Virtualbox

Guest additions

All options written for the host system Ubuntu.

guest system: Windows

• install simple using Devices > Install Guest additions from the menu of guest window
• alternative isntallation: mount and run additions ISO image (Ubuntu package virtualbox-guest-additions-iso installs it to /usr/share/virtualbox/VBoxGuestAdditions.iso
• set the folder on host system using the Settings > Shared folders dialog for virtual OS
• on Windows, mount the folder (right click on Network on the left side bar in Explorer and select Map network drive, in dialog set path to \\vboxsvr\foldername - help is also displayed in the VirtualBox Settings dialog)

Obsolete

Could not run virtuals on Ubuntu 12.10

There was a problem with DKMS and linux kernel headers:

sudo apt-get install linux-headers-$(uname -r)
sudo apt-get remove virtualbox-dkms
sudo apt-get install virtualbox-dkms