CentOS yum source modification

Modify the default CentOS yum source mirrors.163.com

1. First, the system comes back up yum source profile /etc/yum.repos.d/CentOS-Base.repo

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

1. Yum source configuration file into the folder where you

[root@localhost ~]# cd /etc/yum.repos.d/

1. 163 download source yum configuration file to the folder above

`[root@localhost yum.repos.d]``# wget http://mirrors.163.com/.help/CentOS6-Base-163.repo`

1. Run yum makecache generate cache

[root@localhost yum.repos.d]# yum makecache

1. This time to update the system will see the following information mirrors.163.com

[root@localhost yum.repos.d]# yum -y update
已加载插件：fastestmirror, refresh-packagekit, security
设置更新进程Loading mirror speeds from cached hostfile

* base: mirrors.163.com
* extras: mirrors.163.com
* updates: mirrors.163.com

Modify the default CentOS yum source mirrors.aliyun.com

1. First, the system comes back up yum source profile /etc/yum.repos.d/CentOS-Base.repo

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

1. Download ailiyun the yum source profile to /etc/yum.repos.d/

# CentOS7
[root@localhost ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
# CentOS6
[root@localhost ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo

1. Run yum makecache generate cache

[root@localhost ~]# yum makecache

1. This time to update the system will see the following information mirrors.aliyun.com

[root@localhost ~]# yum -y update
已加载插件：fastestmirror, refresh-packagekit, security
设置更新进程Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com