树莓派更改更新源

树莓派默认的源

/etc/apt/sources.list

deb http://mirrordirector.raspbian.org/raspbian/ wheezy main contrib non-free r$
# Uncomment line below then 'apt-get update' to enable 'apt-get source'
#deb-src http://archive.raspbian.org/raspbian/ wheezy main contrib non-free rpi

更改为国内ustc的：

deb http://mirrors.ustc.edu.cn/raspbian/raspbian/ wheezy main non-free contrib
deb-src http://mirrors.ustc.edu.cn/raspbian/raspbian/ wheezy main non-free contrib

或者其他国内源

中山大学

Raspbian http://mirror.sysu.edu.cn/raspbian/raspbian/

清华大学

Raspbian http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/

华中科技大学

Raspbian http://mirrors.hustunique.com/raspbian/raspbian/

Arch Linux ARM http://mirrors.hustunique.com/archlinuxarm/

大连东软信息学院源
Raspbian http://mirrors.neusoft.edu.cn/raspbian/raspbian/