Nagios Support Forum

Good day,

during an upgrade which was failed, the MonitoringEngine is not running. Also to try to start again is was not
successfull. (pls see attached screenshot).

Who can urgently help pls how we could solve this problem.

Many thanks beforehand for your assistance in this matter.

Open a shell/ssh session, become root or use sudo to restart nagios and read the messages.

sudo systemctl restart nagios

If your OS isn't redhat based the command may be different.