I’ve been recently running Ubuntu 14.04 Daily Build using VirtualBox. Everything has been working great so far. However, after some large system upgrade involving a new kernel and a bunch of the xorg libraries, the customary re-installation of the VirtualBox Guest Additions modules stopped working for me. After several attempts, I was getting a message like this:
Warning: unknown version of the X Window System installed. Not installing X Window System drivers.
- Remove the existing
Guest Additionsusing the script under
- Install the Guest Additions Iso using the package system
$ sudo apt-get install virtualbox-guest-additions-iso
- Enable VirtualBox Guest Service driver, using the
You can type the following command in the terminal to bring up the dialog.
$ software-properties-gtk --open-tab=4
The guest display can now be auto-resized, made full screen, etc.
- From today, this solution appears to be broken. Presumably, the latest upgrades pushed to the 14.04 repos have somehow broken it, most likely temporarily. I’ll update again this post if I find it working again. But in the meantime, you’ve been warned!
- As it turns out, there is a test build of the Guest Additions iso (v4.3.7) that installs without problems and fixes the issues. Thanks to AnimeMuyou and Martin for pointing this out (look for the links in the Replies section).