How To Install Virtualbox 4.3 On Ubuntu 13.04, 12.10, 12.04, Linux Mint 15, 14, 13, Pear OS 8, Pear OS 7 And Elementary OS 0.2 Via The Official Virtualbox Repository | LinuxG.net
こちらを見ました。
$ wget -q -O - http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc | sudo apt-key add -
$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian raring non-free contrib" >> /etc/apt/sources.list.d/virtualbox.org.list'
$ sudo apt-get update
$ sudo apt-get install virtualbox-4.3
$ wget -q -O - http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc | sudo apt-key add -
$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian quantal non-free contrib" >> /etc/apt/sources.list.d/virtualbox.org.list'
$ sudo apt-get update
$ sudo apt-get install virtualbox-4.3
$ wget -q -O - http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc | sudo apt-key add -
$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian precise non-free contrib" >> /etc/apt/sources.list.d/virtualbox.org.list'
$ sudo apt-get update
$ sudo apt-get install virtualbox-4.3
