docker.md

docker daemon settings

/etc/docker/daemon.json

Limit log file size

/etc/docker/daemon.json

{
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "200m"
  }
}

Change default docker0 net

https://success.docker.com/article/How_do_I_configure_the_default_bridge_(docker0)_network_for_Docker_Engine_to_a_different_subnet

{ "bip": "172.26.0.1/16" }

docker machine

connect docker machine

eval $(docker-machine env dockerhost)

Delete docker logs

echo "" > $(docker inspect --format='{{.LogPath}}' <container_name_or_id>)

All logs

truncate -s 0 /var/lib/docker/containers/*/*-json.log

Delete all containers

docker rm $(docker ps -a -q)

Delete all images

docker rmi $(docker images -q)

List all volumes

docker inspect -f '{{ .Mounts }}' $(docker ps -q)

cleanup

docker system prune

docker container process ids

docker ps -q | xargs docker inspect --format '{{.State.Pid}}'

docker stats

docker stats