Holy cow, lucky you! o.O

How the heck did you trace the problem down to the amount of groups the user was in?

Tl;dr: Stick in a USB cable and the other side gets your console.

That is possible indeed! For more context, you can look up “static linking vs dynamic linking”

Tldr: Static linking: all dependencies get baked into the final binary Dynamic linking: the binary searches for libraries in your system’s PATH and loads them dynamically at runtime

Might wanna take a look into strato.de, although I don’t know whether it would be available for you.

E: don’t even know if there’s an English variant of the website

https://www.practicalnetworking.net/series/cryptography/rsa-example/

The hard part is getting used to it. How do I share my public keys? How do I use GPG (the program)? How do I access them easily? What do I do when I want to encrypt my mails on desktop (maybe Windows+Linux), laptop, and phone? It’s just relatively much work to gather the knowledge.

+ the fact there’re not many people using it