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This article explains how to debug a site if it is not accessible after an appliance a Checkmk Appliance update or a Checkmk update. |
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Problem
Your Checkmk site is not accessible anymore after you updated your appliance firmware, or Checkmk, or a simple reboot.
You are getting a 404 Apache error like the following:
Reason
The root of these issues lies in outdated appliance firmware.
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| All relevant background information can be found in Werk 14281. |
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We have seen this issue also on current firmware occasionally. We are investigating this, but the first two steps of the solution below might still work for you. |
Solution
The solution is rather simple and outlined in the abovementioned aforementioned Werk:
- Log into your appliance as root.
For each site that resides on the appliance, run the following:
Code Block language bash theme RDark OMD[mysite]~# omd update-apache-config $SITE
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- You should be back online now, but the next step is necessary for a permanent fix.
- As soon as possible, upgrade to an up-to-date firmware version.
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