code: def enable_service(conn, service='ceph'):
      
      if is_systemd(conn):
          remoto.process.run(
              conn,
              [
                  'systemctl',
                  'enable',
                  '{service}'.format(service=service),
              ]
          )
      else:
          remoto.process.run(
              conn,
              [
                  'chkconfig',
                  '{service}'.format(service=service),
                  'on',
              ]
          )
docs: Enable a service on a remote host depending on the type of init system.
      Obviously, this should be done for RHEL/Fedora/CentOS systems.
  
      This function does not do any kind of detection.