I saw the exact same thing.  nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg said the Cashu Nutsack or something or other (J/K it's called Nutshell) can be used. I don't have a Linux box though.

I'm sure if I'm patient a solution will present itself.