code: def maint_up(self):
          
          r = self.local_renderer
          fn = self.render_to_file(r.env.maintenance_template, extra={'current_hostname': self.current_hostname})
          r.put(local_path=fn, remote_path=r.env.maintenance_path, use_sudo=True)
          r.sudo('chown -R {apache_web_user}:{apache_web_group} {maintenance_path}')
docs: Forwards all traffic to a page saying the server is down for maintenance.