Cara install VirtualBox melalui Repositori
pertama tambahkan repositori di daftar repositori dengan ketik perintah berikut dibawah lewat terminal :

# gedit /etc/apt/sources.list

kemudian tambahkan kode berikut dibawah ini :


deb http://download.virtualbox.org/virtualbox/debian raring contrib
deb http://download.virtualbox.org/virtualbox/debian quantal contrib
deb http://download.virtualbox.org/virtualbox/debian precise contrib
deb http://download.virtualbox.org/virtualbox/debian oneiric contrib
deb http://download.virtualbox.org/virtualbox/debian natty contrib
deb http://download.virtualbox.org/virtualbox/debian maverick contrib non-free
deb http://download.virtualbox.org/virtualbox/debian lucid contrib non-free
deb http://download.virtualbox.org/virtualbox/debian karmic contrib non-free
deb http://download.virtualbox.org/virtualbox/debian hardy contrib non-free
deb http://download.virtualbox.org/virtualbox/debian wheezy contrib
deb http://download.virtualbox.org/virtualbox/debian squeeze contrib non-free
deb http://download.virtualbox.org/virtualbox/debian lenny contrib non-free



setelah itu update list repo
dengan buka terminal dan ketik:

#apt-get update


# apt-key add oracle_vbox.asc
atau ketik berikut
# wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -

kemudian install virtualbox dengan ketik perintah :
# sudo apt-get update
# sudo apt-get install virtualbox-4.2