No need to take a class. Find a project you want to do and a engineer/system admin who’s willing to mentor.

Welp. That’s good to know. I’m terrible at updating so I guess I’ll just not.

I’m a big fan of triliumnotes.org.

Single application, or if you want to wire it up as a server you can do that as well. Few small quark’s - the biggest two are a mediocre mobile experience (to me) and lack of multi user support.

My wife and I have done two of the book nook kits now. Trust me when I say making it an evening activity for two halves the difficulty.

The one you have done looks amazing - IMO the mistake work.

As someone who uses Debian everywhere - it’s just the opposite end of the spectrum from Arch for (non security) updates. Getting any OS into a bad state is trivial if your not paying attention. I still don’t understand why they make a rolling release version.