Instalar Mint Driver Manager en Ubuntu 14.04.5

$ sudo apt-get install gdebi (ya lo tenía instalado)

$ wget packages.linuxmint.com/pool/main/m/mintdrivers/mintdrivers_1.1.4_all.deb

$ sudo gdebi mintdrivers_1.1.4_all.deb

Si lo quisiéramos borrar:

$ sudo apt-get remove mintdrivers

Gracias a:
http://linuxg.net/how-to-install-mint-driver-manager-mint-drivers-1-1-4-on-ubuntu-14-04-pinguy-os-14-04-lxle-14-04-deepin-2014-and-other-ubuntu-14-04-derivative-systems/