Apache: The engine that powers the Web

Beyond Linux, the most famous and widely used piece of open source software is the Apache Web server. Once by far the most dominant Web server software on the Internet, Apache still powers about half of the Web sites you'll run into. One of Apache's key benefits is that it runs on a multitude of operating systems.

In this guide, we'll show you some of the essentials of working with Apache 2.2.4. You'll see how to install Apache, how the configuration files work, and even how to do some advanced things like setting up virtual hosts.