Came across this site whilst Googling for something else: Tech Recipes
Nice layout , and there's lots of useful nuggets of sysadmin info on there. I like the comment system on each recipe as well - a kind of peer review. You can add your own recipes as well if you want to contribute. I certainly will be.


Here's a few examples of the receipes posted up:
How to safely reboot a Linux box
Extract a gzip compressed tar archive in Linux
How to change the MySQL root password
Loop over a set of files from the shell