树莓派 raspberry 换源

1. 更换apt-get官方源为163源
操作前做好相应备份

# sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
1
以Jessie为例，编辑/etc/apt/sources.list文件

# sudo vim /etc/apt/sources.list

# 在文件最前面，添加以下条目
deb https://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ stretch main ui
deb https://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ jessie main ui
deb https://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ stretch main contrib non-free rpi
deb https://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ jessie main contrib non-free rpi
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更新软件源

# apt-get update