Start port forwarding over an *existing* SSH connection instead of creating a new one

Start port forwarding over an *existing* SSH connection instead of creating a new one This tip is for when you have an existing SSH session running but forgot to start port forwarding over the connection. Typically, people would close the connection and create a new one. However there is an alternative. On your existing connection, simply type <enter>~C to bring up a console with your local SSH cl