1、sudo nano /etc/apt/sources.list ,进入编辑页面
2、注释掉之前的源地址。
3、复制以下地址
deb http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ wheezy main contrib non-free rpi
deb-src http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ wheezy main contrib non-free rpi
deb http://mirrors.neusoft.edu.cn/raspbian/raspbian/ wheezy main contrib non-free rpi
deb-src http://mirrors.neusoft.edu.cn/raspbian/raspbian/ wheezy main contrib non-free rpi
deb http://mirrors.ustc.edu.cn/raspbian/raspbian/ wheezy main contrib non-free rpi
deb-src http://mirrors.ustc.edu.cn/raspbian/raspbian/ wheezy main contrib non-free rpi
4、在Nano编辑页面,点击鼠标右键,即可将复制内容粘贴其中。
5、ctrl+o保存
6、回车 ,ctrl+x退出
7、更新源,sudo apt-get update
8、更新软件列表,sudo apt-get upgrade
这样更新更彻底
sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get dist-upgrade -y
来源:https://www.cnblogs.com/500m/p/10668625.html