This was supposed to go to the list as well.
>> 2. Is there any software that listens to a UPS (uninterruptable
>> power supply) in the way apm listens to a laptop battery?
>> That can warn you that the power you're now getting is not
>> from the main any more?
> SmartUPS, from APC, tell the PC to shut down via a serial port
> signal. There
> is a Linux app to monitor said serial port & give you a graceful
shutdown.
> It'll even cancel the shutdown if the power comes back before the
> batteries
> are about to run out.
I just purchased an APC Back-UPS Pro 420 and you can download Powerchute for
Linux from APC (ftp.apcc.com/apc/public/software/unix/linux/pcplus/452/). It
comes in an rpm for RedHat, glibc and libc tar balls. They ask for
registration but its quick (that is on their web site, nothing about the
actual software. I believe it is just a port of the other UNIX clients. It
will run as a daemon and you can use the X app to get info from it (Line
voltage and Load are constant, but you can configure a third bar for battery
voltage, time left, etc.
The software availability was _the_ deciding factor for me. It cam with 2
serial cables (one black, one gray, it says to use the gray one, what's the
black one for?)
Patrick
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