Where is the Docker daemon log

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It depends on your OS. Here are the few locations, with commands for few Operating Systems:

  • Ubuntu – /var/log/upstart/docker.log
  • Boot2Docker – /var/log/docker.log
  • Debian GNU/Linux – /var/log/daemon.log
  • CentOS – /var/log/daemon.log | grep docker
  • CoreOS – journalctl -u docker.service
  • Fedora – journalctl -u docker.service
  • Red Hat Enterprise Linux Server – /var/log/messages | grep docker
  • OpenSuSE – journalctl -u docker.service
  • OSX – ~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/log/d‌​ocker.log

Note

  • Centos7 seems to log to /var/log/messages
  • On an Amazon Linux instance running their Elastic Container Service it’s /var/log/docker
  • systemd has its own logging system called the journal. The logs for the docker daemon can be viewed using $ journalctl -u docker
Rajesh Kumar
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