Mumble was awesome. It probably still is, to be fair

Wireshark*

I love cli and config files, so I can write some scripts to automate it all.
It documents itself.
Whenever I have to do GUI stuff I always forget a step or do things out of order or something.

It’s beautiful!
Once you get something running proxmox you will fully go down the rabbit hole!
You will be thinking about k8s clusters, DNS and domain management, redundancy & availability, services for this, that and everything!
Before you know it you will have a rack of 8 servers doing various things, 2 UPSs, a standby generator and a backup 5G wan connection!

Or, you know, as much of that as you want.