docs: def update_ssh_config(self, path="~/.ssh/config"):
          """Put the DNS into the ssh config file."""
          # Read the config file #
          import sshconf
          config = sshconf.read_ssh_config(os.path.expanduser(path))
          # In case it doesn't exist #
          if not config.host(self.instance_name): config.add(self.instance_name)
          # Add the new DNS #
          config.set(self.instance_name, Hostname=self.dns)
          # Write result #
          config.write(os.path.expanduser(path))