Install VirtualBox in Ubuntu 12.04

Installing VirtualBox in Ubuntu 12.04 is very easy, and what you need to do is to run the following commands in your terminal.

Open your terminal, login as  root, and run the command below to update your system:

apt-get update

After that, run the following commands to add VirtualBox repository’s key and VirtualBox repository in Ubuntu:

wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add –
sh -c ‘echo “deb http://download.virtualbox.org/virtualbox/debian precise contrib” >> /etc/apt/sources.list’

Now, you are ready to install VirtualBox in your system using the following command:

apt-get install virtualbox-4.1

Enjoy your installed VirtualBox to load and run Guest Operating System  in it’s own virtual environment.