- Download and register Sun authentication key
$ wget -q http://download.virtualbox.org/virtualbox/debian/sun_vbox.asc -O- | sudo apt-key add -
- Go to System > Administration > Software Sources and Third-Party Software.
- Add the following sources for Hardy (check your distibution here)
deb http://download.virtualbox.org/virtualbox/debian hardy non-free
- Now you can go to Synaptic Package Manager and look for virtualbox. This way you can uninstall previous Virtualbox installations (Synaptic Package Manager will do that for you).
- Don't forget to install the new Guest Additions if you're using a Windows Virtual Machine.
- Now you'll receive updated through Update Manager.