安装必要的系统工具
yum install -y yum-utils device-mapper-persistent-data lvm2
添加docker-ce安装源
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
更新yum缓存docker run hello-world
创建目录mkdir -p /etc/docker
#配置镜像加速器
tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://7lp6zmt0.mirror.aliyuncs.com"]
}
EOF
#重载服务
systemctl daemon-reload
#重启服务systemctl restart docker
验证docker run hello-world
