树莓派更新源
树莓派更换更新源
备份
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
sudo cp /etc/apt/sources.list.d/raspi.list /etc/apt/sources.list.d/raspi.list.bak
编辑文件
sudo nano /etc/apt/sources.list
注释第一行在后面添加
deb http://mirrordirector.raspbian.org/raspbian/ jessie main contrib non-free rpi......