1、安裝依賴包
yum install -y yum-utils device-mapper-persistent-data lvm2
2、添加Docker軟件包源
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、安裝Docker CE
yum install docker-ce
5、啓動
systemctl start docker
6、卸載
yum remove docker-ce rm -rf /var/lib/docker