CentOS-6 失效源替换

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo-backup
wget -O /etc/yum.repos.d/CentOS-Base.repo http://file.kangle.odata.cc/repo/Centos-6.repo
wget -O /etc/yum.repos.d/epel.repo http://file.kangle.odata.cc/repo/epel-6.repo
yum clean all
yum makecache