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I have two server monitoring tools that check the uptime of my Ubuntu 10.04.1 LTS server. Over the last month both of these tools have reported the following outages:

  • Jan - 15mins: self recovery
  • Jan - 5 mins: self recovery
  • Feb - 15mins: I managed to be online when this happened and logged into my control panel to find that my server was shutdown. I manually restarted it only because I was online. I wonder if it would have restarted?

I have contacted my VPS provider (webbynode) who could not see any any problems with their VPS infrastructure for the February outage.

I have also checked the following log files to see if there are any anomalies that could be the cause of the outages; I am unable to see anything related to the server shutdown (Feb) in these logs:

  • /var/log/auth.log
  • /var/log/apache2/error.log
  • /var/log/syslog
  • /var/log/kern.log
  • /var/log/boot
  • /var/log/messages

Could anyone suggest any other things I should look out for, such as additional system logs?

I just added bootlogging through /etc/default/bootlogd

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By seeing it in your control panel I am guessing that the actural server is shutting down and not apache... could you just put some light on that please :) –  Trozz Feb 1 '11 at 21:45
    
Errr, I am not sure why it shutdown, but that is the extact purpose of this post! :) –  Coderama Feb 1 '11 at 21:48
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1 Answer

It would be a good idea to check out the /var/log/messages log and you could tail it, this shuld hhopefully increase your chances of finding the issue

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Just checked the messages log and it has no events before the server restarted. Then it displays the server restart information. –  Coderama Feb 1 '11 at 22:01
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