centos yum源优化（入职小灰）

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整理下，可以做xshell脚本

优化yum源到阿里云源

CentOS

1:备份

mkdir /etc/yum.repos.d/bak -p
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/bak

2:下载新的CentOS-Base.repo 到/etc/yum.repos.d/
 

CentOS 5
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo
或
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo
CentOS 6
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
或
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
CentOS 7
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
或
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
3: yum makecache

epel 配置

1:备份epel

mv /etc/yum.repos.d/epel.repo /etc/yum.repos.d/bak
mv /etc/yum.repos.d/epelany.repo /etc/yum.repos.d/bak

2、下载repo
 

epel(RHEL 7)
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
epel(RHEL 6)
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-6.repo
epel(RHEL 5)
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-5.repo