亲测可用<?xmlversion="1.0"encoding="UTF-8"?><!--LicensedtotheApacheSoftwareFoundation(ASF)underoneormorecontributorlicenseagreements.SeetheNOTICEfiledistributedwiththisworkforadditionalinformationre

1、备份mv/etc/yum.repos.d/CentOS-Base.repo/etc/yum.repos.d/CentOS-Base.repo.backup2、下载新的CentOS-Base.repo到/etc/yum.repos.d/ CentOS5wget-O/etc/yum.repos.d/CentOS-Base.repohttp://mirrors.aliyun.com/repo/Centos-5.repo或者curl-o/etc/yum.repo

阿里云源cat<CentOS-aliyun.repo<<'EOF'#CentOS-Base.repo##ThemirrorsystemusestheconnectingIPaddressoftheclientandthe#updatestatusofeachmirrortopickmirrorsthatareupdatedtoand#geographicallyclosetothecli