yum install -y yum-utils device-mapper-persistent-data lvm2linux
yum-config-manager \
-add-repo \
https://download.docker.com/linux/centos/docker-ce.repodocker
yum makecache fastcentos
yum install docker-ceapp
systemctl start dockeride
yum remove docker-ce
rm -rf /var/lib/docker索引
docker inforem