How To's
How to build a cross compiler system
How to change resolutions
How to run X applications in Windows
How to create TCP Socket in Bash
Debian
Ubuntu
Recently I've discovered ttyrec and ttyplay.  These tools
allow you to record your interactions during a shell 
session and provide a means to play back that interaction
in real time.

If you have ttyrec/ttyplay installed you can download 
these recordings and play them back by running:

ttyplay 

I have created the following tutorials:
screen
ttyrec
(up)