You could add encryption and authentication via ssh: https://guide.munin-monitoring.org/en/latest/example/transport/ssh.html or you could put it behind an nginx and wrap it in tls if you just want encryption.

Munin might be what you’re looking for. Very simple and easy to write your own plugins for if some information is missing.

http://munin-monitoring.org/

You could have a look at munin. It’s incredibly simple but effective. Quite easy to write your own plugins for if you’re missing some data. http://munin-monitoring.org/

Although it’s not in the fediverse I quite like reading https://tildes.net. It’s quite slow paced but the quality of conversation is quite high in my opinion.