yum 常用安装源

epel
http://fedoraproject.org/wiki/EPEL
r
pm下载页经常不能用,所以可以本地下载

'epel-release' for EL5
'epel-release' for EL6

remi(需要先添加epel源)
http://rpms.famillecollet.com/

mysql
https://dev.mysql.com/downloads/repo/yum/

nginx
http://nginx.org/en/linux_packages.html#stable

rpmfusion
http://rpmfusion.org/Configuration

网易
http://mirrors.163.com/.help/centos.html

找到rpm包的地址然后安装,比如
yum install(localinstall) http://xxx/repo.rpm

rpm -Uvh http://mirror.bjtu.edu.cn/fedora-epel/6/i386/epel-release-6-7.noarch.rpm