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   alt.os.development      Operating system development chatter      4,255 messages   

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   Message 3,595 of 4,255   
   Peter Wall to All   
   [docker] logging driver: journald vs sys   
   11 Jan 23 12:05:04   
   
   From: peter@oet.sold   
      
   $ cat test2   
   #!/bin/bash   
   for suffix in journald syslog; do   
        cat daemon-$suffix.json   
        sudo ln -sf $PWD/daemon-$suffix.json /etc/docker/daemon.json   
        sudo systemctl restart docker   
      
        echo docker run...   
        docker run --rm bash echo "$(date) stdDOCKERout"   
        docker run --rm bash -c 'echo "$(date) stdDOCKERerr" > /dev/stderr'   
      
        echo journalctl grep...   
        (journalctl --output cat -b | grep stdDOCKER || echo RECORD NOT   
   FOUND) | tail -n2   
   done   
      
   $ test2   
   {   
        "log-driver": "journald",   
        "log-opts": {   
            "tag": "{{.ImageName}}/{{.Name}}/{{.ID}}"   
        }   
   }   
   docker run...   
   mar 10 gen 2023, 12:59:47, CET stdDOCKERout   
   Tue Jan 10 11:59:48 UTC 2023 stdDOCKERerr   
   journalctl grep...   
   mar 10 gen 2023, 12:59:47, CET stdDOCKERout   
   Tue Jan 10 11:59:48 UTC 2023 stdDOCKERerr   
   {   
        "log-driver": "syslog",   
        "log-opts": {   
            "tag": "{{.ImageName}}/{{.Name}}/{{.ID}}"   
        }   
   }   
   docker run...   
   mar 10 gen 2023, 12:59:53, CET stdDOCKERout   
   Tue Jan 10 11:59:54 UTC 2023 stdDOCKERerr   
   journalctl grep...   
   mar 10 gen 2023, 12:59:53, CET stdDOCKERout   
   Tue Jan 10 11:59:54 UTC 2023 stdDOCKERerr   
      
   OK!!!   
   It even seems to work with both logging drivers (journald and syslog).   
   So where is the difference?   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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