1、安装依赖包

yum install -y yum-utils device-mapper-persistent-data lvm2

2、添加Docker软件包源

yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo

3、更新yum包索引

yum makecache fast

4、安装Docker CE

yum install docker-ce

5、启动

systemctl start docker

6、卸载

yum remove docker-ce rm -rf /var/lib/docker