How to install Alibaba Cloud image source on Centos7 system (detailed process, simple and clear)

1. Verify that the network can connect to the Alibaba Cloud mirror

# 验证网络是否可以连接阿里云镜像
ping mirrors.aliyun.com

1.1 Check whether the ping is successful:

2 Manual configuration

2.1 Delete the original yum source

# 删除原yum源
rm -rf /etc/yum.repos.d/*

2.2 Download the Aliyun Centos-7.repo file

# wget命令下载: wget [options] [url]
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
# curl命令下载: curl [options] [url]
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

2.3 Clear and generate cache

# 清除yum缓存
yum clean all
# 缓存阿里云镜像
yum makecache

3 Script layout

# 创建shell脚本文件
vi /opt/aliyun_yum.sh

Insert the following:

#!/bin/bash

# 删除原