How to replace the original Centos yum source with Alibaba source

The following column of Centos usage tutorial will introduce to you how to replace the original yum source of Centos with Alibaba source. I hope it will be helpful to you. Friends in need help!

A brief introduction to several open source sites

If you need to download some image files, For example, open source software such as CentOS or Ubuntu can be obtained through the following mirror sites in China.

Alibaba’s open source mirror station (https://opsx.alibaba.com/)

NetEase open source mirror station (http://mirrors.163.com/)

Tsinghua University Open Source Mirror Station (https://mirrors.tuna.tsinghua.edu.cn/)

Get to the point

1.Backup

[root@localhost ~]# mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

2. Download the new CentOS-Base.repo to /etc/yum.repos.d/

CentOS 5
[root@localhost ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo
CentOS 6
[root@localhost ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
CentOS 7
[root@localhost ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

3. Run yum makecache to generate cache

  [root@localhost ~]# yum clean all
    [root@localhost ~]# yum makecache
    [root@localhost ~]# yum update

Here is the explanation of yum makecache: That is to download the server's package information to the local computer and cache it.

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