yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager \
-add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
yum makecache fast
yum install docker-ce
systemctl start docker
yum remove docker-ce
rm -rf /var/lib/docker
docker info
原文：http://blog.51cto.com/jazzdaum/2317206