[WIP} add frappy.update()

devices.py

@@ -332,12 +332,16 @@ class FrappyConfig(Device):
         session.log.info(all_info(allcfg))
 
         if proposed:
-            info = all_info(proposed, '')
-            session.log.warning('please consider to call:')
+            info = all_info(proposed, 'proposed configuration: ')
             session.log.warning(info)
+            session.log.warning('please consider to call: frappy.update() for above configuration')
             if '?' in info:
                 session.log.warning("but create cfg files first for items marked with '?'")
 
+    def update(self):
+        proposed = self.to_consider(self.check_services())[0]
+        self.show_config(self.start_services(**proposed))
+
     def initial_restart_cfg(self, service):
         """get cfg for (re)start of the service