$ docker-machine create --driver virtualbox dev Creating CA: /Users/moriyasu/.docker/machine/certs/ca.pem Creating client certificate: /Users/moriyasu/.docker/machine/certs/cert.pem Running pre-create checks... Creating machine... (dev) Creating VirtualBox VM... (dev) Creating SSH key... (dev) Starting VM... Waiting for machine to be running, this may take a few minutes... Machine is running, wait
