As well as the Amazon Web Services Machine Image, we also have a VirtualBox image of an new installation of the OppiaMobile Server.
The latest version is available to download from: http://downloads.digital-campus.org/OppiaMobile/virtualbox-images/
The configuration is all set up with the same directory structure, passwords etc as on the AWS image, so you can find all the details here.
The only additional information you should need is the user login account:
Obviously as soon as you have installed the machine you should change this to something much more secure.
The current version of the instance (OppiaMobile Server 0.4.0) is running: