Step-by-step – VirtualBox Ubuntu 18.04 Gnu/Linux Installation

Installing

2. 2. Setting Up Repo

   Enable VirtualBox Repo for Ubuntu GNU/Linux

   Add VirtualBox Repo for Ubuntu

   VirtualBox Repository for Ubuntu Setup Guide

3. 3. Installing VirtualBox

   Then to Install VirtualBox in Ubuntu GNU/Linux
   Simply run:

   sudo apt install virtualbox

   If Got “User is Not in Sudoers file” then see: How to Enable sudo