O'Reilly Network articles about this topic:
Profiling LAMP Applications with Apache's Blackbox Logs
Benchmarking LAMP sites can be tricky; how do you know which pages or applications need tuning? Fortunately, you can easily tune your Apache logs to provide more useful profiling information. Chris Josephes explains a Blackbox log format for Apache httpd.
Simplify Your Life with Apache Virtual Hosts
Not every web site needs its own server or IP address. Apache and HTTP 1.1 both allow different sites to share a single box and a IP address. Russell Dyer explains how virtual hosts can make your life easier as a web developer and a system administrator.
Revision control isn't just for distributed, multi-developer teams. Rafael Garcia-Suarez introduces Subversion and explains how to use it for personal projects.
Installing PHP on a Windows System
Darrell Brogdon explains the steps required to install PHP on a Windows system.
Securing Your Apache Server
This excerpt is from Chapter 13 of O'Reilly's book Apache: The Definitive Guide, 2nd Edition. Enable Apache to communicate securely over Secure Sockets Layer (SSL). Covers building, configuring, and securing an SSL-enabled Apache server under Unix.
An introduction to the Apache server logs and their place in monitoring, security, marketing, and feedback.
An Amble Through Apache Configuration
Rael Dornfest introduces the Apache web server's configuration file, httpd.conf, and explains its settings.
Other documents about this topic:
Below are other references available on the web for this topic. Since other sites may change their links, please if you find any that may need to be updated.
Apache Run-Time Configuration Directives
Details of each run-time directive in the Apache standard distribution, version 1.3x.
Web Server Configuration Tips
A support document that offers advice on some common configuration issues with Apache. [Source: Pair Networks]