Troubleshooting errors
While using nrpe various status alerts or errors can be encountered in Nagios while communicating to associated hosts and services.
These errors can be seen within Nagios log under, /var/log/nagios.log or custom path in case it is changed during config.
This status can be viewed under - https://support.nagios.com/kb/category.php?id=93
and associated actions can be taken.