Roon Server Linux: cannot connect anymore [solved]

Suddenly I could not connect to my core anymore.

After a lot of retries, and restarts, I uninstalled it and removed all soon files. Then I installed it again:

Checking to see if RoonServer can run on this machine

Checking for Binary Compatibility                            [   OK   ]
Checking for ALSA Libraries                                  [   OK   ]
Checking for ffmpeg or avconv                                [   OK   ]
Checking for the mount.cifs command                          [   OK   ]
Testing ulimit -n 8192                                       [   OK   ]

STATUS: SUCCESS

Copying Files…Done
Failed to stop roonserver.service: Unit roonserver.service not loaded.

Installing /etc/systemd/system/roonserver.service

Enabling service roonserver…
Created symlink /etc/systemd/system/multi-user.target.wants/roonserver.service → /etc/systemd/system/roonserver.service.
Service Enabled

Starting service roonserver…
Service Started


All Done! RoonServer should be running on your machine now.


Running Ubuntu 18.4. The client did see the core for a cople of seconds, and then it claimed not seeing it anymore.

The service log seems fine :

Starting RoonServer v1.5 (build 360) stable on linuxx64


11/13 12:01:17 Trace: Successful POST response from https://push.roonlabs.com/push/1/connect
11/13 12:01:17 Trace: [push] connecting to 104.248.55.243:9200
11/13 12:01:17 Trace: [push] connected
11/13 12:01:21 Info: [stats] 1854mb Virtual, 112mb Physical, 29mb Managed, 0 Handles, 27 Threads
11/13 12:01:35 Trace: [appupdater] initial check for updates
11/13 12:01:35 Debug: [base/updater] Checking for updates: http://updates.roonlabs.com/update/?v=2&serial=71ACBFCC-3F6D-4571-B7EC-59F4F7A4092F&userid=&platform=linuxx64&product=RoonServer&branding=roon&curbranch=stable&version=100500360&branch=stable
11/13 12:01:36 Info: [stats] 1854mb Virtual, 113mb Physical, 29mb Managed, 0 Handles, 28 Threads
11/13 12:01:36 Debug: [appupdater] Update not needed
11/13 12:01:37 Info: Flushing kart data to server
11/13 12:01:37 Debug: server said:
11/13 12:01:51 Info: [stats] 1855mb Virtual, 114mb Physical, 29mb Managed, 0 Handles, 26 Threads
11/13 12:02:06 Info: [stats] 1855mb Virtual, 114mb Physical, 29mb Managed, 0 Handles, 26 Threads
11/13 12:02:21 Info: [stats] 1855mb Virtual, 114mb Physical, 29mb Managed, 0 Handles, 26 Threads

So where to look next ?

Sorry for this. It was my linux FW that has missed the rules. It was a mix of iptables and ufw. After putting it all into iptables, everythis is ok.

Sorry for the ‘noise’ …

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