turnkey program(s) per google search:

Cronitor : https://cronitor.io/docs/using-cronitor-cli

Nagios : https://exchange.nagios.org/directory/Tutorials/Other-Tutori...

https://jaytuckey.name/2020/10/30/new-project-coconut-deadma...

https://www.saashub.com/compare-cronhub-vs-zabbix?ref=sideba...