I've realised that most people never came across sshuttle: a tool that allows you to trivially participate in a remote private network using just SSH. It sets

I've realised that most people never came across sshuttle: a tool that allows you to trivially participate in a remote private network using just SSH. It sets up all the routing and forwarding rules for you, and it's such a time saver. It works with Linux, FreeBSD and MacOS, though I've only ever used it under Linux.