环境

CentOS Linux release 7.5.1804

安装docker-machine

base=https://github.com/docker/machine/releases/download/v0.14.0 &&
  curl -L $base/docker-machine-$(uname -s)-$(uname -m) >/tmp/docker-machine &&
  sudo install /tmp/docker-machine /usr/local/bin/docker-machine

docker-machine -v

安装 virtualbox

将ol7_addons(Oracle Linux的源)添加到yum源

cat << EOF | sudo tee /etc/yum.repos.d/ol7_addons.repo
[ol7_addons]
name=Oracle Linux $releasever Add ons (\$basearch)
baseurl=http://public-yum.oracle.com/repo/OracleLinux/OL7/addons/\$basearch/
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
gpgcheck=1
enabled=1
EOF
# Verify this manually if you're paranoid like me
sudo rpm --import http://public-yum.oracle.com/RPM-GPG-KEY-oracle-ol7
阅读全文 “在 VMware 虚拟机中的 CentOS 7 内安装 docker machine”