Wie kann ich das Userinterface aktivieren? Ich bin leider blutiger Anfänger mit dem Raspberry2…

How i can activate the user interface? I use a Raspberry2

You must have chosen Minimal or Expert mode when you first brought up the UI.

I’m sure there are other ways but the only way I know of is to edit /etc/openhab2/services/addons.cfg and add paperui to the ui’s line.