On Fri, Jul 1, 2011 at 7:05 PM, Timothy Murphy <gayleard at eircom.net> wrote: > It seems to me that it should be possible > to have a simple, torch-battery operated, system > which will keep the machine alive long enough > to make a graceful exit. > A full-blown UPS would be excessive, I think, > as I only want the machine to re-boot > when the current comes back on. I believe a personal UPS would be quite cheap. Much cheaper than losing data. The UPS can tell the OS to shutdown on power loss.