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Use a third-party APC UPS management tool for more control
Authored by: jollyroger on Mar 18, '10 02:24:11PM

Another great feature of apcupsd is that you can install it on more than one machine, and each can communicate with the other. If you have several machines that are powered from the same battery, you can set up apcupsd to shut all of the machines down gracefully before the battery runs out. You can also do lots of other cool things, limited only by your imagination.

For instance, I have two Mac minis in my server closet, and when power goes out and the battery is almost out of juice, on each machine, apcupsd quits all user-space applications (with an Applescript run through the 'osascript' command-line tool, schedules a 'wakeorpoweron' event with the power manager so the machine will reboot once power is restored, and then shuts the system down.


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