sudo nano /etc/apt/sources.list #编辑sources.list 文件
#以下内容为源，其他源同样加入
#阿里云
deb http://mirrors.aliyun.com/raspbian/raspbian/ wheezy main non-free contribdeb-src http://mirrors.aliyun.com/raspbian/raspbian/ wheezy main non-free contrib
#清华
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
#东软
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
#中科大
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
#ctrl+D,Ctrl+X,Y，保存编辑
sudo apt-get update && apt-get upgrade -y #更新系统软件 并 更新已
要装MYSql必须只能用下面的源
deb http://mirrors.aliyun.com/raspbian/raspbian/ wheezy main non-free contrib
deb-src http://mirrors.aliyun.com/raspbian/raspbian/ wheezy main non-free contrib
deb http://mirrors.aliyun.com/raspbian/raspbian/ jessie main contrib non-free rpi
