Ubuntu Tweak

How to add the source of Ubuntu Tweak

open your terminal and import the key:

sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com FE85409EEAB40ECCB65740816AF0E1940624A220

add the following links in the Ubuntu 9.04 Jaunty source list:

deb http://ppa.launchpad.net/tualatrix/ubuntu jaunty main
Then update the source and install or upgrade Ubuntu Tweak:

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