Virtualbox 4 und guest

Add one of the following lines according to your distribution to your /etc/apt/sources.list:

deb http://download.virtualbox.org/virtualbox/debian natty contrib deb http://download.virtualbox.org/virtualbox/debian maverick contrib non-free deb http://download.virtualbox.org/virtualbox/debian lucid contrib non-free deb http://download.virtualbox.org/virtualbox/debian karmic contrib non-free deb http://download.virtualbox.org/virtualbox/debian hardy contrib non-free deb http://download.virtualbox.org/virtualbox/debian squeeze contrib non-free


sudo apt-key add oracle_vbox.asc && sudo apt-get update && sudo apt-get install virtualbox-4.1 && sudo apt-get install dkms