docker-machine: no machine name, no “default” exists
问题 I downloaded and installed Docker for Windows 1.12.1 which in turn installed the docker-machine and docker-compose. I did not install "Docker Toolbox" since its a duplicate of what was installed and my system meets the requirements. Everything seems to work fine except for docker-machine, I'm running through a tutorial and when I run various docker-machine commands like "ip" or "env" I get the following message. Error: No machine name(s) specified and no "default" machine exists. So when I do