VirtualBox centos7.9下载安装网络配置 自留

1.Virtual Box下载：https://www.virtualbox.org/wiki/Downloads
安装默认，可以选择自己的硬盘（纯属个人习惯，不喜欢放在C盘）
2.centos7.9下载：https://mirrors.aliyun.com/centos/7.9.2009/isos/x86_64/CentOS-7-x86_64-DVD-2009.iso
centos7.9安装教程：*****https://blog.csdn.net/yjw123456/article/details/114952924?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522164700464616781683916998%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=164700464616781683916998&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2_allfirst_rank_ecpm_v1~rank_v31_ecpm-2-114952924.first_rank_v2_pc_rank_v29&utm_term=centos7.9%E7%BD%91%E7%BB%9C%E9%85%8D%E7%BD%AEvirtualbox&spm=1018.2226.3001.4187
centos7.9网络配置：**https://blog.csdn.net/aa390481978/article/details/103198785?utm_medium=distribute.pc_relevant.none-task-blog-2_defaultbaidujs_utm_term~default-5.pc_relevant_default&spm=1001.2101.3001.4242.4&utm_relevant_index=8
注：Win10系统直接在搜索栏中“网络连接”可以看到VirtualBox Host-Only Network的网络适配器