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last -a shows server rebooted, how to identify the source or cause of reboot? thx reboot system boot Wed Feb 16 08:52 (02:0 2.6.21.7-2.fc8xen...
  1. 02-16-2011 #1
    phn737
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    how to identify reboot source

    last -a shows server rebooted, how to identify the source or cause of reboot? thx
    reboot system boot Wed Feb 16 08:52 (02:0 2.6.21.7-2.fc8xen
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  2. 02-16-2011 #2
    Irithori
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    Well, who was logged in before the reboot?
    And from that group: Who can escalate to root?

    But it can also be a script, executed via cron, application, even web application.
    So check, what is running there.

    Another possibilty is a hardware/software watchdog. You will probably know, if you installed such a thing.
    You must always face the curtain with a bow.
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  3. 02-16-2011 #3
    phn737
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    last doesn't show any other login from unknown ip before reboot entry.

    /var/log/messages shows 1 Fatal message, could this be cause?
    kernel: PCI: Fatal: No config space access function found
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