Nagios

installing Nagios on Ubuntu

http://www.bogotobogo.com/DevOps/DevOps_Nginx_Nagios-Remote-Plugin-Executor-NRPE.php.NOT-Working

adding new services to nagios

https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/monitoring-publicservices.html

check the validity of configuration

/usr/local/nagios/bin/nagios -v nagios.cfg

configuration file for nagios

/etc/nagios/nagios.cfg

Nagios utilities

/usr/local/nagios/libexec

restart Nagios

sudo systemctl restart nagios