Please do the following for automatic virtual box install or upgrade   Add the following line

Please do the following for automatic virtual box install or upgrade

Add the following line to your /etc/apt/sources.list
deb http://download.virtualbox.org/virtualbox/debian jaunty non-free

Download the sun public key from http://download.virtualbox.org/virtualbox/debian/sun_vbox.asc and add using
sudo apt-key add sun_vbox.asc

and now install virtual box using

apt-get install virtualbox-3.0

This will install the latest virtual box 3.0