配置RedHat 5的yum使用CentOS 5的源
1. 删除RedHat Linux原有的yum,运行rpm -qa|grep yum2.运行rpm -e --nodeps 删除所有跟yum有关的包3.运行:wget http://CentOS.ustc.edu.cn/centos/5/os/i386/CentOS/yum-3.2.19-18. el5.centos.noarch.rpm wget http://centos.ustc.edu.cn/centos/5/os/i386/CentOS/yum-...