[TOC] ## 1.官方文档 ### 1.1卸载旧的docker ``` sudo yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-engine ``` ### 1.2通过设置docker‘s repository安装 ~~~ sudo yum install -y yum-utils sudo yum-config-manager \ --add-repo \ https://download.docker.com/linux/centos/docker-ce.repo // 如果添加repo报错 Could not fetch/save url https://download.docker.com/linux/centos/docker-ce.repo // 解决： 在/etc/yum.conf中添加sslverify=0 ~~~ ### 1.3安装Docker 下载最新版docker engine ~~~ sudo yum install docker-ce docker-ce-cli containerd.io -y ~~~ 也可以安装指定版本 ~~~ yum list docker-ce --showduplicates | sort -r sudo yum install docker-ce-<VERSION_STRING> docker-ce-cli-<VERSION_STRING> containerd.io ~~~ ### 1.4启动docker ~~~ sudo systemctl start docker ~~~ ## 2.其他安装 ### 2.1安装Docker CE * 安装需要的依赖包 ``` yum install -y yum-utils device-mapper-persistent-data lvm2 ``` * 配置稳定仓库 (使用阿里云的源) ``` yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo ``` 或者使用 ``` yum install -y yum-utils device-mapper-persistent-data lvm2 yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo yum makecache fast yum -y install docker-ce ``` ### 2.2安装Docker ``` yum install docker-ce ``` 安装指定版本的Docker ``` yum list docker-ce --showduplicates | sort -r ``` ### 2.3启动docker ``` systemctl start docker ``` ### 2.4验证 ``` docker run hello-world ```