IMVHO: you can base64-encode anything so any "REPL-alike system" (classic CLI included) can run over SMS BUT it would be probably less expensive buying a satell

IMVHO: you can base64-encode anything so any "REPL-alike system" (classic CLI included) can run over SMS BUT it would be probably less expensive buying a satellite connection for boats (C or Ka band) and relevant hw... Just to check news a classic radio, or again in many area of the world a satellite dish for C or Ku bands works far better, emails might be more problematic for html messages, having at home a small server that pipe a classic mail (1) UI over SMS is easy but html2text converted mails are generally not good. Status check I do not know how much can be useful: you can know that's something goes wrong but you can't do almost anything so...