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When I got home, my server was hung in the BIOS boot process - the system had restarted for some reason.

The last log entry in /var/log/messages relates a DHCP renewal request - there's nothing listed after that. I have viewed all of the files edited since the server went down (sometime after 4:10PM EST on May 27).

Are there any specific log files I can check to help determine why the server went down? I am running CentOS 5.6. I have also sorted the files in /var/log by modify date and read all logs which were modified on or after May 27th. I also do not see any *.err files in /var/log.

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CentOS 5.6. I should have been more specific before - I sorted the files in /var/log by modify date and read all logs which were modified on or after May 27th. I also do not see any *.err files in /var/log. –  user83508 May 29 '11 at 15:46
    
What makes you think it was a crash? why not a power cut or brownout/voltage dip? –  Matt H Jun 20 '12 at 9:54

2 Answers 2

If it's gone down without logging anything, it might be power related so it's not had the chance to log anything.

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What Linux distro are you running? You should try looking at other logfiles under /var/log. /var/log/syslog and /var/log/*.err are good places to start.

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We'll need to see the contents of your /var/log/messages. Also might want to take a look at /var/log/kern.log and /var/log/daemon.log –  skrewler May 31 '11 at 19:44

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