I get where you're coming from, really. I've been disappointed by Linux for years with the learning curve and random errors that no one can help with. I'd take a long break from anything server related and then once you think your ready to come back, go watch some videos that give you inspiration like Techno Tim. Try to make a game plan and stick to it. Use standard stuff like Debian and Proxmox for software and to get a head start try this. Wish you all the best mate.
I would assume you have some sort of software that is keeping the Steam Deck from hibernating because I can leave mine asleep for a week and it will still have charge.
Meshtastic just forwards your requests through other peoples devices until it gets where it needs. It acts as a big repeater system. I haven't experimented with it much outside of just sending messages. I think you are able to transfer actual small files but that's the limits.
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