设置163源，全新最小化安装时，更改源需先yum install wget
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup cd /etc/yum.repos.d/ wget http://mirrors.163.com/.help/CentOS6-Base-163.repo yum clean all yum makecache
查看安装包
#安装包计数 rpm -qa | wc -l #安装包列表 rpm -qa | sort
陆续收集ing...
原文：http://www.cnblogs.com/wanernet/p/4651426.html