使用网易的yum源

首先备份/etc/yum.repos.d/CentOS-Base.repo     mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup 下载对应版本repo文件, 放入/etc/yum.repos.d/(操作前请做好相应备份) http://mirrors.163.com/.help/CentOS5-Base-163.repo http://mirrors.163.com/.help/CentOS6-Base-163.repo 运行以下命令生成缓存     yum clean all     yum makecache