树莓派软件源在线配置工具

 https://tech.biko.pub/tool#/rpi-apt-sources

wget -qO- https://tech.biko.pub/resource/rpi-replace-apt-source-buster.sh | sudo bash

 Debian 10 (buster)

cat << EOF > /etc/apt/sources.list
deb http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ buster main non-free contrib rpi
deb-src http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ buster main non-free contrib rpi
EOF
cat << EOF > /etc/apt/sources.list.d/raspi.list
deb http://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ buster main ui
EOF