Linux软件源的设置方法
1 打开数据源配置文件
Sudo gedit /etc/apt/sources.list
添加相关的数据源比如 http://mirrors.aliyun.com,可以选择以下的数据源,不要写太多，否则会影响更新速度。
2.使用apt-get update更新源列表
为防止非官方源中软件包不全的问题，请在sources.list文件中尾部添加一组官方源。
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# 163
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deb http://mirrors.163.com/debian/ lenny main contrib non-free
deb-src http://mirrors.163.com/debian lenny main contrib non-free
deb http://mirrors.163.com/debian-security/ stable/updates main
deb-src http://mirrors.163.com/debian-security/ stable/updates main
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# official
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deb http://ftp.debian.org/debian/ lenny main contrib non-free
deb-src http://ftp.debian.org/debian/ lenny main contrib non-free
deb http://ftp.us.debian.org/debian/ lenny main contrib non-free
deb-src http://ftp.us.debian.org/debian/ lenny main contrib non-free
deb http://security.debian.org/ stable/updates main
deb-src http://security.debian.org/ stable/updates main
deb http://volatile.debian.org/debian-volatile stable/volatile main
deb-src http://volatile.debian.org/debian-volatile stable/volatile main
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# 台湾及大陆教育网高校等
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deb http://ftp.tw.debian.org/debian/ lenny main contrib non-free
deb-src http://ftp.tw.debian.org/debian lenny main contrib non-free
deb http://mirrors.geekbone.org/debian/ lenny main contrib non-free
deb-src http://mirrors.geekbone.org/debian/ lenny main contrib non-free
deb http://mirror.dlut.edu.cn/debian/ lenny main contrib non-free
deb-src http://mirror.dlut.edu.cn/debian/ lenny main contrib non-free
deb http://debian.csie.ntu.edu.tw/debian/ lenny main contrib non-free
deb-src http://debian.csie.ntu.edu.tw/debian/ lenny main contrib non-free
### ustc debian-multimedia
deb http://debian.ustc.edu.cn/debian-multimedia/ stable main
deb-src http://debian.ustc.edu.cn/debian-multimedia/ stable main
### ustc debian-security
deb http://debian.ustc.edu.cn/debian-security/ stable/updates main non-free contrib
deb-src http://debian.ustc.edu.cn/debian-security/ stable/updates main non-free contrib