/**
  * beforeFilter event
  *
  * @param Event $event cake event
  * @return void
  */
 public function beforeFilter(\Cake\Event\Event $event)
 {
     $this->PiRelay = new PiRelay(null, null, 0);
     $this->PiRelay->setSSHconfig('192.168.178.32', 'relay', '/Users/fuco/id_rsa');
     parent::beforeFilter($event);
 }