To clarify, regarding the steps of SSHing into the server and 1) trying a git clone and 2) removing keys from known_hosts on the server, the purpose was for debugging a problem, as was appropriate in the context above. These steps are not standard, not required for typical Trellis use.
To get your environment all set up for Trellis, and to discover how once your environment is set up, Trellis typically just works…
I’d be very surprised if the issues earlier in this thread were to appear on a fresh Trellis clone without modifications. Maybe just plug in your server IP in hosts/production and change the repo in wordpress_sites to