推荐系统镜像CentOS-7 CentOS-Stream-8 CentOS-Stream-9下载链接 【7-8-9均带桌面】

高速下载：<a class="grow" href="https://mirrors.tuna.tsinghua.edu.cn/centos/7.9.2009/isos/x86_64/CentOS-7-x86_64-DVD-2009.iso">CentOS-7-x86_64-DVD-2009.iso</a>  文件大小：4.4GB

高速下载： <a class="grow" href="https://mirrors.tuna.tsinghua.edu.cn/centos/8-stream/isos/x86_64/CentOS-Stream-8-x86_64-latest-dvd1.iso">CentOS-Stream-8-x86_64-latest-dvd1.iso</a>  文件大小：11.7GB

高速下载： <a class="grow" href="https://mirrors.tuna.tsinghua.edu.cn/centos-stream/9-stream/BaseOS/x86_64/iso/CentOS-Stream-9-latest-x86_64-dvd1.iso">CentOS-Stream-9-latest-x86_64-dvd1.iso</a> 文件大小：9.95GB

常规浏览器下载限速最高40M/s,浮动速度2-40M/s,并发500，单IP并发200，文件下载加速服务为自建CDN加速提供最高1Gbps带宽

仅提供在线下载服务不接受任何投诉及技术支持

如速度慢可选择IDM多线程下载速度极限可达100M/s，<a class="grow" href="http://filee.us/%E5%85%B6%E4%BB%96%E8%BD%AF%E4%BB%B6/IDM%E4%B8%8B%E8%BD%BD%E5%99%A8%EF%BC%88%E5%A6%82%E6%9E%9C%E6%B5%8F%E8%A7%88%E5%99%A8%E4%B8%8B%E8%BD%BD%E6%85%A2%E6%88%96%E8%80%85%E4%B8%8B%E8%BD%BD%E5%A4%B1%E8%B4%A5%E4%BD%BF%E7%94%A8%E6%AD%A4%E5%B7%A5%E5%85%B7%E4%B8%8B%E8%BD%BD%EF%BC%89.zip">IDM绿色版下载链接</a>

CentOS7一键换源

CentOS7 阿里源、163、腾讯多个可选换源脚本
bash <(curl -sL http://giie.cn/sh/Centos-7.sh)

下面是腾讯源

备份系统旧配置文件

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

获取对应版本的CentOS-Base.repo 到/etc/yum.repos.d/目录

各版本源配置列表

CentOS5

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos5_base.repo

CentOS6

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos6_base.repo

CentOS7

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos7_base.repo

CentOS8

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos8_base.repo

更新缓存

yum clean all
yum makecache
yum -y update