Nagios Support Forum

After running the reconfiguration script file, Nagios monitoring engine revert normal now. I will keep it monitor. Thanks Perry.

Anyone can help to troubleshoot this issue?

Hi BenJaminsmith, Thanks for your great help. Monitoring engine seems to be OK now after I reconfigured /usr/local/nagios/etc/ndo2db.cfg file, just pointed db_host=my remote database server. I have uploaded the latest profile for your review in case it still has the major error(s). As for your recom...

This issue has been occurred since yum update. And I have followed your colleague's instruction below to reinstall again. It helps to fix my ndo2db missing issue. https://support.nagios.com/forum/viewtopic.php?f=16&t=59428 I have followed your commands and Nagios monitoring engine is running now...

Thanks for your reply. I have uploaded the profile for your review. I will try your above commands at the same time and will get back results to you.

Moderator's Note: The profile has been shared with the support team but has been removed from the public forum.

I saw one of the major error in nagios.log which is "Error writing to data sink" and there are some crond.service errors. [root@nagiosxi /]# tail -f /usr/local/nagios/var/nagios.log [1595837016] Warning: Service 'Drive D: Disk Usage' on host 'hhdmsdb02.hiphing.n ws' has a notification inte...

Monitoring Engine cannot running. [root@nagiosxi libexec]# /usr/local/nagios/bin/nagios /usr/local/nagios/etc/nagios.cfg Nagios Core 4.4.5 Copyright (c) 2009-present Nagios Core Development Team and Community Contributors Copyright (c) 1999-2009 Ethan Galstad Last Modified: 2019-08-20 License: GPL W...

It seems running normally after I restored the snapshot. Many thanks.

After reinstall ndo, database backend and performance grapher are running with no error, however, the monitoring engine is still not running. Please advise? [jeffrey@nagiosxi /]$ systemctl status nagios.service ● nagios.service - Nagios Core 4.4.5 Loaded: loaded (/usr/lib/systemd/system/nagios.servi...

Thanks for your great help. I just restall the subcomponents and resolve both errors of performance grapher and database backend. However, the monitoring engine seems still cannot be running. May I know how to resolve it? [root@nagiosxi /]# service nagios status nagios (pid 17693) is running... [roo...