找到这个解决方案之前,怎么弄都跑到日本或者欧洲去下载依赖包……

动不动就是以小时计😱

参照以下配置,走国内镜像,嗖嗖地~~😁

d-i mirror/country string manual
d-i mirror/http/hostname string mirrors.163.com
d-i mirror/http/directory string /debian
d-i mirror/http/proxy string
...
# 关键
d-i apt-setup/security_host string mirrors.163.com