Move docker data directory ubuntu

14 Dec 2021 docker docker-root

Move docker data directory Ubuntu

#== current Dir
$ sudo docker info | grep -i root
 Docker Root Dir: /var/lib/docker

#== Stop service
$ sudo service docker stop

#== add config
$ sudo vim /etc/docker/daemon.json
{ 
   "data-root": "/path/to/your/docker" 
}

$ sudo rsync -aP /var/lib/docker/ /path/to/your/docker
$ sudo mv /var/lib/docker /var/lib/docker.old

#== start service and verify
$ sudo service docker start
$ sudo docker info | grep -i root
 Docker Root Dir: /path/to/your/docker

$ sudo rm -rf /var/lib/docker.old