how to set up VM, or is there a freeware equivalent to Deep Freeze Software

[Jonathan Dieter]

On Tue, 2007-08-14 at 20:45 -0700, Antonio Olivares wrote:
> A student logs in, does his/her work on MS Word.  Finishes and starts
> messing with the desktop, ie. changing backgrounds, surfing the web,
> looking for ways to bypass the firewall to visit sites like youtube,
> MySpace, etc.  He/She logs out.  When another student comes in, the
> machine is restored to its original settings, original background, no
> programs installed no stuff.  Is there such an equivalent software
> that is open sourced?

I use qemu with the -snapshot option to achieve this.  We have a Windows
image that the students can (within reason) do what they want with, and
when they shut down, all their changes are lost.

Jonathan
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