Wondering how to resolve return Code Out Of Bounds Nagios error? We can help you.

At Bobcares, we offer solutions for every query, big and small, as a part of our Server Management Service.

Let’s take a look at how our Support Team is ready to help customers to resolve return Code Out Of Bounds error.

How to resolve return Code Out Of Bounds Nagios error?

Typically, error looks as shown below:

Return Code Of X Is Out Of Bounds – Plugin May Not Be Executable
where X is the return code value

Many times when a plugin is downloaded from the Nagios Exchange and copied to the remote host, it will not have executable permissions.

We can verify this by getting a long-listing of the libexec plugin directory.

Usually, this error will be displayed in the Nagios console while setting up Linux processes.

Issue occurs, if the output of a plugin for a host or service check returns a error, this usually means:

1. Firstly, the plugin does not have executable permissions.

2. Secondly, the plugin we use to check the service or host does not return a correct return value when it terminates

3. The path to the plugin is invalid.

This is usually the case if there is an error with the return value 127.

If you get this error, we need to check our command definition and make sure that the path to the plugins is correct.

Today, let us see the simple example solution provided by our Support Techs:

1. On the remote host, execute the following command:ls -l /usr/local/nagios/libexec

We should see a listing similar to:

-rwxr-xr-x. 1 root root 4173 Nov 21 01:39 check_bl
-rw-r–r–. 1 root root 2289 Nov 21 01:39 check_test.sh

The far left column of the listing are the permissions for each file. Here check_test.sh is missing an “x” in a few places.

These are executable permissions and can easily be added to the file using the following command:

chmod +x /usr/local/nagios/libexec/check_test.sh

2. Then, check whether NRPE file is properly declared with Linux IP

• Firstly, check if only_from attribute in /etc/xinetd.d/nrpe contains proper IP to monitor the Linux processes.

Please remember that this attribute is separated by spaces and not with a comma.

only_from = 127.0.0.1

• Then, check if there is any network issue between Nagios and Linux machine.
• Next, check_nrpe command should be working properly irrespective of the error message seen on Nagios UI console. Make sure that check_nrpe returns a proper result first.
• Finally, check the configuration files and restart the NRPE service once after editing any value so that the changes will get reflected.

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Conclusion

To conclude, our skilled Support Engineers at Bobcares demonstrated how to resolve return Code Out Of Bounds Nagios error.