[K12OSN] Uninteruptable Power Supply UPS with Linux

[Brian Chivers]

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

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    The views expressed here are my own and not necessarily 
                the views of Portsmouth College