https://www.monitorix.org/
Monitorix :: a free, open source, lightweight system monitoring tool
Monitorix is a free, open source, lightweight system monitoring tool for Linux/UNIX servers.
open sourcesystem monitoringmonitorixfreelightweight
https://manpages.ubuntu.com/manpages/questing/man5/monitorix.conf.5.html
Ubuntu Manpage: monitorix.conf - Configuration file for Monitorix.
Configuration file for Monitorix.
configuration fileubuntumanpagemonitorix