uname -r2.升级yum
yum update3.安装需要的软件包
yum install -y yum-utils device-mapper-persistent-data lvm24.设置yum源
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo5.安装docker
yum list docker
;
yum search socker
yum list docker-ce --showduplicates | sort -r
yum install docker-ce-18.06.1.ce6.启动并加入开机启动
systemctl start docker
systemctl enable docker7.验证安装是否成功
docker version



