Shell_command / ssh: return_code 255

[wmaker (Tommy Long)]

Here is a link you might find helpful

SSH'ing from a command line sensor or shell command

I’ve noticed there’s a significant number of posts looking for help on this topic and the posters all seem to struggle with a few common issues. I realized I’ve been almost copying and pasting my responses on these topics so it seemed like a good case for a community guide. What will this cover This guide will walk through the process of getting a command which ssh’s into another machine to get some simple data ready to be included in a command line sensor. To keep it simple I’ll use the same …

A couple of thoughts:

• When you run it manually to see if it works, make sure you do so inside the homeassistant container and note that its config path is /config.
• Follow the guide, as you’ll need an ssh option to deal with the fingerprint reply from the remote host