# sudo nano /etc/apt/sources.list # deb http://download.virtualbox.org/virtualbox/debian xenial contrib wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add - wget -q https://www.virtualbox.org/download/oracle_vbox.asc -O- | sudo apt-key add - sudo apt-get update # sudo apt-get install virtualbox-5.0 sudo apt-get install virtualbox-5.1 sudo apt-get install dkms # sudo apt-get install virtualbox-ext-pack wget http://download.virtualbox.org/virtualbox/5.1.18/Oracle_VM_VirtualBox_Extension_Pack-5.1.18-114002.vbox-extpack sudo VBoxManage extpack install Oracle_VM_VirtualBox_Extension_Pack-5.1.18-114002.vbox-extpack --replace