CentOS
1、備份
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
2、下載新的CentOS-Base.repo 到/etc/yum.repos.d/
CentOS 5
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo
CentOS 6
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
CentOS 7
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
3、之後運行yum makecache生成緩存
相關鏈接
官方主頁: http://www.centos.org/
郵件列表: http://www.centos.org/modules/tinycontent/index.php?id=16
論壇: http://www.centos.org/modules/newbb/
文檔: http://www.centos.org/docs/
Wiki: http://wiki.centos.org/