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Our server has just been hacked few days ago, we made a complete backup of it, but, from that time, we get erros while trying to access our websites hosted on it : some times, everything works perfectly, and then when we refresh the page, we get an error message :

Internal server error

Where could that come from ?

Thanks

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    You need to completely rebuild the server. See serverfault.com/questions/218005/….
    – Kyle Smith
    Apr 5, 2012 at 15:13
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    Read the logs, they'll tell you why it's erroring.
    – womble
    Apr 5, 2012 at 15:24
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    Ask the admin :-)
    – mfinni
    Apr 5, 2012 at 15:31
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    Please tell me you made a complete backup before you were hacked, because otherwise your backup cannot be trusted. Apr 5, 2012 at 16:26
  • Yes sure, the backuo seemed to be all right
    – Miles M.
    Apr 5, 2012 at 17:40

1 Answer 1

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Check the logs. The answer is there:

  • Apache Logs
  • Lighthttp logs: /var/log/lighttpd
  • Some nginx logs
  • Linux Logs:
    • /var/log/message
    • /var/log/auth.log
    • /var/log/kern.log
    • /var/log/secure
    • /var/log/yum.log
  • MySQL logs: /var/log/mysqld.log
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