Find a string inside of file in subdirectories

find ./ -type f | xargs grep -i 'eth11' :)

Enable bool log in Debian

Set flag to Yes in /etc/default/bootlogd :)

Install wifi drivers on Debina Lenny

Here :)

Check compatibility of your computer with Debian

http://kmuto.jp/debian/hcl/ :)

Gtk-WARNING **: cannot open display:

As a root :)
DISPLAY=:0.0 ; export DISPLAY
host +

Recomendation engines...

Here :)