Some Linux tips

1. share the shell screen
user a# screen -S test
user b# screen -x test
then both a and b can use the shared shell screen to watch the status.

2. how to show your IP address (a little boring and stupid...^^)
ifconfig | grep "eth0" -A 1|sed '1d'|awk '{print $2}'|awk -F: '{print $2}'

3. how to show your VGA driver name (still need to see /var/log/Xorg.0.log for details)
lspci -v|grep VGA -A 10|grep modules

4. How to clean all gnome panel applet default settings
gconftool-2 --recursive-unset /apps/panel
kill gnome-panel --> it will make gnome-panel refresh again.

-- Need to maintain ---