To check if there's error in Nagios\ndocker exec ema /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg\n\nRun to reset the ssh key to the target database server\ndocker exec -it ema ssh-copy-id -i /usr/local/nagios/etc/ssh/id_rsa ingres@172.16.226.231\n\nrestart the docker\ndocker exec ema /etc/init.d/nagios restart