Install Ubuntu on Oracle VirtualBox
https://brb.nci.nih.gov/seqtools/installUbuntu.htmlInstall Ubuntu. Back to Oracle VM VirtualBox Manager, click on the new Ubuntu virtual machine and hit 'Start' button. Now you shall see a 'Welcome' screen. Click 'Install Ubuntu' button. Note that the installation process may differ a little bit from version to version. The screenshots here are based on Ubuntu 14.04.1. Click 'Continue' button.