Edubuntu thin-client and VirtualBox Guest Additions

[Jonathan Carter]

On 30/08/2012 12:30, David Trask wrote:
> Smoothest first day of school ever!  I have my whole school on Edubuntu
> (probably about 75 clients) and I have many applications (web browsers,
> the "tux" games, and a few others) all running as localapps...Epoptes is
> running very well...I have wake-on-lan working so I can shut down and turn
> on machines as needed....life is good.  Except for one thing...
> 
> I have a Macbook Pro that I use as my "teaching machine".  It is wired and
> hooked to my SmartBoard.  I have a session in VirtualBox that boots to the
> network via PXE and thus acts as a thin-client.  Since the thin-client is
> "also" on the Mac...my SmartBoard software running on the Mac will also
> control the thin-client in VirtualBox....again....life is good. 
> HOWEVER...since the thin-client is running in a VM I can only get 1024x768
> resolution unless I do something like install VirtualBox Guest Additions. 
> My question is....is there anyway I can force the resolutiuon for the
> thin-client running in Virtualbox either via lts.conf...or is there a way
> to install the VirtualBox Guest additions so I can get a more acceptable
> resolution like 1440x900?  Any ideas welcome. 

I think I've done this once before. You need to download the guest
additions iso from the Virtualbox site, install "build-essential" in
your ltsp chroot (check that you have /proc and /dev mounted) and then
run the installation script that's provided on the iso.

Thin client chroots should then be able to boot fine as vbox guests.

Tip: make a backup of your chroot before making changes and remember to
unmount proc, dev and the iso before doing ltsp-update-image

-Jonathan