CentOS 7.5在线安装Docker 18.09.3软件

1、安装依赖包yum -y install yum-utils device-mapper-persistent-data lvm2

2、安装Dockeryum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo#配置安装源yum list docker-ce.x86_64 --showduplicates | sort -r#查看docker版本yum makecache fast && yum -y install docker-ce-18.09.3-3.el7#安装docker 18.09.3-3

3、启动并验证Docker是否安装成功systemctl daemon-reload && systemctl restart docker#启动dockersystemctl enable docker.service#设置开机启动docker version #查看docker版本信息