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Old 12-12-2011, 02:28 AM   #1
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log message for power failure

when power failure is occured
1- dose linux write shutdown message in wtmp?
2- is there any log message about reason(power failure)
Old 12-12-2011, 03:23 AM   #2
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I don't think the os has time to do that, unless you get a battery backup. In which case (for apc anyhow), you can configure it to log, mail you a message, and probably execute a script to do whatever you want when the system detects a power failure.
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Old 12-12-2011, 03:57 AM   #3
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+1 to what bradbobak wrote.

Without a UPS, a power cut is a non-maskable interrupt, like death is to humans.


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