腾讯云轻量国内机dd网络重装debian并改回内网软件源

dd脚本

wget https://cdn.jsdelivr.net/gh/hiCasper/Shell@master/AutoReinstall.sh && chmod +x AutoReinstall.sh && bash AutoReinstall.sh

脚本来源：https://github.com/hiCasper/Shell

原系统建议使用Ubuntu18.04镜像，运行脚本后选择Debian10

改回内网软件源

cat <<EOF > /etc/apt/sources.list
deb http://mirrors.tencentyun.com/debian/ buster main contrib non-free
deb http://mirrors.tencentyun.com/debian/ buster-updates main contrib non-free
deb http://mirrors.tencentyun.com/debian/ buster-backports main contrib non-free
deb http://mirrors.tencentyun.com/debian-security buster/updates main contrib non-free
deb-src http://mirrors.tencentyun.com/debian/ buster main contrib non-free
deb-src http://mirrors.tencentyun.com/debian/ buster-updates main contrib non-free
deb-src http://mirrors.tencentyun.com/debian/ buster-backports main contrib non-free
deb-src http://mirrors.tencentyun.com/debian-security buster/updates main contrib non-free
EOF
apt-get update

参考：http://mirrors.cloud.tencent.com/

内网软件源的好处是速度更快，不会占用公网带宽。