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 (old using upstart ) – /var/log/upstart/docker.log
  • Ubuntu (new using systemd ) – sudo journalctl -fu docker.service
  • Amazon Linux AMI – /var/log/docker
  • Boot2Docker – /var/log/docker.log
  • Debian GNU/Linux – /var/log/daemon.log
  • CentOS – cat /var/log/message | 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
  • macOS – ~/Library/Containers/com.docker.docker/Data/log/vm/d‌​ocker.log
  • Windows – Get-EventLog -LogName Application -Source Docker -After (Get-Date).AddMinutes(-5) | Sort-Object Time, as mentioned here.

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