1. download .repo file
http://mirrors.163.com/.help/CentOS6-Base-163.repo
2. use winscp enter path /etc/yum.repo.d/
3. rename CentOS-Base.repo to any other name like CentOS-Base.repo.orig
send CentOS6-Base-163.repo to this path and rename it to CentOS-Base.repo
4. putty login centos and run instruction
yum makecache
change centos 6.x 163 source throught windows
原文：http://blog.csdn.net/zcliatb/article/details/45363313