樹莓派自帶的軟件源是
1 deb http://mirrordirector.raspbian.org/raspbian/ wheezy main contrib non-free rpi
由於網站在國外，導致下載速度非常慢，因此需要修改為國內鏡像站點即可。
Raspberry Pi(樹莓派)國內軟件源：
修改配置文件：sudo vim /etc/apt/sources.list
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