Ubuntu & Virtual Box

Ubuntu falls back to gnome after installing default because 3d-accellaration is deactivated without vm-additions.
additionaly to running the installscript of the additions i had to:

sudo apt-get update      
       sudo apt-get install virtualbox-ose-guest-utils

In Ubuntu 16.04 / 14.04

sudo apt-get install virtualbox-guest-x11 virtualbox-guest-dkms

found here
http://www.webupd8.org/2010/12/how-to-test-ubuntu-1104-with-unity-in.html

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