docker安装2021

docker安装

文档地址

https://docs.docker.com/engine/install/centos/

安装步骤

1. 卸载原有的版本

   sudo yum remove docker 
                     docker-client 
                     docker-client-latest 
                     docker-common 
                     docker-latest 
                     docker-latest-logrotate 
                     docker-logrotate 
                     docker-engine
   

2. 安装必要

   sudo yum install -y yum-utils

3. 添加阿里云镜像

   yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

4. 安装

   sudo yum install docker-ce docker-ce-cli containerd.io

5. 启动docker

   sudo systemctl start docker

6. 启动并加入开机启动

   sudo systemctl start docker

   sudo systemctl enable docker