If you want to setup your own server, try this:
http://www.eqemulator.net/forums/showthread.php?t=28190
But, you don't need to run your own server just to play. You can play on any of the multiple existing servers just by installing the client and logging in. There are quite a few servers as you can see here:
http://www.eqemulator.net/index.php?pageid=serverlist