https://wiki.centos.org/AdditionalResources/Repositories
scientific linux常用源官方指引
https://www.scientificlinux.org/community/unofficial-resources/
1:安装YUM优先级插件
yum install yum-priorities.noarh
2:安装EPEL
wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-5[67].noarch.rpm
rpm -Uvh epel-release-latest-5.noarch.rpm
3:安装REMI,依赖于EPEL源,主要用于PHP,Mysql安装
wget http://rpms.remirepo.net/enterprise/remi-release-5[67].rpm
rpm -Uvh remi-release-5[67].rpm
4:安装rpmforge
在此处选择正确的版本下载
rpm -Uvh XXX.rpm
5:对于scientific linux
yum search yum-conf 列出源
yum install yum-conf-XXX
yum repolist 查看使用了哪些源