Virtual box

Install latest version

$ sudo apt-get purge virtualbox-\*
# download from https://www.virtualbox.org/wiki/Linux_Downloads
$ wget <desired_package.deb>
$ sudo dpkg -i <desired_package.deb>

Unistall running virtualbox

$ sudo service vboxdrv stop
$ ps aux | grep VBoxSVC
$ pidof VBoxSVC
$ sudo kill -9 7811
$ sudo apt-get purge virtualbox-\*