Ubuntu设置软件源

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首先说明一下什么是软件源——软件源就是一个应用程序安装库，很多很多的应用软件都在这个库里面。它可以是网络服务器，是光盘，甚至是硬盘上的一个目录。作为debian系的Ubuntu,继承了debian的deb和apt系统，只要设定好软件源，就能很方便的安装软件了。

Ubuntu官方的软件源在更新软件时速度很慢，有时会导致quering sources失败，而我们可以自己添加第三方软件源来提高更新速度。

在Ubuntu 11之前可以通过设置：System > Administration > Software Sources 来添加第三方源，然而在使用Unity的Ubuntu 12.04下，软件源找不到了，不过我们可以通过编辑sources.list文件来添加源。

打开 /etc/apt ，编辑sources.list

cd /etc/aptsudo gedit sources.list

编辑之前可以先备份一下，以备不时之需，然后就可以在文件末尾添加自己的源了，以下是一些速度较快的源

#网易 Ubuntu 源deb http://mirrors.163.com/ubuntu/ precise main universe restricted multiversedeb-src http://mirrors.163.com/ubuntu/ precise main universe restricted multiversedeb http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricteddeb-src http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricteddeb http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricteddeb http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricteddeb-src http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricteddeb http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricteddeb-src http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricteddeb-src http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted

# 骨头源，骨头源是bones7456架设的一个Ubuntu源 ，提供ubuntu,deepindeb http://ubuntu.srt.cn/ubuntu/ precise main universe restricted multiverse deb-src http://ubuntu.srt.cn/ubuntu/ precise main universe restricted multiversedeb http://ubuntu.srt.cn/ubuntu/ precise-security universe main multiverse restricteddeb-src http://ubuntu.srt.cn/ubuntu/ precise-security universe main multiverse restricteddeb http://ubuntu.srt.cn/ubuntu/ precise-updates universe main multiverse restricteddeb http://ubuntu.srt.cn/ubuntu/ precise-proposed universe main multiverse restricteddeb-src http://ubuntu.srt.cn/ubuntu/ precise-proposed universe main multiverse restricteddeb http://ubuntu.srt.cn/ubuntu/ precise-backports universe main multiverse restricteddeb-src http://ubuntu.srt.cn/ubuntu/ precise-backports universe main multiverse restricteddeb-src http://ubuntu.srt.cn/ubuntu/ precise-updates universe main multiverse restricted

# 台湾源deb http://tw.archive.ubuntu.com/ubuntu/ precise main universe restricted multiversedeb-src http://tw.archive.ubuntu.com/ubuntu/ precise main universe restricted multiversedeb http://tw.archive.ubuntu.com/ubuntu/ precise-security universe main multiverse restricteddeb-src http://tw.archive.ubuntu.com/ubuntu/ precise-security universe main multiverse restricteddeb http://tw.archive.ubuntu.com/ubuntu/ precise-updates universe main multiverse restricteddeb-src http://tw.archive.ubuntu.com/ubuntu/ precise-updates universe main multiverse restricted

# mirror.lupaworld.com的源，速度很快deb http://mirror.lupaworld.com/ubuntu/archive/ precise main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu/archive/ precise-security main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu/archive/ precise-updates main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu/archive/ precise-backports main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu/ubuntu-cn/ precise main restricted universe multiverse

# ubuntu.cn99.com源（推荐）deb http://ubuntu.cn99.com/ubuntu/ precise main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ precise-updates main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ precise-security main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ precise-backports main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu-cn/ precise main restricted universe multiverse

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