Linux_Downloads – Oracle VM VirtualBox
https://www.virtualbox.org/wiki/Linux_DownloadsDownload VirtualBox for Linux Hosts. Note: The package architecture has to match the Linux kernel architecture, that is, if you are running a 64-bit kernel, install the appropriate AMD64 package (it does not matter if you have an Intel or an AMD CPU). Mixed installations (e.g. Debian/Lenny ships an AMD64 kernel with 32-bit packages) are not supported. To install …
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.