给树莓派换国内软件源

一共两处需要更换

第一处：/etc/apt/sources.list.d/raspi.list

jessie 以及 stretch

 

清华 deb https://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ jessie main ui 

中科大 deb https://mirrors.ustc.edu.cn/archive.raspberrypi.org/ jessie main ui

中科大 deb https://mirrors.ustc.edu.cn/archive.raspberrypi.org/ stretch main ui

清华 deb https://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ stretch main ui 默认官方源

 

第二处：/etc/apt/sources.list

stretch以及jessie

中科大 deb http://mirrors.ustc.edu.cn/raspbian/raspbian/ stretch main contrib non-free rpi

清华 deb https://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ stretch main contrib non-free rpi

中科大 deb http://mirrors.ustc.edu.cn/raspbian/raspbian/ jessie main contrib non-free rpi

清华 deb https://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ jessie main contrib non-free rpi