Yup. Then the asshole crashed on me and I'm praying I can restore it.

Nope. I'm procrastinating with lightning (I run only phoenix wallet).

It's on my "to do list".

So far I'm running node which I set up following raspibolt.org

Honestly, I don't know how to start.

I have no domain.

CLN x LND?

Whom should I open channel to?

I don't want to be a routing node.

I just need it to send and receive occasionally payments. Nothing special.