[wplug] UPS with shutdown?

Alexandros Papadopoulos apapadop at cmu.edu
Wed Sep 3 09:59:39 EDT 2003


On Wednesday 03 September 2003 09:48, Russ Schneider wrote:
> Does there exist a UPS (uninteruptable power supply, not the brown guys)
> that will, when the power goes out, send a shutdown -h now signal to
> your machine?

Usually sending the poweroff signal is taken care of by init through /etc/
inittab.

All you need is a UPS that can tell the kernel it's running on battery. So you 
definitively need a serial connection for feedback to the box.

http://www.sibbald.com/apcupsd/
http://remus.rutgers.edu/~petechen/linux/UPS.html

...and other googlable resources should help you decide which UPS would work 
for you.

-A
-- 
http://andrew.cmu.edu/~apapadop/pub_key.asc
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