Hi, I don't know if that already exists somewhere ... I've written it
for me and wanted to share it with you.
It's a minimal kvm shell for end users - it allows them to
start/stop/reboot their own kvm guests.
http://www.michael-kress.de/2009/12/kvm-shell/
kvm-shell should run on all platforms.
Have fun.
Regards
Michael
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Michael Kress, kress(a)hal.saar.de