hayalci

See https://lemm.ee/post/4593760 for a related post and more discussions about pros and cons of each.

keepass2android is worth a try as well.

You got an excellent short answer here, but for a more extensive article check out https://itsfoss.com/compile-linux-kernel/

A good answer to a "why?" question is "why not?" This can be a great learning or practice opportunity for redundant network links and other interface challenges.

Nope, not realistic for "mirroring". Federated could be possible, but I wouldn't have high hopes about (good) latency and coverage.

Huh, I wasn't so sure about Osiris-Rex but I totally remembered STEREO A & B as stationary at L4 and L5.

Note to self: re-read the sources you quote.

No need for using sensational/clickbait headlines like this.

There are STEREO and Osiris rex already in L4 and 5

https://en.m.wikipedia.org/wiki/List_of_objects_at_Lagrange_points

Relevant song https://youtu.be/VJFZodY9jp0

Yes it's a sci-fi anthology.

BBC has just started doing that at https://social.bbc

You do you.