阿里云docker源安装docker

#!/bin/bash
#centos7用阿里云Docker Yum源在线安装指定版本的docker

1 卸载已安装的Docker和关闭防火墙和selinux

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


systemctl disable firewalld.service && systemctl stop firewalld.service
sed -i 's|SELINUX=enforcing|SELINUX=disabled|g'  /etc/selinux/config            

2 配置阿里云Docker Yum源

安装Docker依赖

sudo yum install -y yum-utils device-mapper-persistent-data lvm2

Use Aliyun Docker

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

3 安装指定版本Docker

查看docker版本

yum list docker-ce --showduplicates | grep -E -v 'plugins:|mirror|base:|extras:|updates:|Packages'|awk '{print $2}' 
yum install -y docker-ce-18.03.1.ce-1.el7.centos

4 启动docker和设置开机自启动

systemctl start docker && systemctl enable docker