Good xorg info

Always wanted a good summary of all the options in this esoteric config file
http://www.x.org/archive/X11R6.8.0/doc/xorg.conf.5.html

Data recovery from broken harddrive (LVM volume)

apt-get install sleuthkit
apt-get install ddrescue

http://vmwaretips.com/wp/2009/01/29/my-hdd-failed-but-ddrescue-saved-the-day/
ddrescue -r3 /dev/sdb /media/USB/Backup/sdb.image /media/USB/Backup/sdb.logfile

Recovering an LVM volume from a disk image
http://blog.ncsa.uiuc.edu/aashish/2009/01/21/mounting-lvm-disk-image/