Checkmk,
Easily start monitoring your applications, platform with checkmk
wget https://download.checkmk.com/checkmk/2.2.0p6/check-mk-raw-2.2.0p6_0.jammy_amd64.deb
sudo apt install check-mk-raw-2.2.0p6_0.jammy_amd64.deb
root@randyrick:~# omd version
OMD - Open Monitoring Distribution Version 2.2.0p6.cre
sudo omd create monitoring x5monitor
output will provide you with URL and credentials to log into UI
sudo omd start randy-monitor
this will launch the web UI