World of Warcraft is a vastly popular online computer game played by millions of people around the world. While the majority of game servers are maintained by the game's creators, Blizzard, a group of people have designed a server program of their own, named Trinity Core. This guide will walk you through the steps necessary to compile and update your very own private WoW server.
This guide often uses the terminal for configuring and installing. If you are unaware of how to use the terminal, locate a bash guide or search for a how-to here on wikiHow. Terminal commands will be highlighted in italics. Bold text is information that must be supplied by you.
http://www.wikihow.com/Build-and-Maintain-a-Private-World-of-Warcraft-Server-on-Linux has all the steps for you to build one.
There are also many other good sites that will help you build one. Good luck in doing so! I've never had the time,courage or brain to be able to do this! It would be fun however!