树莓派4B切换国内源-亲测有效

参考:https://blog.csdn.net/qq_30290661/article/details/103386997

修改/etc/apt/sources.list,去掉自带的源,添加如下源:

deb http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ buster main contrib non-free rpi
deb-src http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ buster main contrib non-free rpi

修改:/etc/apt/sources.list.d/raspi.list,去掉自带的源,添加如下源:

deb http://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ buster main ui
deb-src http://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ buster main ui

最后:

sudo apt-get update
sudo apt-get upgrade

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