system wide info regarding the Docker installation. Information displayed includes the kernel version, number of containers and images.
$ docker info
Memory and CPU utilization of containers. similar to the "top" command on linux
$docker stats
To see the logs of the container
$ docker logs container_name
Look at the history of the image
$ docker history --no-trunc <imagename>
Use it to get real-time events from the server.
$ docker events
You can customize it with options
$ docker events --filter event=attach --filter event=stop --filter event=die
$ docker save --output centos.latest.tar centos:latest
$ docker save centos:latest > centos-latest.tar
check the content of .tar file by running
$ tar tvf centos-latest.tar
$ docker load <centos-latest.tar
$ docker load --input centos-latest.tar