If you're doing anything with Linux you might want to check out
www.howtoforge.com.
Tons of useful step-by-step articles for "the young, the eager, the doomed."
Topics run from the fairly basic:
Installing Songbird Media Player On Ubuntu 8.04to ubertek articles like:
How To Set Up A Loadbalanced High-Availability Apache Cluster Based On Ubuntu 8.04 LTS and
How to add two-factor authentication to Google Apps for your Domain using open source softwareThe site's organization is a bit unusual. Sometimes you'll need to dig a little to find what you want. But getting useful info on Linux always has involved a little digging. And they do have a workable search feature if there's something specific you're looking for.
Check it out. These guys can walk you through things it would take forever to track down on your own.
Hey Kids! Now you too can set up your very own Xen virtual server in the privy of your home - and break it! I'm tellin' ya, it doesn't get any better than that folks! 
