I am working through the Docker Machine User Guide over at https://docs.docker.com/v1.5/machine/. It says: You can see the machine you have created by running the docker-machine ls command again: $ docker-machine ls NAME ACTIVE DRIVER STATE URL dev * virtualbox Running tcp://192.168.99.100:2376 The * next to dev indicates that it is the active host. When I run this I don't see the * next to any ma