@Fae The system-started instance of mongod runs on a different port (27017). You may see from the output of "lsof" command, that port 27217 is blocked by mongod started by the "omada" user (e.g....

@Fae Thank you for your response. I'm attaching the logs. Sure, I know that port 27217 is used by Mongo :) What periodically happens is this: I find that the controller is not running. Try to start...

It happens again and again... No one else has the same problem? No official reaction?

I'm running the controller on Ubuntu 18.04 server. From time to time, the controller goes offline. It probably crashes or tries to restart itself but it does not stop also Mongo and when it tries to...