In about 16 commands, I demonstrate installing #SofaPub, creating a new identity, responding to an external Follow request, sending a new Note ("Status" in Mastodon parlance), and then deleting everything from the remote server.
Everything in SofaPub is done from the command-line. I describe a couple of steps taken from the Serendipitous web interface to facilitate the interaction.
Network/DNS configuration (with TLS) is in place prior to this sequence.