https://blog.wongcw.com/2018/10/12/vultr%e5%9c%a8debian-8%e7%b3%bb%e7%bb%9f%e4%b8%8b%e4%b8%80%e9%94%ae%e5%85%a8%e8%87%aa%e5%8a%a8dd%e5%ae%89%e8%a3%85windows-8%e7%b3%bb%e7%bb%9f/