

Honestly the best thing to do is just start trying things and don’t only rely on your own stuff until you have a good understanding.
Just get an old computer and install an os you want to learn, worst case you break it and reinstall.
I suggest proxmox since you can lean on community scripts and can backup and restore any containers pretty easily if needed.
But as with anything don’t go in expecting to be perfect, just get started, break some eggs and learn from mistakes. You will learn what you like about it, what you would change and you can burn it all down and start again if you want as well.




Ubuntu is based on Debian, by the nature of that it will have more things than Debian.
Ubuntu generally has more cutting Edge features and tools by the nature of what it is, but the company supporting it also is pushing snap files for compatability containers which may or may not be your cup of tea.
Debians official packages can sometimes be a tad older since their ideology is stability over everything else.
A popular hypervisor distro proxmox uses Debian as the base for it’s great stability.