https://blog.wongcw.com/2021/09/28/vmshell%e5%8d%b3%e6%97%a5%e8%b5%b7%e5%9c%8b%e6%85%b6%e6%9c%9f%e9%96%93%e6%af%8f%e6%97%a5%e5%85%8d%e8%b2%bb%e6%8a%bd%e9%80%81%e8%99%9b%e6%93%ac%e5%af%a6%e9%ab%94visa%e7%92%b0%e7%90%83%e9%87%91/