February 18, 20242 yr When updating from 6.12.6 to 6.12.8 one of my dockers no longer started (SFTPGo). Turned out that one of the ports (50057) was already in use by a process: rpc.mountd. This process (AFAIK) is mainly responsible for NFS discovery. I had turned NFS support on, but no shares where exported NFS. In previous versions rpc.mountd used port 10499 (the port might be randomly assigned, but previously never in the 50000 range.- at least not on my servers). I turned NFS completely off and the docker started normally. So if you get an error like : Docker: Error response from daemon: driver failed programming external connectivity on endpoint SFTPGo (ee1aca2871bbdc630466f81d8b7a7c24ec39c91afec730ba61a050efc8cb4850): Error starting userland proxy: listen tcp6 [::]:50057: bind: address already in use. keep this in mind. Edited February 18, 20242 yr by Videodr0me
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