hmmm code example
Example 1: hmmm
$ docker-machine create --driver none --url=tcp://50.134.234.20:2376 custombox
$ docker-machine ls
NAME ACTIVE DRIVER STATE URL
custombox * none Running tcp://50.134.234.20:2376
Example 2: hmmm
$ docker-machine create --driver digitalocean --digitalocean-access-token xxxxx docker-sandbox
Example 3: hmmm
$ docker-machine create --driver amazonec2 --amazonec2-access-key AKI******* --amazonec2-secret-key 8T93C******* aws-sandbox