单独安装docker-machine
- https://docs.docker.com/machine/install-machine/?spm=5176.doc44778.2.2.cMMivQ
- 命令： curl -L https://github.com/docker/machine/releases/download/v0.8.2/docker-machine-
uname -s-uname -m>/usr/local/bin/docker-machine &&
chmod +x /usr/local/bin/docker-machine
