[K12OSN] Uninteruptable Power Supply UPS with Linux

[Robert Arkiletian]

On 10/16/06, Calvin Dodge <caldodge at gmail.com> wrote:
>
> On 10/16/06, Robert Arkiletian <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.


repository. I know "nut" and "nut-cgi" are available in the "core"
> repository, but I've found apcupsd to be easier to setup (probably due
> to its product-specificity).
>
> Calvin
>
> _______________________________________________
> K12OSN mailing list
> K12OSN at redhat.com
> https://www.redhat.com/mailman/listinfo/k12osn
> For more info see <http://www.k12os.org>
>



-- 
Robert Arkiletian
Eric Hamber Secondary, Vancouver, Canada
Fl_TeacherTool http://www3.telus.net/public/robark/Fl_TeacherTool/
C++ GUI tutorial http://www3.telus.net/public/robark/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/k12osn/attachments/20061016/72485c72/attachment.htm>