List all the docker machine:
docker-machine ls
Can check ‘ip‘ and ‘status‘:
docker-machine ip default
docker-machine status default
List the running container we have:
docker ps
Switch to another docker machine: defualt
docker-machine env default
List all the ‘docker-machine‘ commons:
docker-machine
Start and stop the docker machine:
docker-machine stop default
docker-machine start default
原文：http://www.cnblogs.com/Answer1215/p/5385353.html