver with the most
important modules like mod_perl, mod_dav, mod_auth_ldap, mod_dynvhost,
mod_roaming, mod_jserv, and mod_php

-----------------------------------------------------------------------------
Table of Contents
1. Introduction
    1.1. Contributors and Contacts
    1.2. Why I wrote this document
    1.3. What this document is supposed to be
    1.4. What this document doesn't do for you
    1.5. Platforms
    1.6. Copyright Information
    1.7. Disclaimer
    1.8. New Versions
    1.9. Credits
    1.10. Feedback
    1.11. Translations
    1.12. About the author
   
   
2. Prerequisites
    2.1. General
    2.2. OpenSSL
    2.3. GNU Database System
    2.4. MySQL
    2.5. Building mm
   
   
3. Getting, build and install Apache with its basic modules
    3.1. Get and untar the Apache Source
    3.2. mod_ssl
    3.3. mod_perl
    3.4. Configure and build Apache
   
   
4. Additional modules
    4.1. mod_dav
    4.2. auth_ldap
    4.3. mod_auth_mysql
    4.4. mod_dynvhost
    4.5. mod_roaming
   
   
5. Compressed delivery
    5.1. mod_gzip
    5.2. mod_gunzip
   
   
6. mod_php and its prerequisites
    6.1. What is mod_php
    6.2. Prerequisites
    6.3. Building and installing PHP4
   
   
7. PHP extensions
    7.1. APC (Alternative PHP-cache)
    7.2. Zend-Optimizer (Do _NOT_ combine with APC-Cache!)
   
   
8. Jakarta Tomcat
    8.1. What is Tomcat
    8.2. Prerequisites
    8.3. Download the binaries
    8.4. mod_jk
   
   
9. Further Information
    9.1. News groups
    9.2. Mailing Lists
    9.3. HOWTO
    9.4. Local Resources
    9.5. Web Sites
   
   
10. Questions and Answers

Warning Security hole in Apache older than 1.3.26                            
�       Do NOT use any Apache version older than 1.3.26. See [http://        
        www.cert.org/advisories/CA-2002-17.html] http://www.cert.org/        
        advisories/CA-2002-17.html for more information                      
-----------------------------------------------------------------------------

1. Introduction

1.1. Contributors and Contacts

First I would thank all those people who send questions and suggestions that
made a further development of this document possible. It shows me, sharing
knowledge is the right way. I would encourage you to send me more suggestion,
just write me an email <luc at delouw.ch>.
-----------------------------------------------------------------------------

1.2. Why I wrote this document

All Linux distributions I tested had a non-optimal default setup of Apache.
Additionally all major distributions don't have current versions of Apache.

Finally most commercial Unix are delivered without pre-installed Apache, or
using a very strange setup.

Since I am installing a lot of customized webservers on different Unixes
therefor I wrote a plaintext document and placed it on my website so I can
access it at work. Later a friend posted the URL to a mailinglist, and the
first questions arrived. So I decided to put more information on the page.

After a lot of people requested the document as an �official� HOWTO written
in SGML, I decided to prepare it to be one.
-----------------------------------------------------------------------------

1.3. What this document is supposed to be

Compiling all the items described below needs a lot of configure-options that
nobody can memorize. This is supposed to be a copy-paste-ready text to
compile Apache and friends.

Also, people should learn how to build a full-featured Apache webserver by
themself to be independent from any Linux distributors.
-----------------------------------------------------------------------------

1.4. What this document doesn't do for you

It is just a Document, not a script that makes the work for you. You have to
do all the steps by yourself.
-----------------------------------------------------------------------------

1.5. Platforms

The original document was for all major Unix platforms. Now the HOWTOs are
separated for each platform. You will find the same document adapted for:

��*�Linux (This Document)
   
��*�IBM AIX 4.3 and 5.1L
   
��*�Sun Solaris 6/7/8
   
��*�Hewlett-Packard HP-UX 11
   
��*�{Free|Net|Open}-BSD
   

Important Notice for users running Linux on IBM S/390 (zSeries): PostgreSQL
and Jserv wont compile on that system. All other programs and modules
mentioned in the HOWTO are working perfectly

Other Unix platforms: Feel free to create a guest-account for me on your Unix
platform, so I can have a look at the differences.

Windows-Users: I'm sorry, I'm too young for a heart-attack, You will need to
upgrade your machine to a �real� operating system ;-)
-----------------------------------------------------------------------------

1.6. Copyright Information

This document is copyrighted (c) 2000, 2001, 2002, 2003 Luc de Louw and is
distributed under the terms of the Linux Documentation Project (LDP) license,
stated below.

Unless otherwise stated, Linux HOWTO documents are copyrighted by their
respective authors. Linux HOWTO documents may be reproduced and distributed
in whole or in part, in any medium physical or electronic, as long as this
copyright notice is retained on all copies. Commercial redistribution is
allowed and encouraged; however, the author would like to be notified of any
such distributions.

All translations, derivative works, or aggregate works incorporating any
Linux HOWTO documents must be covered under this copyright notice. That is,
you may not produce a derivative work from a HOWTO and impose additional
restrictions on its distribution. Exceptions to these rules may be granted
under certain conditions; please contact the Linux HOWTO coordinator at the
address given below.

In short, we wish to promote dissemination of this information through as
many channels as possible. However, we do wish to retain copyright on the
HOWTO documents, and would like to be notified of any plans to redistribute
the HOWTOs.

If you have any questions, please contact <linux-howto at metalab.unc.edu>
-----------------------------------------------------------------------------

1.7. Disclaimer

No liability for the contents of this documents can be accepted. Use the
concepts, examples and other content at your own risk. As this is a new
edition of this document, there may be errors and inaccuracies, that may of
course be damaging to your system. Proceed with caution, and although this is
highly unlikely, the author(s) do not take any responsibility for that.

All copyrights are held by their by their respective owners, unless
specifically noted otherwise. Use of a term in this document should not be
regarded as affecting the validity of any trademark or service mark.

Naming of particular products or brands should not be seen as endorsements.

You are strongly recommended to take a backup of your system before major
installation and backups at regular intervals.
-----------------------------------------------------------------------------

1.8. New Versions

This is the 15th Revision

New revisions of this document will be announced at [http://freshmeat.net/
projects/apache-compile-howto/?topic_id=905] http://freshmeat.net/projects/
apache-compile-howto/?topic_id=905

The latest version of this document is to be found at [http://www.delouw.ch/
linux] http://www.delouw.ch/linux

��*�[http://www.delouw.ch/linux/Apache-Compile-HOWTO/html/index.html] HTML.
   
��*�[http://www.delouw.ch/linux/Apache-Compile-HOWTO/Apache-Compile-HOWTO.ps]
    Postscript (ISO A4 format).
   
��*�[http://www.delouw.ch/linux/Apache-Compile-HOWTO/
    Apache-Compile-HOWTO.pdf] Acrobat PDF.
   
��*�[http://www.delouw.ch/linux/Apache-Compile-HOWTO/
    Apache-Compile-HOWTO.sgml] SGML Source.
   
��*�[http://www.delouw.ch/linux/Apache-Compile-HOWTO/
    Apache-Compile-HOWTO.html.tar.gz] HTML gzipped tarball.
   

-----------------------------------------------------------------------------
1.9. Credits

I would thank all the nice people at < discuss at linuxdoc.org> for
supporting me in writing HOWTOs
-----------------------------------------------------------------------------

1.10. Feedback

Feedback is most certainly welcome for this document. Without your
submissions and input, this document wouldn't exist. Please send your
additions, comments and critics to the following email address : <luc at
delouw.ch>.
-----------------------------------------------------------------------------

1.11. Translations

At the moment there are translations available for:

��*�[http://www.delouw.ch/linux/DE-Apache-Compile-HOWTO/html/index.html]
    German
   
��*�[http://www.delouw.ch/linux/FR-Apache-Compile-HOWTO/html/index.html]
    French
   

Translations to other languages are always welcome. If you translated this
document, please let me know, so I can set a link here.
-----------------------------------------------------------------------------

1.12. About the author

Luc (in english Luke) is 29 years old, playing around with computers since
20years. Currently he is working as Unix System Engineer for an
IT-corporation located in Kloten (Zurich), Switzerland. Main-focus is
developing all flavors of innovative Systems running on Linux (and other Un*
xes) . Further, for all major Un*x platforms all the ??impossible?? tasks
will end up on his desk (yes, its funny and he loves it!)
-----------------------------------------------------------------------------

2. Prerequisites

2.1. General

��*�flex 2.54
   
��*�bison 1.28
   
��*�autoconf 2.52
   
��*�automake 1.4
   
��*�libtool 1.4
   
��*�yacc 91.7.30
   
��*�freetype2-devel [1]
   
��*�re2c [2]
   
   

To be continued

All major distributions should include this general prerequisites.  
-----------------------------------------------------------------------------

2.2. OpenSSL

2.2.1. What is OpenSSL

�       The OpenSSL Project is a collaborative effort to develop a   �      
        robust, commercial-grade, full-featured, and Open Source            
        toolkit implementing the Secure Sockets Layer (SSL v2/v3)           
        and Transport Layer Security (TLS v1) protocols as well as a        
        full-strength general purpose cryptography library. The             
        project is managed by a worldwide community of volunteers           
        that use the Internet to communicate, plan, and develop the         
        OpenSSL toolkit and its related documentation.                      
                                                                            
        OpenSSL is based on the excellent SSLeay library developed          
        by Eric A. Young and Tim J. Hudson. The OpenSSL toolkit is          
        licensed under an Apache-style license, which basically             
        means that you are free to get and use it for commercial and        
        non-commercial purposes subject to some simple license              
        conditions.                                                         
                                                                            
        From authors points of view, its the basic to build a secure        
        Unix-Server with Opensource Software, its needed for all            
        major products like mod_ssl, OpenSSH and lot of other stuff         
        that provides encrypted Data-processing                             
                                                   --www.openssl.org �      

OpenSSL provides the libraries and include-files needed be the products
mentioned above and also provides a Application to build Server and
client-Certificates.
-----------------------------------------------------------------------------

2.2.2. Download the source

Origin-Site [http://www.openssl.org] http://www.openssl.org
-----------------------------------------------------------------------------

2.2.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|tar -xvzf openssl-0.9.7.tar.gz                                             |
|                                                                           |
|cd openssl-0.9.7                                                           |
|                                                                           |
|./config shared                                                            |
|                                                                           |
|make                                                                       |
|make test                                                                  |
|make install                                                               |
|                                                                           |
|echo "/usr/local/ssl/lib" >> /etc/ld.so.conf                               |
|ldconfig                                                                   |
+---------------------------------------------------------------------------+

Tip Select your CPU to improve speed                                         
�   By default the Makefile generates code for the i486 CPU. You can change  
    this by editing the Makefile after running config shared. Search for     
    -m486 and replace it i.e with -march=athlon                              
-----------------------------------------------------------------------------

2.3. GNU Database System

2.3.1. What is gdbm

�       GNU dbm is a set of database routines that use extensible    �      
        hashing. It works similar to the standard UNIX dbm routines.        
                                         --www.gnu.org/software/gdbm �      

The GNU dbm is a very important application used by almost every
distribution. So it is installed by default on all distributions I tested.

In all probability the needed header files which are mandatory to build
Apache with mod_rewrite and PHP are not installed by default. Please consult
your distributions CD/DVD and install the devel package (The version can
vary):
+---------------------------------------------------------------------------+
|rpm -i gdbm-devel-1.8.0-546                                                |
+---------------------------------------------------------------------------+
 

This procedure is verified for SuSE and Redhat. Please confirm for other RPM
based systems like Mandrake. Debian will follow as soon as possible.

Users of Debian bases systems can install gdbm as follow:
+---------------------------------------------------------------------------+
|apt-get install libgdbmg1-dev                                              |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

2.3.2. Building and installing by yourself

In the unlikely case that your distribution does not contain gdbm here the
instructions how to build it.
+---------------------------------------------------------------------------+
|./configure                                                                |
|                                                                           |
|make                                                                       |
|make install                                                               |
|                                                                           |
|ldconfig                                                                   |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

2.4. MySQL

2.4.1. What is MySQL

MySQL is a very fast, powerful and very nice to handle Database.

Especially for webapplications where most access is read and few write, MySQL
is the first choice. The newest Version is also transaction-capable. If you
plan a Webapplication, that writes a lot of Data into the DB, maybe
PostgreSQL is better suited for your project see Section 6.2.4 for
installation hints

You need the C-API from MySQL for compiling PHP if you wish MySQL-Support in 
PHP. It is also needed if you want to use mod_authmysql, See Section 4.3 for
more information
-----------------------------------------------------------------------------

2.4.2. Download

Origin-Site: [http://www.mysql.com/downloads/] http://www.mysql.com/downloads
/
-----------------------------------------------------------------------------

2.4.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|tar -xvzf mysql-3.23.55.tar.gz                                             |
|cd mysql-3.23.55                                                           |
|                                                                           |
|./configure \                                                              |
|--prefix=/usr/local/mysql \                                                |
|--enable-assembler \                                                       |
|--with-innodb \                                                            |
|--without-debug                                                            |
|                                                                           |
|make                                                                       |
|make install                                                               |
|                                                                           |
|/usr/local/mysql/bin/mysql_install_db                                      |
|echo /usr/local/mysql/lib/mysql >> /etc/ld.so.conf                         |
|ldconfig                                                                   |
+---------------------------------------------------------------------------+

For security-improvement add a MySQL-user on your system e.g. �mysql�.
+---------------------------------------------------------------------------+
|chown -R mysql /usr/local/mysql/var                                        |
+---------------------------------------------------------------------------+

You may wish to start MySQL automatically at boottime, copy /usr/local/mysql/
share/mysql/mysql.server to /etc/init.d/ (or wherever your rc-script are
located) and create the corresponding symbolic link in the runlevel
directories.
+---------------------------------------------------------------------------+
|cp /usr/local/mysql/share/mysql/mysql.server /etc/init.d/                  |
|                                                                           |
|ln -s /etc/init.d/mysql.server /etc/init.d/rc3.d/S20mysql                  |
|ln -s /etc/init.d/mysql.server /etc/init.d/rc3.d/K20mysql                  |
+---------------------------------------------------------------------------+
 
-----------------------------------------------------------------------------

2.4.4. Securing MySQL

This part is only optional, and describes how to bind the MySQL daemon to the
localhost IP

I suggest to just bind MySQL to the loopback-interface 127.0.0.1. This makes
sure nobody can connect to your MySQL-Daemon via the network. But of course
it only makes sense if MySQL runs on the same box like the webserver.

edit /etc/init.d/mysql.server and edit line 107 as following:

Original line:
+---------------------------------------------------------------------------+
|$bindir/safe_mysqld --datadir=$datadir --pid-file=$pid_file&               |
+---------------------------------------------------------------------------+

Changed line:

+---------------------------------------------------------------------------+
|$bindir/safe_mysqld --datadir=$datadir --pid-file=$pid_file \              |
|--bind-address=127.0.0.1& (1)                                              |
+---------------------------------------------------------------------------+

(1) Here you can define to which interface MySQL should be bound

Alternatively you can completely disable the networking functionality of
MySQL.
+---------------------------------------------------------------------------+
|$bindir/safe_mysqld --datadir=$datadir --pid-file=$pid_file \              |
|--skip-networking &                                                        |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

2.5. Building mm

2.5.1. What is mm

�       The MM library is a 2-layer abstraction library which        �      
        simplifies the usage of shared memory between forked (and           
        this way strongly related) processes under Unix platforms.          
        On the first layer it hides all platform dependent                  
        implementation details (allocation and locking) when dealing        
        with shared memory segments and on the second layer it              
        provides a high-level malloc(3)-style API for a convenient          
        and well known way to work with data-structures inside those        
        shared memory segments.                                             
                                               --www.engelschall.com �      

It is a common library that enables Unix programmers to simplify shm (Shared
memory) accesses. It is used by many products, e.g. PHP and mod_ssl
-----------------------------------------------------------------------------

2.5.2. Download

Origin Site: [ftp://ftp.ossp.org/pkg/lib/mm/mm-1.2.2.tar.gz] ftp://
ftp.ossp.org/pkg/lib/mm/mm-1.2.2.tar.gz
-----------------------------------------------------------------------------

2.5.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf mm-1.2.2.tar.gz                                                  |
|                                                                           |
|cd mm-1.2.2                                                                |
|                                                                           |
|./configure                                                                |
|make                                                                       |
|make test                                                                  |
|make install                                                               |
|                                                                           |
|ldconfig                                                                   |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

3. Getting, build and install Apache with its basic modules

3.1. Get and untar the Apache Source

3.1.1. What is Apache

�       The Apache Project is a collaborative software development   �      
        effort aimed at creating a robust, commercial-grade,                
        featureful, and freely-available source code implementation         
        of an HTTP (Web) server. The project is jointly managed by a        
        group of volunteers located around the world, using the             
        Internet and the Web to communicate, plan, and develop the          
        server and its related documentation. These volunteers are          
        known as the Apache Group. In addition, hundreds of users           
        have contributed ideas, code, and documentation to the              
        project. This file is intended to briefly describe the              
        history of the Apache Group and recognize the many                  
        contributors.                                                       
                                                    --www.apache.org �      

It is simply the best Webserver-Software, it is very flexible to configure to
match your needs, and it is E-X-T-R-E-M-E stable. I personally never
experienced a crash in a productive (=non-experimental stuff) environment
-----------------------------------------------------------------------------

3.1.2. Download the source

Origin-Site [http://www.apache.org/dist/httpd/] http://www.apache.org/dist/
httpd/
+---------------------------------------------------------------------------+
|cd /usr/local/                                                             |
|                                                                           |
|tar -xvzf apache_1.3.27.tar.gz                                             |
+---------------------------------------------------------------------------+
 
-----------------------------------------------------------------------------

3.1.3. Patch for large-scale sites

If your webserver should answer very much requests at the same time, and your
machine is strong enough to serve such an amount of requests, you can change
the limit of maximum running processes

Download the patch from: [http://www.delouw.ch/linux/
apache-patch_HARD_SERVER_LIMIT.txt] http://www.delouw.ch/linux/
apache-patch_HARD_SERVER_LIMIT.txt
+---------------------------------------------------------------------------+
|--- httpd.h     Thu Mar 21 18:07:34 2002                                   |
|+++ httpd.h-new Sun Apr  7 13:34:11 2002                                   |
|@@ -320,7 +320,7 @@                                                        |
| #elif defined(NETWARE)                                                    |
| #define HARD_SERVER_LIMIT 2048                                            |
| #else                                                                     |
|-#define HARD_SERVER_LIMIT 256                                             |
|+#define HARD_SERVER_LIMIT 512                                             |
| #endif                                                                    |
| #endif                                                                    |
+---------------------------------------------------------------------------+

This patch does increase the maximum concurrent accessing clients to 512.
Feel free to increase it further, if you hacked your kernel and edited your /
etc/security/limits.conf

Caution Avoid running out of tasks                                           
�       With wrong settings this could end as a �                            
        self-denial-of-service-attack� Be sure you have enough processes left
        for root)                                                            

Apply the patch using:
+---------------------------------------------------------------------------+
|cd /usr/local/apache_1.3.27/src/include                                    |
|                                                                           |
|patch -p0 < apache-patch_HARD_SERVER_LIMIT.txt                             |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

3.2. mod_ssl

3.2.1. What is mod_ssl

�       This module provides strong cryptography for the Apache 1.3  �      
        webserver via the Secure Sockets Layer (SSL v2/v3) and              
        Transport Layer Security (TLS v1) protocols by the help of          
        the Open Source SSL/TLS toolkit OpenSSL, which is based on          
        SSLeay from Eric A. Young and Tim J. Hudson.                        
                                                    --www.modssl.org �      

This module is needed to enable Apache for SSL-Requests (https). It applies a
patch to the Apache source-code and extends its API (Application Programming
Interface). The result is called EAPI (Extended Application Programming
Interface).

Caution Use of compilerflags while compiling modules                         
�       Make sure any module for your Apache server is compiled with the     
        compiler-flag -DEAPI, or your Webserver might crash or can not be    
        started.                                                             
 

Almost all modules I know adds the -DEAPI flag by themself except mod_jserv
and mod_jk
-----------------------------------------------------------------------------

3.2.2. Download the source

Origin-Site:[http://www.modssl.org] http://www.modssl.org
-----------------------------------------------------------------------------

3.2.3. Applying the patch to the Apache source

+---------------------------------------------------------------------------+
|cd /usr/local/                                                             |
|                                                                           |
|tar -xvzf mod_ssl-2.8.12-1.3.27.tar.gz                                     |
|cd mod_ssl-2.8.12-1.3.27/                                                  |
|                                                                           |
|./configure --with-apache=../apache_1.3.27                                 |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

3.3. mod_perl

3.3.1. What is mod_perl

�       With mod_perl it is possible to write Apache modules         �      
        entirely in Perl. In addition, the persistent interpreter           
        embedded in the server avoids the overhead of starting an           
        external interpreter and the penalty of Perl start-up time.         
                                                   --perl.apache.org �      

mod_perl is a kind of substitute for cgi-bin's. cgi's typically forks a new
process for each request, and produces overhead. With mod_perl the
perl-interpreter is loaded persistent in the Apache server and does not need
to fork processes for each request.
-----------------------------------------------------------------------------

3.3.2. Download the source

Origin-Site: [http://www.apache.org/dist/perl] http://www.apache.org/dist/
perl
-----------------------------------------------------------------------------

3.3.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf mod_perl-1.27.tar.gz                                             |
|                                                                           |
|cd mod_perl-1.27                                                           |
|                                                                           |
|perl Makefile.PL \                                                         |
|EVERYTHING=1 \                                                             |
|APACHE_SRC=../apache_1.3.27/src \                                          |
|USE_APACI=1 \                                                              |
|PREP_HTTPD=1 \                                                             |
|DO_HTTPD=1                                                                 |
|                                                                           |
|make                                                                       |
|make install                                                               |
+---------------------------------------------------------------------------+

Caution Mod_perl can not be compiled as DSO                                  
�       Do not compile mod_perl as DSO (Dynamic Shared Object)! According to 
        various sources, Apache will crash (I never tried).                  
-----------------------------------------------------------------------------

3.4. Configure and build Apache

Now the two static modules mod_ssl and mod_perl are configured and the Apache
Source has been patched, and we can proceed with building Apache.
-----------------------------------------------------------------------------

3.4.1. Building and installing

+---------------------------------------------------------------------------+
|EAPI_MM="/usr/local/mm-1.2.2" SSL_BASE="/usr/local/ssl" \                  |
|./configure \                                                              |
|--enable-module=unique_id \                                                |
|--enable-module=rewrite \                                                  |
|--enable-module=speling \                                                  |
|--enable-module=expires \                                                  |
|--enable-module=info \                                                     |
|--enable-module=log_agent \                                                |
|--enable-module=log_referer \                                              |
|--enable-module=usertrack \                                                |
|--enable-module=proxy \                                                    |
|--enable-module=userdir \                                                  |
|--enable-module=so \                                                       |
|--enable-shared=ssl \                                                      |
|--enable-module=ssl \                                                      |
|--activate-module=src/modules/perl/libperl.a \                             |
|--enable-module=perl                                                       |
|                                                                           |
|make                                                                       |
|make install                                                               |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

3.4.2. Create self-signed SSL-certificate

+---------------------------------------------------------------------------+
|cd /usr/local/ssl/bin                                                      |
|                                                                           |
|./openssl req -new > new.cert.csr                                          |
|./openssl rsa -in privkey.pem -out new.cert.key                            |
|./openssl x509 -in new.cert.csr -out new.cert.cert \                       |
|-req -signkey new.cert.key -days 999                                       |
|                                                                           |
|cp new.cert.key /usr/local/apache/conf/ssl.key/server.key                  |
|cp new.cert.cert /usr/local/apache/conf/ssl.crt/server.crt                 |
+---------------------------------------------------------------------------+

Tip Common name                                                              
�   OpenSSL asks for different things. A common error is to enter a wrong    
    "common name". This should be the FQHN (Fully Qualified HostName) of your
    Server, i.e www.foo.org                                                  
-----------------------------------------------------------------------------

4. Additional modules

4.1. mod_dav

4.1.1. What is mod_dav

�       mod_dav is an Apache module to provide DAV capabilities (RFC �      
        2518) for your Apache web server. It is an Open Source              
        module, provided under an Apache-style license.                     
                                                    --www.webdav.org �      

From the authors point of view:

DAV means: �Distributed authoring and Versioning�. It allows you to manage
your Website similar to a filesystem. It is meant to replace ftp-uploads to
your webserver.

DAV is supported by all major web development tools (newer versions) and is
going to be a widely accepted standard for webpublishing.
-----------------------------------------------------------------------------

4.1.2. Download the source

Origin-Site: [http://www.webdav.org/mod_dav/] http://www.webdav.org/mod_dav/
-----------------------------------------------------------------------------

4.1.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf mod_dav-1.0.3-1.3.6.tar.gz                                       |
|cd mod_dav-1.0.3-1.3.6                                                     |
|                                                                           |
|./configure --with-apxs=/usr/local/apache/bin/apxs                         |
|                                                                           |
|make                                                                       |
|make install                                                               |
+---------------------------------------------------------------------------+

Tip Confusing filename                                                       
�   The filename mod_dav-1.0.3-1.3.6 suggests that it will only run with     
    Apache 1.3.6 but it actually will run with all Apaches >= 1.3.6          
-----------------------------------------------------------------------------

4.2. auth_ldap

4.2.1. What is auth_ldap

�       auth_ldap is an LDAP authentication module for Apache, the   �      
        world's most popular web server. auth_ldap has excellent            
        performance, and supports Apache on both Unix and Windows           
        NT. It also has support for LDAP over SSL, and a mode that          
        lets Frontpage clients manage their web permissions while           
        still using LDAP for authentication.                                
                                                   --www.rudedog.org �      

From the authors point of view:

If you like to consolidate your login-facilities to a common user/passwd
base, LDAP (Lightweight Directory Access Protocol) is the right way. LDAP is
an open standard and widely supported.

Login-facilities for LDAP:

Unix-Logins for Linux, Solaris (others?) FTP-Logins (some ftp-daemons) http
Basic Authentication Tarantella Authentication and Role-Management Samba
Authentication (2.2.x should support this) LDAP is role based. That means,
i.e. you can define a role �manager� assign a user as member and that user
can login wherever a manager is allowed to login.
-----------------------------------------------------------------------------

4.2.2. Download the source

Origin-Site: [http://www.rudedog.org/auth_ldap/] http://www.rudedog.org/
auth_ldap/
-----------------------------------------------------------------------------

4.2.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf auth_ldap-1.6.0.tar.gz                                           |
|                                                                           |
|cd auth_ldap-1.6.0                                                         |
|                                                                           |
|./configure --with-apxs=/usr/local/apache/bin/apxs \                       |
|--with-sdk=openldap                                                        |
|                                                                           |
|make                                                                       |
|make install                                                               |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

4.3. mod_auth_mysql

4.3.1. What is mod_auth_mysql

It is a http-Basic Authentication Module. It allows to maintain your user
comfortable in a MySQL-Database
-----------------------------------------------------------------------------

4.3.2. Download the source

Origin-Site: [ftp://ftp.kciLink.com/pub/mod_auth_mysql.c.gz] ftp://
ftp.kciLink.com/pub/mod_auth_mysql.c.gz
-----------------------------------------------------------------------------

4.3.3. Building and installing

+---------------------------------------------------------------------------+
|gunzip mod_auth_mysql.c.gz                                                 |
|                                                                           |
|/usr/local/apache/bin/apxs \                                               |
|-c -I/usr/local/mysql/include \                                            |
|-L/usr/local/mysql/lib/mysql \                                             |
|-lmysqlclient -lm mod_auth_mysql.c                                         |
|                                                                           |
|cp mod_auth_mysql.so /usr/local/apache/libexec/                            |
+---------------------------------------------------------------------------+

Add this line in your httpd.conf:
+---------------------------------------------------------------------------+
|LoadModule mysql_auth_module libexec/mod_auth_mysql.so                     |
+---------------------------------------------------------------------------+

And where the other modules are added:
+---------------------------------------------------------------------------+
|AddModule mod_auth_mysql.c                                                 |
+---------------------------------------------------------------------------+

Take care that the path of MySQL libraries and includes are correct.

Tip Library path                                                             
�   Be sure that /usr/local/mysql/lib/mysql is in /etc/ld.so.conf before     
    compiling                                                                
-----------------------------------------------------------------------------

4.3.4. Sample configuration

Example 1. /usr/local/apache/conf/httpd.conf
+---------------------------------------------------------------------------+
|<location /manual/>                                                        |
|  AuthType Basic                                                           |
|  AuthUserfile /dev/null                                                   |
|  AuthName Testing                                                         |
|  AuthGroupFile /dev/null                                                  |
|  AuthMySQLHost localhost                                                  |
|  AuthMySQLCryptedPasswords Off                                            |
|  AuthMySQLUser root                                                       |
|  AuthMySQLDB users                                                        |
|  AuthMySQLUserTable user_info                                             |
|  <Limit GET POST>                                                         |
|    require valid-user                                                     |
|  </limit>                                                                 |
|</location>                                                                |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

4.3.4.1. Script for creating the MySQL-Database

just type:
+---------------------------------------------------------------------------+
|mysql < authmysql.sql                                                      |
+---------------------------------------------------------------------------+

The File authmysql.sql contents:


Example 2. authmysql.sql
+---------------------------------------------------------------------------+
|  create database http_users;                                              |
|  connect http_users;                                                      |
|                                                                           |
|  CREATE TABLE user_info (                                                 |
|  user_name CHAR(30) NOT NULL,                                             |
|  user_passwd CHAR(20) NOT NULL,                                           |
|  user_group CHAR(10),                                                     |
|  PRIMARY KEY (user_name);                                                 |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

4.4. mod_dynvhost

4.4.1. What is mod_dynvhost

It is a module that allows to define new Virtual Host "on-the-fly". Just
create a new Directory in your vhost-path, thats it. It is not need to
restart your Webserver

It is a good solution for Mass-Virtual-hosting for ISP's
-----------------------------------------------------------------------------

4.4.2. Download the source

Origin-Site: [http://funkcity.com/0101/projects/dynvhost/mod_dynvhost.tar.gz]
http://funkcity.com/0101/projects/dynvhost/mod_dynvhost.tar.gz
-----------------------------------------------------------------------------

4.4.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf mod_dynvhost.tar.gz                                              |
|                                                                           |
|cd dynvhost/                                                               |
|                                                                           |
|/usr/local/apache/bin/apxs -i -a -c mod_dynvhost.c                         |
+---------------------------------------------------------------------------+

Tip Check httpd.conf                                                         
�   Notice: Take a look at httpd.conf if mod_dynvhost.so is loaded at        
    startup:                                                                 
    +-----------------------------------------------------------------------+
    |LoadModule dynvhost_module libexec/mod_dynvhost.so                     |
    +-----------------------------------------------------------------------+
-----------------------------------------------------------------------------

4.4.4. Sample configuration

Example 3. /usr/local/apache/conf/httpd.conf
+---------------------------------------------------------------------------+
|<DynamicVirtualHost /usr/local/apache/htdocs/vhosts/>                      |
|  HomeDir /                                                                |
|</DynamicVirtualHost>                                                      |
+---------------------------------------------------------------------------+

Now create a Directory for each virtualhost in /usr/local/apache/htdocs/
vhosts/

i.e.

/usr/local/apache/htdocs/vhosts/foo.bar.org

You don't need to restart your Webserver
-----------------------------------------------------------------------------

4.5. mod_roaming

4.5.1. What is mod_roaming

�       With mod_roaming you can use your Apache webserver as a      �      
        Netscape Roaming Access server. This allows you to store            
        your Netscape Communicator 4.5 preferences, bookmarks,              
        address books, cookies etc. on the server so that you can           
        use (and update) the same settings from any Netscape                
        Communicator 4.5 that can access the server.                        
                                        --www.klomp.org/mod_roaming/ �      

From the authors point of view:

Mod_roaming is indeed valuable. Unfortunately it does not work over
proxy-connection. You can keep your Netscape 4.x bookmarks etc. synchronized
on different machines. It is not supported by any other browsers, including 
Mozilla and Netscape 6.x.
-----------------------------------------------------------------------------

4.5.2. Download the source

Origin-Site: [http://www.klomp.org/mod_roaming/] http://www.klomp.org/
mod_roaming/
-----------------------------------------------------------------------------

4.5.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf mod_roaming-1.0.2.tar.gz                                         |
|                                                                           |
|cd mod_roaming-1.0.2                                                       |
|                                                                           |
|/usr/local/apache/bin/apxs -i -a -c mod_roaming.c                          |
+---------------------------------------------------------------------------+

Tip Check httpd.conf                                                         
�   Check httpd.conf if mod_roaming is loaded at startup:                    
    +-----------------------------------------------------------------------+
    |LoadModule roaming_module libexec/mod_roaming.so                       |
    +-----------------------------------------------------------------------+
-----------------------------------------------------------------------------

4.5.4. Sample configuration

Example 4. /usr/local/apache/conf/httpd.conf
+---------------------------------------------------------------------------+
|RoamingAlias /roaming /usr/local/apache/roaming                            |
|<Directory /usr/local/apache/roaming>                                      |
|  AuthUserFile /usr/local/apache/conf/roaming-htpasswd                     |
|  AuthType Basic                                                           |
|  AuthName "Roaming Access"                                                |
|  <Limit GET PUT MOVE DELETE>                                              |
|    require valid-user                                                     |
|  </Limit>                                                                 |
|</Directory>                                                               |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

5. Compressed delivery

There are basically two modules available for output compression: mod_gzip
and mod_gunzip. They are using different approaches to reach the the goal of
bandwidth reduction.

mod_gunzip expects compressed file on the filesystem, and uncompress them if
the browser cannot handle compressed data. The benefit is a low cpu-usage,
because most browsers are capable to handle gzipped content. On the oder
side, most of today's content is served dynamically i.e. PHP, and this
content will be delivered uncompressed.

mod_gzip does not need compressed files on the system, all defined content
will be compressed before delivery. The benefit is to have the dynamically
generated content also compressed, the other side is a higher cpu-usage,
because every request has to be compressed on-the-fly. Mod_gzip can handle
already compressed data i.e. index.html.gz and send it as-is.

The conclusion: You carefully have to make a decision which of the two
modules makes more sense for you. If you have to pay for every GB delivered
and CPU-power does not matter, then mod_gzip is the choice for you. If
response time matters (delay between request and delivery), and your
bandwidth is cheap or unlimited, mod_gunzip matches your needs better.

A good page that helps you to make this decision is Martin Kiff's document
about mod_gunzip [http://www.innerjoin.org/apache-compression/howto.html]
http://www.innerjoin.org/apache-compression/howto.html
-----------------------------------------------------------------------------

5.1. mod_gzip

5.1.1. Download the source

Origin-Site: [http://prdownloads.sourceforge.net/mod-gzip/
mod_gzip-1.3.26.1a.tgz?download] http://prdownloads.sourceforge.net/mod-gzip/
mod_gzip-1.3.26.1a.tgz?download
-----------------------------------------------------------------------------

5.1.2. Building and installing

To successfully compile mod_gzip you need to edit the Makefile and provide
the correct path to apxs
+---------------------------------------------------------------------------+
|make                                                                       |
|make install                                                               |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

5.1.3. Sample configuration

Put the following in your /usr/local/apache/conf/httpd.conf:


Example 5. /usr/local/apache/conf/httpd.conf
+---------------------------------------------------------------------------+
|mod_gzip_on                 Yes                                            |
|mod_gzip_can_negotiate      Yes                                            |
|mod_gzip_dechunk            Yes                                            |
|mod_gzip_minimum_file_size  600                                            |
|mod_gzip_maximum_file_size  0                                              |
|mod_gzip_maximum_inmem_size 100000                                         |
|mod_gzip_keep_workfiles     No                                             |
|mod_gzip_temp_dir           /usr/local/apache/gzip                         |
|mod_gzip_item_include       file \.html$                                   |
|mod_gzip_item_include       file \.txt$                                    |
|mod_gzip_item_include       file \.jsp$                                    |
|mod_gzip_item_include       file \.php$                                    |
|mod_gzip_item_include       file \.pl$                                     |
|mod_gzip_item_include       mime ^text/.*                                  |
|mod_gzip_item_include       mime ^application/x-httpd-php                  |
|mod_gzip_item_include       mime ^httpd/unix-directory$                    |
|mod_gzip_item_include       handler ^perl-script$                          |
|mod_gzip_item_include       handler ^server-status$                        |
|mod_gzip_item_include       handler ^server-info$                          |
|mod_gzip_item_exclude       file \.css$                                    |
|mod_gzip_item_exclude       file \.js$                                     |
|mod_gzip_item_exclude       mime ^image/.*                                 |
+---------------------------------------------------------------------------+

You may whish to log the result of the compression to your accesslog. This
can be done by changing the LogFormat directive in /usr/local/apache/conf/
httpd.conf
+------------------------------------------------------------------------------------------------------------------------------+
|LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" mod_gzip: %{mod_gzip_compression_ratio}npct." combined|
+------------------------------------------------------------------------------------------------------------------------------+
 
-----------------------------------------------------------------------------

5.2. mod_gunzip

5.2.1. Download the source

Origin-Site: [http://www.oldach.net/mod_gunzip.tar.gz] http://www.oldach.net/
mod_gunzip.tar.gz
-----------------------------------------------------------------------------

5.2.2. Building and installing

+---------------------------------------------------------------------------+
|tar -xvzf mod_gunzip.tar.gz                                                |
|cd mod_gunzip-2                                                            |
|                                                                           |
|/usr/local/apache/bin/apxs -i -a -c -lz mod_gunzip.c                       |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

5.2.3. Sample configuration

Put the following in your /usr/local/apache/conf/httpd.conf:


Example 6. /usr/local/apache/conf/httpd.conf
+---------------------------------------------------------------------------+
|AddType text/html .htmz                                                    |
|AddHandler send-gunzipped .htmz                                            |
+---------------------------------------------------------------------------+

Now you can gzip your html files and rename them to i.e:
+---------------------------------------------------------------------------+
|gzip index.html                                                            |
|mv index.html.gz index.htmz                                                |
+---------------------------------------------------------------------------+

Of course you have to change all links to htmz, i.e. <a href="page.htmz">Some
page</a>
-----------------------------------------------------------------------------

6. mod_php and its prerequisites

6.1. What is mod_php

�       PHP is a server-side, cross-platform, HTML embedded          �      
        scripting language.                                                 
                                                                            
        In the beginning it was just a simple guestbook-processor,          
        and it was growing and growing Since Version 3 it is really         
        powerful Webdevelopment-language                                    
                                                       --www.php.net �      

Since Version 4 PHP capable and robust enough for enterprise webapplications.
It is powerful, supports almost all important databases natively, and other
through ODBC (Open DataBase Connectivity). It a few times faster than ASP on 
Windows Systems on the same Hardware.

There are other extensions available like APC (Alternative PHP Cache), which
speed up processing about 50-400% (depends on the php-code you wrote)
-----------------------------------------------------------------------------

6.2. Prerequisites

Depending on your needs there are some software to install first. One already
installed Software according this document is MySQL, because its needed by
mod_auth_mysql.
-----------------------------------------------------------------------------

6.2.1. IMAP client

6.2.1.1. What is IMAP client

IMAP means �Internet Mail Application Protocol� and is a substitute for the 
POP (Post Office Protocol) protocol. It allows to keep all Mails in different
folders on the server, which (should) be backed up - Never again lose
important email, because your local harddrive crashed
-----------------------------------------------------------------------------

6.2.2. Download the source

Origin-Site:

Origin-Site: [http://www.washington.edu/imap/] http://www.washington.edu/imap
/
-----------------------------------------------------------------------------

6.2.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvfz imap.tar.Z                                                       |
|                                                                           |
|cd imap                                                                    |
|                                                                           |
|make slx SSLTYPE=nopwd (1)                                                 |
+---------------------------------------------------------------------------+

(1) With the parameter SSLTYPE=unix you define if you need SSL support or
    not. Omitting means no SSL support.

Tip Filename to download                                                     
�   imap.tar.Z is usually a symlink to the latest release, today its linked  
    to imap-2001a.tar.Z                                                      
-----------------------------------------------------------------------------

6.2.4. PostgreSQL

6.2.4.1. What is PostgreSQL

PostgreSQL is a very powerful and fast Database

Like MySQL wonderful for Webapplications. From my Point of view, not as
comfortable to handle as MySQL. If your Webapplication performs mostly
writes, or you need proofed transaction-capabilities, PostgreSQL is your
friend
-----------------------------------------------------------------------------

6.2.4.2. Download the source

Origin-Site: [http://www.postgresql.org] http://www.postgresql.org (Select a
mirror close to you)
-----------------------------------------------------------------------------

6.2.4.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf postgresql-7.3.2.tar.gz                                          |
|                                                                           |
|cd postgresql-7.3.2                                                        |
|                                                                           |
|./configure \                                                              |
|--with-perl \                                                              |
|--enable-odbc \                                                            |
|--with-unixodbc  \                                                         |
|--with-pam \                                                               |
|--with-openssl \                                                           |
|                                                                           |
|                                                                           |
|make                                                                       |
|make install                                                               |
|                                                                           |
|echo /usr/local/pgsql/lib >> /etc/ld.so.conf                               |
|                                                                           |
|ldconfig                                                                   |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

6.2.5. Sablotron

6.2.5.1. What is Sablotron

�       Sablotron is a fast, compact and portable XML toolkit        �      
        implementing XSLT 1.0, DOM Level2 and XPath 1.0. Sablotron          
        is an open project; other users and developers are                  
        encouraged to use it or to help us testing or improving it.         
        The goal of this project is to create a lightweight,                
        reliable and fast XML library processor conforming to the           
        W3C specification, which is available for public and can be         
        used as a base for multi-platform XML applications.                 
                 --http://www.gingerall.com/charlie/ga/xml/p_sab.xml �      
-----------------------------------------------------------------------------

6.2.5.2. Download the source

Origin-Site: [http://download-2.gingerall.cz/download/sablot/
Sablot-0.97.tar.gz] http://download-2.gingerall.cz/download/sablot/
Sablot-0.97.tar.gz
-----------------------------------------------------------------------------

6.2.5.3. Building and installing

+---------------------------------------------------------------------------+
|tar -xvzf Sablot-0.97.tar.gz                                               |
|cd Sablot-0.97                                                             |
|                                                                           |
|./configure                                                                |
|make                                                                       |
|make install                                                               |
|                                                                           |
|ldconfig                                                                   |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

6.2.6. pdflib

6.2.6.1. What is pdflib

�       PDFlib: A library for generating PDF on the fly PDFlib is    �      
        the premier software component if you want to generate PDF          
        on your server, convert text and graphics, or implement PDF         
        output in your own products.                                        
                                                    --www.pdflib.com �      

From the authors point of view:

Caution This is a commercial product                                         
�       PDFLIB is a commercial Product. Read the license carefully to see if 
        you need a commercial license or not                                 
-----------------------------------------------------------------------------

6.2.6.2. Download the source

Origin-Site: [http://www.pdflib.com/pdflib/download/pdflib-4.0.3.tar.gz]
http://www.pdflib.com/pdflib/download/pdflib-4.0.3.tar.gz
-----------------------------------------------------------------------------

6.2.6.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local/                                                             |
|tar -xvzf pdflib-4.0.3.tar.gz                                              |
|                                                                           |
|cd pdflib-4.0.3                                                            |
|                                                                           |
|./configure --enable-shared-pdflib --enable-cxx                            |
|                                                                           |
|make                                                                       |
|make install                                                               |
|                                                                           |
|ldconfig                                                                   |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

6.2.7. gettext

6.2.7.1. What is gettext

gettext is a library for i18n (Internationalization, "I", 18 chars and "n")
of software, and needed by php
-----------------------------------------------------------------------------

6.2.7.2. Download the source

Origin-Site: [ftp://ftp.gnu.org/gnu/gettext] ftp://ftp.gnu.org/gnu/gettext
(select a mirror close to you)
-----------------------------------------------------------------------------

6.2.7.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf gettext-0.11.2.tar.gz                                            |
|                                                                           |
|cd gettext-0.11.2                                                          |
|                                                                           |
|./configure                                                                |
|                                                                           |
|make                                                                       |
|make check                                                                 |
|make install                                                               |
|                                                                           |
|ldconfig                                                                   |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

6.2.8. zlib

6.2.8.1. What is zlib

zlib is a lossless data-compression library for use on virtually any computer
hardware and operating system
-----------------------------------------------------------------------------

6.2.8.2. Download the source

Origin-Site: [ftp://ftp.info-zip.org/pub/infozip/zlib/zlib-1.1.4.tar.gz] ftp:
//ftp.info-zip.org/pub/infozip/zlib/zlib-1.1.4.tar.gz (select a mirror close
to you)
-----------------------------------------------------------------------------

6.2.8.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf zlib-1.1.4.tar.gz                                                |
|                                                                           |
|cd zlib-1.1.4/                                                             |
|                                                                           |
|./configure                                                                |
|                                                                           |
|make                                                                       |
|make test                                                                  |
|make install                                                               |
|                                                                           |
|ldconfig                                                                   |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

6.3. Building and installing PHP4

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf php-4.3.0.tar.gz                                                 |
|                                                                           |
|cd php-4.3.0                                                               |
|                                                                           |
|export LDFLAGS=-lstdc++                                                    |
|                                                                           |
|./configure \                                                              |
|--with-apxs=/usr/local/apache/bin/apxs \                                   |
|--with-mysql=/usr/local/mysql \                                            |
|--with-pgsql=/usr/local/pgsql \                                            |
|--enable-track-vars \                                                      |
|--with-openssl=/usr/local/ssl \                                            |
|--with-imap=/usr/local/imap \                                              |
|--with-gd --with-ldap \                                                    |
|--enable-ftp \                                                             |
|--enable-sysvsem \                                                         |
|--enable-sysvshm \                                                         |
|--enable-sockets \                                                         |
|--with-pdflib=/usr/local \                                                 |
|--with-gettext \                                                           |
|--with-mm=/usr/local/mm-1.1.3 \                                            |
|--with-jpeg-dir=/usr/lib \                                                 |
|--with-zlib-dir=/usr/local \                                               |
|--enable-wddx \                                                            |
|--with-mcrypt \                                                            |
|--with-mhash \                                                             |
|--with-mcal=/usr \                                                         |
|--enable-exif \                                                            |
|--enable-xslt \                                                            |
|--with-xslt-sablot=/usr/local \                                            |
|--with-dom \                                                               |
|--with-dom-xslt \                                                          |
+---------------------------------------------------------------------------+

Edit the Makefile and add -lstdc++ to the variable EXTRA_LIBS. This is
currently only needed, when using Sablotron version 0.9.7
+---------------------------------------------------------------------------+
|make                                                                       |
|make install                                                               |
+---------------------------------------------------------------------------+

After installing your httpd.conf is modified by axps. It should now look as
follows:
+---------------------------------------------------------------------------+
|<IfDefine SSL>                                                             |
|LoadModule ssl_module         libexec/libssl.so                            |
|LoadModule php4_module        libexec/libphp4.so                           |
|</IfDefine>                                                                |
+---------------------------------------------------------------------------+

If you compiled Apache with mod_ssl then the php-module will only be loaded
when staring Apache with ssl (apachectl startssl). If you will start Apache
without ssl support (but compiled like described in this document) you need
to change this:
+---------------------------------------------------------------------------+
|<IfDefine SSL>                                                             |
|LoadModule ssl_module         libexec/libssl.so                            |
|</IfDefine>                                                                |
|LoadModule php4_module        libexec/libphp4.so                           |
+---------------------------------------------------------------------------+

Copy the sample php.ini-dist to /usr/local/lib/php.ini
+---------------------------------------------------------------------------+
|cp /usr/local/php-4.3.0/php.ini-dist /usr/local/lib/php.ini                |
+---------------------------------------------------------------------------+

uncomment (remove the # at begin of line) the following lines in /usr/local/
apache/conf/httpd.conf

Apache 1.3.27 default httpd.conf does lack of this entries. You have to add
them instead of uncommenting
+---------------------------------------------------------------------------+
|AddType application/x-httpd-php .php                                       |
|AddType application/x-httpd-php .phtml                                     |
|AddType application/x-httpd-php .php3                                      |
|                                                                           |
|# If you want to display PHP source                                        |
|                                                                           |
|AddType application/x-httpd-php-source .phps (1)                           |
+---------------------------------------------------------------------------+

(1) This line is only needed if you like to display sourcecodes in the
    browser. The fileextension of such files should be phps. /para>

Tip register_globals                                                         
�   Since PHP Version 4.2.1, �register_globals� are set OFF. This can bring  
    you in problems running PHP-Code not using the $HTTP_GET_VARS methods. To
    enable register_globals edit the following line in your /usr/local/lib/  
    php.ini:                                                                 
    +-----------------------------------------------------------------------+
    |register_globals = On                                                  |
    +-----------------------------------------------------------------------+
                                                                             
    Please be sure, if you write new software, to use the new methods.       
    Support of old methods will be dropped sooner or later                   

Restart Apache by issuing the following command:
+---------------------------------------------------------------------------+
|/usr/local/apache/bin/apachectl restart                                    |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

7. PHP extensions

There are many different extensions available for php, which can be added in
your php.ini
-----------------------------------------------------------------------------

7.1. APC (Alternative PHP-cache)

7.1.1. What is APC

�       APC is the Alternative PHP Cache. It was conceived of to     �      
        provide a free, open, and robust framework for compiling and        
        caching php scripts. APC was conceived of to provide a way          
        of boosting the performance of PHP on heavily loaded sites          
        by providing a way for scripts to be cached in a compiled           
        state, so that the overhead of parsing and compiling can be         
        almost completely eliminated. There are commercial products         
        which provide this functionality, but they are neither              
        open-source nor free. Our goal was to level the playing             
        field by providing an implementation that allows greater            
        flexibility and is universally accessible. We also wanted           
        the cache to provide visibility into it's own workings and          
        those of PHP, so time was invested in providing internal            
        diagnostic tools which allow for cache diagnostics and              
        maintenance. Thus arrived APC. Since we were committed to           
        developing a product which can easily grow with new version         
        of PHP, we implemented it as a zend extension, allowing it          
        to either be compiled into PHP or added post facto as a drop        
        in module. As with PHP, it is available completely free for         
        commercial and non-commercial use, under the same terms as          
        PHP itself. APC has been tested under PHP 4.0.3, 4.0.3pl1           
        and 4.0.4. It currently compiles under Linux and FreeBSD.           
        Patches for ports to other OSs/ PHP versions are welcome.           
                                     --www.apc.communityconnect.com/ �      

The author made some performance-Tests with apc and it was real surprise. A
PHP-Webpage with MySQL-queries in a loop (total 10 queries) was more than 50%
faster

Contra APC: If you have other users on the system coding php they maybe are
not comfortable with APC, because the changes are all ignored unless you
reset the cache or restart Apache. The other way, namely that APC checks the
php-script for a newer version before every run costs speed.
-----------------------------------------------------------------------------

7.1.2. Download the source

Origin-Site: [http://apc.communityconnect.com/sources/apc-cvs.tar.gz] http://
apc.communityconnect.com/sources/apc-cvs.tar.gz
-----------------------------------------------------------------------------

7.1.3. Building and installing

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf apc-cvs.tar.gz                                                   |
|                                                                           |
|cd apc                                                                     |
|                                                                           |
|./configure --enable-apc --with-php-config=/usr/local/bin/php-config       |
|                                                                           |
|make                                                                       |
|make install                                                               |
|                                                                           |
|cp modules/php_apc.so /usr/local/lib/php/extensions                        |
|                                                                           |
|echo 'zend_extension="/usr/local/lib/php/extensions/php_apc.so"' \         |
|>> /usr/local/lib/php.ini                                                  |
|echo ??apc.mode = shm?? >> \                                               |
|apc.mode = shm                                                             |
+---------------------------------------------------------------------------+

Restart your Apache-Webserver. Try it out, create a php-file with the
following content:


Example 7. apctest.php
+---------------------------------------------------------------------------+
|<?php                                                                      |
|apcinfo();                                                                 |
|?>                                                                         |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

7.2. Zend-Optimizer (Do _NOT_ combine with APC-Cache!)

7.2.1. What is Zend-optimizer

�       The Zend Optimizer goes over the intermediate code generated �      
        by the standard Zend run-time compiler located in the Zend          
        Engine, and then optimizes it for faster execution.                 
                                                      --www.zend.com �      

Zend-Optimizer is a freeware closed source product. On the same testcode used
for the APC-test, there was speed-decrease of about 5% compared to PHP
without APC.

You have to make your own test, to see, if you have some improvements with
your own code. Be sure not to NOT use Zend Optimizer together with APC, or
your whole setup will not work.
-----------------------------------------------------------------------------

7.2.2. Download the binary

Origin-Site: [https://www.zend.com/store/free_download.php?pid=13] https://
www.zend.com/store/free_download.php?pid=13

Tip Register at zend.com                                                     
�   You have to register yourself at zend.com to get access to the           
    download-page                                                            
-----------------------------------------------------------------------------

7.2.3. Installing

There is noting to build, this product is closed-source and so only available
as binary for different platforms. The filename varies according your
platform, the sample is for Linux on IA32.
+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf ZendOptimizer-2.1.0-Linux_glibc21-i386.tar.gz                    |
|                                                                           |
|cd ZendOptimizer-2.1.0-Linux_glibc21-i386                                  |
|                                                                           |
|./install.sh                                                               |
+---------------------------------------------------------------------------+

The install script is self-explanatory, if you compiled Apache and PHP like
described in this document, you can just press ENTER on all questions about
the pathnames.
-----------------------------------------------------------------------------

8. Jakarta Tomcat

8.1. What is Tomcat

�       Tomcat is the servlet container that is used in the official �      
        Reference Implementation for the Java Servlet and JavaServer        
        Pages technologies. The Java Servlet and JavaServer Pages           
        specifications are developed by Sun under the Java Community        
        Process.                                                            
                                                                            
        From the authors point of view:                                     
                                                --jakarta.apache.org �      

Tomcat is the successor of jserv which is no longer developed. Tomcat
supports the latest jsp and servlet-APIs defined by sun. Unfortunately Tomcat
is very difficult to build from source, because it is using its own
building-system called "ant". There is also a very long list of prerequisites
if you want to build from source. See [http://jakarta.apache.org/tomcat/
tomcat-4.0-doc/BUILDING.txt] http://jakarta.apache.org/tomcat/tomcat-4.0-doc/
BUILDING.txt for more details - Good luck, and give some feedback to the
author.

In the meantime the HOWTO is providing some basic support for Tomcat
installed from binaries.

The Author is searching for some volunteers who tries to build Tomcat from
source and tells what steps are required
-----------------------------------------------------------------------------

8.2. Prerequisites

8.2.1. Java2

8.2.1.1. What is Java2

Please see java.sun.com

Too much for this HOWTO, please see [http://java.sun.com/j2se/1.3/docs/
relnotes/features.html] http://java.sun.com/j2se/1.3/docs/relnotes/
features.html
-----------------------------------------------------------------------------

8.2.2. Download the binaries

Go to [http://java.sun.com/j2se/1.3/] http://java.sun.com/j2se/1.3/ [3]
,choose your platform and follow the steps on the site.
-----------------------------------------------------------------------------

8.2.3. Installing the binaries

Execute the binary:
+---------------------------------------------------------------------------+
|chmod +x j2sdk-1_3_1_02-linux-i386.bin                                     |
|                                                                           |
|./2sdk-1_3_1_02-linux-i386.bin                                             |
+---------------------------------------------------------------------------+
 

After accepting the license, unpack the stuff and move the resulting
directory to /usr/lib and set an appropriate symbolic link
-----------------------------------------------------------------------------

8.3. Download the binaries

Origin-Site: [http://jakarta.apache.org/builds/jakarta-tomcat-4.0/release/
v4.1.18/src/jakarta-tomcat-4.1.18-src.tar.gz] http://jakarta.apache.org/
builds/jakarta-tomcat-4.0/release/v4.1.18/src/
jakarta-tomcat-4.1.18-src.tar.gz
-----------------------------------------------------------------------------

8.3.1. Installing the binaries

+---------------------------------------------------------------------------+
|cd /usr/local                                                              |
|                                                                           |
|tar -xvzf jakarta-tomcat-4.1.8.tar.gz                                      |
|                                                                           |
|cd jakarta-tomcat-4.1.8                                                    |
|                                                                           |
|cd bin                                                                     |
|                                                                           |
|rm *.bat                                                                   |
|                                                                           |
|echo export JAVA_HOME=/usr/lib/java/ >> /etc/profile                       |
|. /etc/profile                                                             |
+---------------------------------------------------------------------------+

To enable the Tomcat manager, you need to modify /usr/local/
jakarta-tomcat-4.1.8/conf/tomcat-users.xml add a user �admin� or with the
role �manager�. The result should look like this:
+---------------------------------------------------------------------------+
|<?xml version='1.0' encoding='utf-8'?>                                     |
|<tomcat-users>                                                             |
|  <role rolename="manager"/>                                               |
|  <role rolename="tomcat"/>                                                |
|  <role rolename="role1"/>                                                 |
|  <user username="admin" password="secret" roles="manager"/>               |
|  <user username="tomcat" password="tomcat" roles="tomcat"/>               |
|  <user username="role1" password="tomcat" roles="role1"/>                 |
|  <user username="both" password="tomcat" roles="tomcat,role1"/>           |
|</tomcat-users>                                                            |
+---------------------------------------------------------------------------+

Now you should be able to startup tomcat:
+---------------------------------------------------------------------------+
|/usr/local/apache/jakarta-tomcat-4.1.8/bin/startup.sh                      |
+---------------------------------------------------------------------------+
 

You should now be able to connect to: [http://localhost:8080/index.jsp] http:
//localhost:8080/index.jsp
-----------------------------------------------------------------------------

8.4. mod_jk

8.4.1. Download the source

If you like to have a native interface into your Apache Webserver, you need
to build mod_jk with must be downloaded separately here: [http://
jakarta.apache.org/builds/jakarta-tomcat-4.0/release/v4.1.18/src/
jakarta-tomcat-connectors-4.1.18-src.tar.gz] http://jakarta.apache.org/builds
/jakarta-tomcat-4.0/release/v4.1.18/src/
jakarta-tomcat-connectors-4.1.18-src.tar.gz.
-----------------------------------------------------------------------------

8.4.2. Building and installing

+---------------------------------------------------------------------------+
|tar -xvzf jakarta-tomcat-connectors-4.1.18-src.tar.gz                      |
|                                                                           |
|cd jakarta-tomcat-connectors-4.1.18-src/jk/native                          |
|                                                                           |
|./buildconf                                                                |
|./configure --with-apxs=/usr/local/apache/bin/apxs                         |
|                                                                           |
|make                                                                       |
|make install                                                               |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

8.4.3. Customizing

Now follows the annoying part, the customizing of the config files. First
edit /usr/local/jakarta-tomcat-connectors-4.1.18-src/jk/conf/
workers.properties, and copy the file to /usr/local/apache/conf

I made a sample workers.properties that works with the example JSPs and
servlets that comes with the Tomcat distribution. It is based on the sample
workers.properties from Tomcat


Example 8. workers.properties
+-------------------------------------------------------------------------------------------------+
|workers.tomcat_home=/usr/local/jakarta-tomcat-4.1.18                                             |
|                                                                                                 |
|# workers.java_home should point to your Java installation. Normally                             |
|# you should have a bin and lib directories beneath it.                                          |
|#                                                                                                |
|workers.java_home=/usr/lib/java2                                                                 |
|                                                                                                 |
|# You should configure your environment slash... ps=\ on NT and / on UNIX                        |
|# and maybe something different elsewhere.                                                       |
|#                                                                                                |
|ps=/                                                                                             |
|                                                                                                 |
|# The workers that your plugins should create and work with                                      |
|#                                                                                                |
|worker.list=worker1                                                                              |
|                                                                                                 |
|#------ DEFAULT ajp13 WORKER DEFINITION ------------------------------                           |
|#---------------------------------------------------------------------                           |
|# Defining a worker named ajp13 and of type ajp13                                                |
|# Note that the name and the type do not have to match.                                          |
|#                                                                                                |
|worker.worker1.port=8009                                                                         |
|worker.worker1.host=localhost                                                                    |
|worker.worker1.type=ajp13                                                                        |
|                                                                                                 |
|#------ CLASSPATH DEFINITION -----------------------------------------                           |
|#---------------------------------------------------------------------                           |
|# Additional class path components.                                                              |
|#                                                                                                |
|worker.inprocess.class_path=$(workers.tomcat_home)$(ps)lib$(ps)tomcat.jar                        |
|                                                                                                 |
|# The JVM that we are about to use                                                               |
|#                                                                                                |
|# Unix - Sun VM or blackdown                                                                     |
|worker.inprocess.jvm_lib=$(workers.java_home)$(ps)jre$(ps)lib$(ps)i386$(ps)classic$(ps)libjvm.so |
|                                                                                                 |
|# Setting the place for the stdout and stderr of tomcat                                          |
|#                                                                                                |
|worker.inprocess.stdout=$(workers.tomcat_home)$(ps)logs$(ps)inprocess.stdout                     |
|worker.inprocess.stderr=$(workers.tomcat_home)$(ps)logs$(ps)inprocess.stderr                     |
+-------------------------------------------------------------------------------------------------+

Next, you need to configure your apache config file httpd.conf. The following
example matches the examples provided by Tomcat.
+---------------------------------------------------------------------------+
|LoadModule jk_module libexec/mod_jk.so                                     |
|AddModule mod_jk.c                                                         |
|                                                                           |
|JkWorkersFile /usr/local/apache/conf/workers.properties                    |
|JkLogFile /var/log/httpd/mod_jk.log                                        |
|JkLogLevel info                                                            |
|JkLogStampFormat "[%a %b %d %H:%M:%S %Y] "                                 |
|JkOptions +ForwardKeySize +ForwardURICompat -ForwardDirectories            |
|JkRequestLogFormat "%w %V %T"                                              |
|JkMount /examples/servlet/* worker1                                        |
|JkMount /examples/*.jsp worker1                                            |
+---------------------------------------------------------------------------+

After restarting Apache, you should now be able to connect to your JSP's via
Apache. I.e: [http://localhost/examples/jsp/num/numguess.jsp] http://
localhost/examples/jsp/num/numguess.jsp

For the further steps like installing your servlets and jsp-files, you are
responsible by yourself...

Tip Environment Variables                                                    
�   If Tomcat fails to start and/or your servlets could not be started the   
    most common error made is having not all needed classes in the CLASSPATH 
    variable.                                                                
-----------------------------------------------------------------------------

9. Further Information

Here are some other resources available on the internet
-----------------------------------------------------------------------------

9.1. News groups

Some of the most interesting news groups are:

��*�[news:alt.apache.configuration] alt.apache.configuration
   
��*�[news:comp.infosystems.www.servers.unix]
    comp.infosystems.www.servers.unix
   
��*�[news:alt.comp.lang.php] alt.comp.lang.php
   
��*�[news:alt.php] alt.php
   
��*�[news:comp.databases] comp.databases
   

Also check out your country newsgroups e.g ch.comp.os.linux

Most newsgroups have their own FAQ that are designed to answer most of your
questions, as the name Frequently Asked Questions indicate. Fresh versions
should be posted regularly to the relevant newsgroups. If you cannot find it
in your news spool you could go directly to the [ftp://rtfm.mit.edu/] FAQ
main archive FTP site. The WWW versions can be browsed at the FAQ main
archive WWW site.
-----------------------------------------------------------------------------

9.2. Mailing Lists

-----------------------------------------------------------------------------
9.2.1. <users@httpd.apache.org>

Send an empty email to <users-subscribe@httpd.apache.org>

Before writing to the list, check out the archive: [http://
marc.theaimsgroup.com/?l=apache-httpd-users] http://marc.theaimsgroup.com/?l=
apache-httpd-users
-----------------------------------------------------------------------------

9.2.2. <modperl@apache.org>

Send an mail to <modperl@apache.org> with the content (not subject):
+---------------------------------------------------------------------------+
|   subscribe modperl                                                       |
+---------------------------------------------------------------------------+

Before writing to the list, check out the archive: [http://
outside.organic.com/mail-archives/modperl/] http://outside.organic.com/
mail-archives/modperl/
-----------------------------------------------------------------------------

9.2.3. <openssl-users@openssl.org>

Send an mail to <majordomo@openssl.org> with the content (not subject):
+---------------------------------------------------------------------------+
|   subscribe openssl-users                                                 |
+---------------------------------------------------------------------------+

Before writing to the list, check out the archive: [http://
www.mail-archive.com/openssl-users@openssl.org/] http://www.mail-archive.com/
openssl-users@openssl.org/
-----------------------------------------------------------------------------

9.2.4. <modssl-users@modssl.org>

Send an mail to <majordomo@modssl.org> with the content (not subject):
+---------------------------------------------------------------------------+
|   subscribe modssl-users                                                  |
+---------------------------------------------------------------------------+

Before writing to the list, check out the archive: [http://
www.mail-archive.com/modssl-users@modssl.org/] http://www.mail-archive.com/
modssl-users@modssl.org/
-----------------------------------------------------------------------------

9.2.5. <mysql@lists.mysql.com>

Send an empty mail to <mysql-subscribe@lists.mysql.com>

Before writing to the list, check out the archive: [http://lists.mysql.com/
cgi-ez/ezmlm-cgi/] http://lists.mysql.com/cgi-ez/ezmlm-cgi/
-----------------------------------------------------------------------------

9.2.6. <pgsql-general@postgres.org>

Fill out the subscription form at [http://developer.postgresql.org/
mailsub.php] http://developer.postgresql.org/mailsub.php

Before writing to the list, check out the archive: [http://
archives.postgresql.org/pgsql-general/] http://archives.postgresql.org/
pgsql-general/
-----------------------------------------------------------------------------

9.2.7. <pgsql-general@postgres.org>

Fill out the subscription form at [http://www.php.net/mailing-lists.php]
http://www.php.net/mailing-lists.php

There are several php related mailinglist to subscribe, some of them are also
available on php.net's newsserver

Before writing to the list, check out the archive that are linked also on the
subscription-page

-----------------------------------------------------------------------------
9.2.8. <apc-cache@lists.communityconnect.com>

Send an mail to <apc-cache-request@lists.communityconnect.com> with the
content (not subject):
+---------------------------------------------------------------------------+
|   subscribe                                                               |
+---------------------------------------------------------------------------+
-----------------------------------------------------------------------------

9.3. HOWTO

These are intended as the primary starting points to get the background
information. They also show you how to solve a specific problem. Some
relevant HOWTOs are

[http://www.linuxdoc.org/HOWTO/Apache-Overview-HOWTO.html]
Apache-Overview-HOWTO , [http://www.linuxdoc.org/HOWTO/
Apache-WebDAV-LDAP-HOWTO/index.html] Apache-WebDAV-LDAP-HOWTO , [http://
www.linuxdoc.org/HOWTO/LDAP-HOWTO.html] LDAP-HOWTO , [http://www.linuxdoc.org
/HOWTO/LDAP-Implementation-HOWTO/index.html] LDAP-Implementation-HOWTO and
the [http://www.linuxdoc.org/HOWTO/PHP-HOWTO.html] PHP-HOWTO

The main site for these is the [http://www.linuxdoc.org/] LDP archive
-----------------------------------------------------------------------------

9.4. Local Resources

Usually distributions install some documentation on your system. Usually they
are located in /usr/share/doc/packages or /usr/local/share/doc

The software products mentioned here provide a lot of documentation in their
source-directories. Apache does install its documentation in the default
DocumentRoot /usr/local/apache/htdocs/manual

  
-----------------------------------------------------------------------------

9.5. Web Sites

There are a large number of informative web sites available. By their very
nature they change quickly, so do not be surprised if these links become
outdated very fast.

A good starting point is of course the Linux Documentation Project home page,
a central information repository for documentation, project pages and much
more.

To get more information about the Software mentioned in this document, then
the following sites are good starting points.

��*�[http://httpd.apache.org] http://httpd.apache.org
   
   

��*�[http://www.openssl.org] http://www.openssl.org
   
   

��*�[http://www.modssl.org] http://www.modssl.org
   
   

��*�[http://perl.apache.org/] http://perl.apache.org/
   
   

��*�[http://www.webdav.org] http://www.webdav.org
   
   

��*�[http://www.mysql.com] http://www.mysql.com
   
   

��*�[http://www.postgresql.org] http://www.postgresql.org
   
   

��*�[http://www.pdflib.com] http://www.pdflib.com
   
   

��*�[http://www.php.net] http://www.php.net
   
   

��*�[http://www.phpbuilder.com] http://www.phpbuilder.com
   
   

Please let me know if you have any other leads that can be of interest.
-----------------------------------------------------------------------------

10. Questions and Answers

1. FAQ
    10.1.1. Is there such a HOWTO for Apache 2.0?
    10.1.2. Why you don't add a description howto compile and setup mod_xyz?
    10.1.3. If my clients are connecting to https://myserver.org an
        errormessage similar to this appears "Certificate not valid"
    10.1.4. When I request a php file, the browser want to download it. Whats
        wrong?
    10.1.5. Does this HOWTO also work on other platforms?
   
   

1. FAQ

10.1.1. Is there such a HOWTO for Apache 2.0?

Not yet. The reason is that PHP 4.2.1 supports the Apache 2.0 API only
experimentally and the speed of PHP is very poor with Apache 2.0. As the new
Apache brings lots of new features and massive speed improvements, I will
write such a HOWTO as soon as the PHP support is stable and more performant.
I'm collecting now Ideas and wishes from users what they like to see in a
Apache 2.0 HOWTO. Feel free to write an email to <luc at delouw dot ch>

10.1.2. Why you don't add a description howto compile and setup mod_xyz?

Because nobody requested it yet and I either did not know about a mod_xyz, or
I did not found it useful. Feel free to write me some suggestions what to add
to the HOWTO. If there is more than one request, and it makes sense, it will
maybe added in further releases.

10.1.3. If my clients are connecting to https://myserver.org an errormessage
similar to this appears "Certificate not valid"

A: The certificate produced like described in this HOWTO is just a
self-signed certificate. This means the CA (Certification Authority) is you.
Your CA is not recognized as a valid CA by your users browser. You can either
install the certificate on your users machines (Makes sense in small Intranet
environments) or buy a certificate from a CA that is recognized by all major
browsers. An example of such a CA is Verisign [http://www.verisign.com] http:
//www.verisign.com. Such a certificate cost approx. 300 USD a year, depending
on the strength of the key (56 or 128 Bits)

10.1.4. When I request a php file, the browser want to download it. Whats
wrong?

You forgot to tell Apache what to do with the php files. So the php files are
not processed by the php engine. To do so, add the application type like
described in Section 6.3

10.1.5. Does this HOWTO also work on other platforms?

Not sure, Solaris should work, AIX and HP-UX do not. I did not got the time
to try FreeBSD yet. My goal is to provide a version of the HOWTO for all
major Un*x platforms.

Notes

[1]  This RPM contains the header files needed for php                       
[2]  Only needed if PHP is being built from the CVS tree                     
[3]  There is also version 1.4.1 of Java available, but Tomcat seems not to  
     run with that version of Java.                                          





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