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You as sysadmin know that for sure – return code errors, specify direct recipients, hosts unreachable.
If the output of a plugin for a host or service check returns a "(Return code of x is out of bounds)" error, this usually means two things:
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Error in the definition of the notification command.
Make sure that the syntax you use to call /bin/mail (or where/how your mail program should be) is correct in the definition of the notification command for your system.
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Make sure that you pass the path to your main configuration file on the command line.
The correct syntax should look like the following command (possibly changed something for your system, of course):
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Usually a problem with directory and/or file permissions.
Switch to PRTG: PRTG automatically discovers and monitors all your network devices, bandwidth and traffic. Test now for free and get rid of all your Nagios errors like this most common one – forever.
See why monitoring with PRTG is like working in paradise.
You have activated the notify_unreachable option in the host definition(s).
If you do not want to be notified when a host is unreachable, you only need to deactivate this option in the host definition.
Switch to PRTG: PRTG automatically discovers and monitors all your network devices, bandwidth and traffic. Test now for free and get rid of all your Nagios errors like this most common one – forever.
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Perform a file check one at a time.
Details can be found in your log file - "Check log for details"
Switch to PRTG: PRTG automatically discovers and monitors all your network devices, bandwidth and traffic. Test now for free and get rid of all your Nagios errors like this most common one – forever.
See why monitoring with PRTG is like working in paradise.
Monitor all the systems, devices, traffic, and applications in your IT infrastructure.
Everything is included with PRTG; there is no need for additional plugins or downloads.
PRTG is a powerful and easy-to-use solution, which is suitable for businesses of all sizes.
