recordings.md

@@ -56,6 +56,8 @@ To get the link of a recording you need the meeting ID. This can be found
 
 2. on bbb@scale (pro.fairteaching.net) as an admin go to Administration (Django Interface) / Meeting - there you see the list of all meetings and if you click on it you see the meeting ID (however you do not know on which server, you need to check all)
 
+      grep -R meeting-id /var/bigbluebutton/published/presentation/
+
 Then just add the meeting-id to the usual presentation link of the server as an example 
 
 BBB 2.2: `https://arlberg.fairteaching.net/playback/presentation/2.0/playback.html?meetingId=70983043-34234343`