How to add the source of Ubuntu Tweak

No matter your Ubuntu is Feisty, Gutsy or Hardy, open your terminal, type the command to run gedit(or other editor in your opinion) to modify the sources.list:

sudo gedit /etc/apt/sources.list

And put the two line into it:

deb http://ppa.launchpad.net/tualatrix/ubuntu hardy main
deb-src http://ppa.launchpad.net/tualatrix/ubuntu hardy main

Then update the source and install or upgrade Ubuntu Tweak:

sudo apt-get update
sudo apt-get install ubuntu-tweak

if you have installed, just type:

sudo apt-get dist-upgrade