树莓派3B国内软件源
先使用官方源进行一次update
查看系统版本(非常重要)
lsb_release -c
换源
sudo nano /etc/apt/sources.list
deb https://mirrors.ustc.edu.cn/raspbian/raspbian/ buster main contrib non-free
deb-src https://mirrors.ustc.edu.cn/raspbian/raspbian/ buster main contrib non-free
#deb http://raspbian.raspberrypi.org/raspbian/ buster main contrib non-free rpi
sudo nano /etc/apt/sources.list.d/raspi.list
deb http://mirrors.ustc.edu.cn/archive.raspberrypi.org/debian/ buster main ui
deb https://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ buster main ui
#deb http://archive.raspberrypi.org/debian/ buster main
更新
sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
加个新架构
dpkg --add-architecture arm
