[K12OSN] Uninteruptable Power Supply UPS with Linux
Brian Chivers
brian at portsmouth-college.ac.uk
Tue Oct 17 06:36:44 UTC 2006
Robert Arkiletian wrote:
>
>
> On 10/16/06, *Calvin Dodge* <caldodge at gmail.com
> <mailto:caldodge at gmail.com>> wrote:
>
> On 10/16/06, Robert Arkiletian <robark at gmail.com
> <mailto:robark at gmail.com>> wrote:
> > Can APC UPS's send a shutdown command via a linux deamon when
> the main
> > power goes out? How is this done?
> > Also I see some of these UPS's have serial cables and some have
> usb cables.
> > Does it use this cable to send the shutdown?
>
> Not directly. The cable is used for communications with a program on
> the computer, and that program (or clients) is responsible for
> shutting down the system. If you have a choice, I'd suggest getting
> one with a USB cable.
>
>
>
> Why do you recommend usb over serial?
>
>
> If you're using an APC (IMHO the best of the consumer-quality UPSes),
> install apcupsd. If you're using FC5 it's available from the "extras"
>
>
>
> I am using the CentOS 4 based k12ltsp.
>
>
I've just built a box with CentOS 4 & apcupsd via usb & serial and both just work once you've
configured the apcupsd.conf file.
If you like drop me a line offlist & I'll send over the files.
Brian Chivers
Portsmouth College
------------------------------------------------------------------------
The views expressed here are my own and not necessarily
the views of Portsmouth College
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