How to Install Latest VirtualBox 5.1 on Ubuntu 16.04

VirtualBox is a free and open-source virtualization software. It can run on Linux, Mac, Windows.

If you have already installed VirtualBox from Ubuntu repository, remove it with:

sudo apt remove virtualbox

Next, open /etc/apt/sources.list file:

sudo nano /etc/apt/sources.list

Append the following line at the end of this file.

deb http://download.virtualbox.org/virtualbox/debian xenial contrib

Press Ctrl+O to save the file. Then press Ctrl+X to close the file.

Now fetch the Oracle GPG public key and import it to your Ubuntu 16.04 system with the following command so packages downloaded from Oracle repository can be verified.

wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add -

Then update local package index and install Virtualbox.

sudo apt update
sudo apt install virtualbox