This Tip Show How-to Add the VirtualBox Repo to apt-get for Linux Ubuntu Precise.
- Open Terminal
- Add the VirtualBox Repo
sudo su -c "nano /etc/apt/sources.list"
Inserts:
deb http://download.virtualbox.org/virtualbox/debian precise contrib
Ctrl+x to Save & Exit
- Add the VirtualBox Repo Public Key
wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -