python相关软件安装流程图解——虚拟机安装——CentOS-7-x86_64-DVD-1810——CentOS-01下载
https://opsx.alibaba.com/mirror
https://mirrors.aliyun.com/centos/7.6.1810/isos/x86_64/CentOS-7-x86_64-DVD-1810.iso
https://mirrors.aliyun.com/centos/7.6.1810/isos/x86_64/CentOS-7-x86_64-DVD-1810.iso
原文地址:https://www.cnblogs.com/ujq3/p/10099909.html