iso 镜像下载地址
https://ftp.sjtu.edu.cn/centos/8.3.2011/isos/x86_64/
https://mirrors.aliyun.com/centos/8.3.2011/isos/x86_64/
https://mirrors.ustc.edu.cn/centos/8.3.2011/isos/x86_64/
https://mirrors.njupt.edu.cn/centos/8.3.2011/isos/x86_64/
https://mirrors.163.com/centos/8.3.2011/isos/x86_64/
https://mirrors.huaweicloud.com/centos/8.3.2011/isos/x86_64/
https://mirrors.tuna.tsinghua.edu.cn/centos/8.3.2011/isos/x86_64/
https://mirrors.neusoft.edu.cn/centos/8.3.2011/isos/x86_64/
https://mirrors.cqu.edu.cn/CentOS/8.3.2011/isos/x86_64/
https://mirrors.bfsu.edu.cn/centos/8.3.2011/isos/x86_64/
https://mirrors.nju.edu.cn/centos/8.3.2011/isos/x86_64/
软件 - 安装源地址
https://ftp.sjtu.edu.cn/centos/8/BaseOS/x86_64/os/
https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/
https://mirrors.ustc.edu.cn/centos/8/BaseOS/x86_64/os/
https://mirrors.njupt.edu.cn/centos/8/BaseOS/x86_64/os/
https://mirrors.163.com/centos/8/BaseOS/x86_64/os/
https://mirrors.huaweicloud.com/centos/8/BaseOS/x86_64/os/
https://mirrors.tuna.tsinghua.edu.cn/centos/8/BaseOS/x86_64/os/
https://mirrors.neusoft.edu.cn/centos/8/BaseOS/x86_64/os/
https://mirrors.cqu.edu.cn/centos/8/BaseOS/x86_64/os/
https://mirrors.bfsu.edu.cn/centos/8/BaseOS/x86_64/os/
https://mirrors.nju.edu.cn/centos/8/BaseOS/x86_64/os/