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1、简介

   1）首先备份Ubuntu 11.04源列表

    sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup （备份下当前的源列表，有备无患嘛）     2）修改更新源     sudo gedit /etc/apt/sources.list （打开Ubuntu 11.04源列表文件）       3）将下面的代码粘贴进去（“#”开头的那一行为注释，可以直接复制进文件中）  #台湾源    deb http://tw.archive.ubuntu.com/ubuntu/ natty main universe restricted multiverse  deb-src http://tw.archive.ubuntu.com/ubuntu/ natty main universe restricted multiverse  deb http://tw.archive.ubuntu.com/ubuntu/ natty-security universe main multiverse restricted  deb-src http://tw.archive.ubuntu.com/ubuntu/ natty-security universe main multiverse restricted  deb http://tw.archive.ubuntu.com/ubuntu/ natty-updates universe main multiverse restricted  deb-src http://tw.archive.ubuntu.com/ubuntu/ natty-updates universe main multiverse restricted #网易 Ubuntu 11.04 源（速度很快） deb http://mirrors.163.com/ubuntu/ natty main universe restricted multiverse  deb-src http://mirrors.163.com/ubuntu/ natty main universe restricted multiverse  deb http://mirrors.163.com/ubuntu/ natty-security universe main multiverse restricted  deb-src http://mirrors.163.com/ubuntu/ natty-security universe main multiverse restricted  deb http://mirrors.163.com/ubuntu/ natty-updates universe main multiverse restricted  deb http://mirrors.163.com/ubuntu/ natty-proposed universe main multiverse restricted  deb-src http://mirrors.163.com/ubuntu/ natty-proposed universe main multiverse restricted  deb http://mirrors.163.com/ubuntu/ natty-backports universe main multiverse restricted  deb-src http://mirrors.163.com/ubuntu/ natty-backports universe main multiverse restricted  deb-src http://mirrors.163.com/ubuntu/ natty-updates universe main multiverse restricted  #骨头源，骨头源是bones7456架设的一个Ubuntu源 ，提供ubuntu,deepin  deb http://ubuntu.srt.cn/ubuntu/ natty main universe restricted multiverse  deb-src http://ubuntu.srt.cn/ubuntu/ natty main universe restricted multiverse  deb http://ubuntu.srt.cn/ubuntu/ natty-security universe main multiverse restricted  deb-src http://ubuntu.srt.cn/ubuntu/ natty-security universe main multiverse restricted  deb http://ubuntu.srt.cn/ubuntu/ natty-updates universe main multiverse restricted  deb http://ubuntu.srt.cn/ubuntu/ natty-proposed universe main multiverse restricted  deb-src http://ubuntu.srt.cn/ubuntu/ natty-proposed universe main multiverse restricted  deb http://ubuntu.srt.cn/ubuntu/ natty-backports universe main multiverse restricted  deb-src http://ubuntu.srt.cn/ubuntu/ natty-backports universe main multiverse restricted  deb-src http://ubuntu.srt.cn/ubuntu/ natty-updates universe main multiverse restricted #大家可以自己根据自己的版本设置一下，不一定局限于ubuntu 11.04，下面列出一些校内更新源。 #电子科技大学 deb http://ubuntu.uestc.edu.cn/ubuntu/ natty main restricted universe multiverse deb http://ubuntu.uestc.edu.cn/ubuntu/ natty-backports main restricted universe multiverse deb http://ubuntu.uestc.edu.cn/ubuntu/ natty-proposed main restricted universe multiverse deb http://ubuntu.uestc.edu.cn/ubuntu/ natty-security main restricted universe multiverse deb http://ubuntu.uestc.edu.cn/ubuntu/ natty-updates main restricted universe multiverse deb-src http://ubuntu.uestc.edu.cn/ubuntu/ natty main restricted universe multiverse deb-src http://ubuntu.uestc.edu.cn/ubuntu/ natty-backports main restricted universe multiverse deb-src http://ubuntu.uestc.edu.cn/ubuntu/ natty-proposed main restricted universe multiverse deb-src http://ubuntu.uestc.edu.cn/ubuntu/ natty-security main restricted universe multiverse deb-src http://ubuntu.uestc.edu.cn/ubuntu/ natty-updates main restricted universe multiverse #中国科技大学 deb http://debian.ustc.edu.cn/ubuntu/ natty main restricted universe multiverse deb http://debian.ustc.edu.cn/ubuntu/ natty-backports restricted universe multiverse deb http://debian.ustc.edu.cn/ubuntu/ natty-proposed main restricted universe multiverse deb http://debian.ustc.edu.cn/ubuntu/ natty-security main restricted universe multiverse deb http://debian.ustc.edu.cn/ubuntu/ natty-updates main restricted universe multiverse deb-src http://debian.ustc.edu.cn/ubuntu/ natty main restricted universe multiverse deb-src http://debian.ustc.edu.cn/ubuntu/ natty-backports main restricted universe multiverse deb-src http://debian.ustc.edu.cn/ubuntu/ natty-proposed main restricted universe multiverse deb-src http://debian.ustc.edu.cn/ubuntu/ natty-security main restricted universe multiverse deb-src http://debian.ustc.edu.cn/ubuntu/ natty-updates main restricted universe multiverse #北京理工大学 deb http://mirror.bjtu.edu.cn/ubuntu/ natty main multiverse restricted universe deb http://mirror.bjtu.edu.cn/ubuntu/ natty-backports main multiverse restricted universe deb http://mirror.bjtu.edu.cn/ubuntu/ natty-proposed main multiverse restricted universe deb http://mirror.bjtu.edu.cn/ubuntu/ natty-security main multiverse restricted universe deb http://mirror.bjtu.edu.cn/ubuntu/ natty-updates main multiverse restricted universe deb-src http://mirror.bjtu.edu.cn/ubuntu/ natty main multiverse restricted universe deb-src http://mirror.bjtu.edu.cn/ubuntu/ natty-backports main multiverse restricted universe deb-src http://mirror.bjtu.edu.cn/ubuntu/ natty-proposed main multiverse restricted universe deb-src http://mirror.bjtu.edu.cn/ubuntu/ natty-security main multiverse restricted universe deb-src http://mirror.bjtu.edu.cn/ubuntu/ natty-updates main multiverse restricted universe #兰州大学 deb ftp://mirror.lzu.edu.cn/ubuntu/ natty main multiverse restricted universe deb ftp://mirror.lzu.edu.cn/ubuntu/ natty-backports main multiverse restricted universe deb ftp://mirror.lzu.edu.cn/ubuntu/ natty-proposed main multiverse restricted universe deb ftp://mirror.lzu.edu.cn/ubuntu/ natty-security main multiverse restricted universe deb ftp://mirror.lzu.edu.cn/ubuntu/ natty-updates main multiverse restricted universe deb ftp://mirror.lzu.edu.cn/ubuntu-cn/ natty main multiverse restricted universe #上海交通大学 deb http://ftp.sjtu.edu.cn/ubuntu/ natty main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ natty-backports main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ natty-proposed main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ natty-security main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ natty-updates main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu-cn/ natty main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ natty main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ natty-backports main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ natty-proposed main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ natty-security main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ natty-updates main multiverse restricted universe

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