Installasi VirtualBox 4.1.18
Buka terminal dan install VirtualBox 4.1.18 dengan ketik perintah berikut :
sudo sh -c "echo 'deb http://download.virtualbox.org/virtualbox/debian $(lsb_release -sc) contrib' >> /etc/apt/sources.list"
wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -
sudo apt-get update
sudo apt-get install virtualbox-4.1
Sumber : http://www.upubuntu.com/2012/06/how-to-install-virtualbox-4118-under.html