1: delete all stopped docker containers
docker rm -v $(docker ps -a -q -f status=exited)
docker rm -v $(docker ps -a -q -f status=created)
2: Running an interactive shell
docker run -i -t ubuntu /bin/bash
3: List all images from a private registry
http://192.168.1.5:5000/v2/_catalog
4: List all tags of an image http://192.168.1.5:5000/v2/image name/tags/list