CentOS虚拟机镜像7.x和8.x下载资源

centos-7.x

http://isoredirect.centos.org/centos/7/isos/x86_64/

centos-8.x

http://isoredirect.centos.org/centos/8/isos/x86_64/

注意：下载版本需要Install sources时需要配置镜像仓库地址，如http://mirrors.aliyun.com/centos/8-stream/BaseOS/x86_64/os/，图文安装参考https://linux.cn/article-11438-1.html?pr。