Export your feed to an opml file, and import it into the new installation. Your read/unread history will be lost, but that’s about it.

Used NUCs don’t have built-in UPSs, like used laptops do.

Links? OP is sharing their experience and expressing an opinion. What do you want links for?

Tiny tiny Rss (ttrss). I’ve used it for well over 10 years. New docker install is easy.

Lemmyin.org

Mind telling us what it’s for? We’re here on lemmy to share info, right?

I’m very impressed. It just needs more 3rd party apps!