Archive.ubuntu.com更新服务器（欧洲，此为官方源，电信网通用户使用)：

deb http://archive.ubuntu.com/ubuntu/ hardy main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ hardy-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ hardy-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ hardy-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ hardy-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ hardy main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ hardy-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ hardy-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ hardy-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ hardy-backports main restricted universe multiverse
Ubuntu.cn99.com更新服务器（江苏省常州市电信，推荐电信用户使用）：

deb http://ubuntu.cn99.com/ubuntu/ hardy main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ hardy-security main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ hardy-updates main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ hardy-proposed main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ hardy-backports main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/ hardy main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/ hardy-security main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/ hardy-updates main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/ hardy-proposed main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/ hardy-backports main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu-cn/ hardy main restricted universe multiverse
Mirrors.shlug.org更新服务器（电信服务器，Ubuntu China Official Mirror, maintained by Shanghai Linux User Group）：

deb http://cn.archive.ubuntu.com/ubuntu hardy main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu hardy-security main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu hardy-updates main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu hardy-backports main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu hardy-proposed main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu hardy main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu hardy-security main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu hardy-updates main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu hardy-backports main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu hardy-proposed main restricted universe multiverse

Mirror.lupaworld.com更新服务器（浙江省杭州市双线服务器）：

deb http://mirror.lupaworld.com/ubuntu hardy main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu hardy-security main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu hardy-updates main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu hardy-backports main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu hardy-proposed main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu hardy main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu hardy-security main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu hardy-updates main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu hardy-backports main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu hardy-proposed main restricted universe multiverse

厦门大学更新服务器（教育网服务器）：

deb ftp://ubuntu.realss.cn/ubuntu/ hardy main restricted universe multiverse
deb ftp://ubuntu.realss.cn/ubuntu/ hardy-backports restricted universe multiverse
deb ftp://ubuntu.realss.cn/ubuntu/ hardy-proposed main restricted universe multiverse
deb ftp://ubuntu.realss.cn/ubuntu/ hardy-security main restricted universe multiverse
deb ftp://ubuntu.realss.cn/ubuntu/ hardy-updates main restricted universe multiverse
deb-src ftp://ubuntu.realss.cn/ubuntu/ hardy main restricted universe multiverse
deb-src ftp://ubuntu.realss.cn/ubuntu/ hardy-backports main restricted universe multiverse
deb-src ftp://ubuntu.realss.cn/ubuntu/ hardy-proposed main restricted universe multiverse
deb-src ftp://ubuntu.realss.cn/ubuntu/ hardy-security main restricted universe multiverse
deb-src ftp://ubuntu.realss.cn/ubuntu/ hardy-updates main restricted universe multiverse

成都市 电子科技大学更新服务器（教育网，推荐校园网和网通用户使用）：

deb http://ubuntu.uestc.edu.cn/ubuntu/ hardy main multiverse restricted universe
deb http://ubuntu.uestc.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
deb http://ubuntu.uestc.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
deb http://ubuntu.uestc.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
deb http://ubuntu.uestc.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ hardy main multiverse restricted universe
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe

== 如果无法解析uestc.edu.cn域名，请使用以下地址 ==

deb http://ubuntu.dormforce.net/ubuntu/ hardy main multiverse restricted universe
deb http://ubuntu.dormforce.net/ubuntu/ hardy-backports main multiverse restricted universe
deb http://ubuntu.dormforce.net/ubuntu/ hardy-proposed main multiverse restricted universe
deb http://ubuntu.dormforce.net/ubuntu/ hardy-security main multiverse restricted universe
deb http://ubuntu.dormforce.net/ubuntu/ hardy-updates main multiverse restricted universe
deb-src http://ubuntu.dormforce.net/ubuntu/ hardy main multiverse restricted universe
deb-src http://ubuntu.dormforce.net/ubuntu/ hardy-backports main multiverse restricted universe
deb-src http://ubuntu.dormforce.net/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src http://ubuntu.dormforce.net/ubuntu/ hardy-security main multiverse restricted universe
deb-src http://ubuntu.dormforce.net/ubuntu/ hardy-updates main multiverse restricted universe

上海市上海交通大学更新服务器（教育网，推荐校园网和网通用户使用）：

deb http://ftp.sjtu.edu.cn/ubuntu/ hardy main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universedeb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe

中国科学技术大学更新服务器（教育网，推荐校园网和网通用户使用）：

deb http://debian.ustc.edu.cn/ubuntu/ hardy main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ hardy main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe
北京市清华大学更新服务器（教育网，推荐校园网和网通用户使用）：

deb http://mirror9.net9.org/ubuntu/ hardy main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/ hardy-backports main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/ hardy-proposed main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/ hardy-security main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/ hardy-updates main multiverse restricted universe
deb-src http://mirror9.net9.org/ubuntu/ hardy main multiverse restricted universe
deb-src http://mirror9.net9.org/ubuntu/ hardy-backports main multiverse restricted universe
deb-src http://mirror9.net9.org/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src http://mirror9.net9.org/ubuntu/ hardy-security main multiverse restricted universe
deb-src http://mirror9.net9.org/ubuntu/ hardy-updates main multiverse restricted universe

沈阳市东北大学更新服务器（教育网，推荐校园网和网通用户使用）：

deb ftp://ftp.neu.edu.cn/mirror/archive.ubuntu.com/ubuntu/ hardy main multiverse restricted universe
deb ftp://ftp.neu.edu.cn/mirror/archive.ubuntu.com/ubuntu/ hardy-backports main multiverse restricted universe
deb ftp://ftp.neu.edu.cn/mirror/archive.ubuntu.com/ubuntu/ hardy-proposed main multiverse restricted universe
deb ftp://ftp.neu.edu.cn/mirror/archive.ubuntu.com/ubuntu/ hardy-security main multiverse restricted universe
deb ftp://ftp.neu.edu.cn/mirror/archive.ubuntu.com/ubuntu/ hardy-updates main multiverse restricted universe
deb-src ftp://ftp.neu.edu.cn/mirror/archive.ubuntu.com/ubuntu/ hardy main multiverse restricted universe
deb-src ftp://ftp.neu.edu.cn/mirror/archive.ubuntu.com/ubuntu/ hardy-backports main multiverse restricted universe
deb-src ftp://ftp.neu.edu.cn/mirror/archive.ubuntu.com/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src ftp://ftp.neu.edu.cn/mirror/archive.ubuntu.com/ubuntu/ hardy-security main multiverse restricted universe
deb-src ftp://ftp.neu.edu.cn/mirror/archive.ubuntu.com/ubuntu/ hardy-updates main multiverse restricted universe

中国台湾 台湾大学更新服务器（推荐网通用户使用，电信PING平均响应速度41MS。强烈推荐此源，比较完整，较少出现同步问题）：

deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-updates main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-updates main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-backports main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-backports main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-security main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-security main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-proposed main restricted universe multiverse

Mirror.vmmatrix.net更新服务器（上海市电信，推荐电信网通用户使用）：

deb http://mirror.vmmatrix.net/ubuntu/ hardy main restricted universe multiverse
deb-src http://mirror.vmmatrix.net/ubuntu/ hardy main restricted universe multiverse
deb http://mirror.vmmatrix.net/ubuntu/ hardy-updates main restricted universe multiverse
deb-src http://mirror.vmmatrix.net/ubuntu/ hardy-updates main restricted universe multiverse
deb http://mirror.vmmatrix.net/ubuntu/ hardy-backports main restricted universe multiverse
deb-src http://mirror.vmmatrix.net/ubuntu/ hardy-backports main restricted universe multiverse
deb http://mirror.vmmatrix.net/ubuntu/ hardy-security main restricted universe multiverse
deb-src http://mirror.vmmatrix.net/ubuntu/ hardy-security main restricted universe multiverse
deb http://mirror.vmmatrix.net/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src http://mirror.vmmatrix.net/ubuntu/ hardy-proposed main restricted universe multiverse

ubuntu.cnsite.org更新服务器（福建省福州市 电信）：

deb http://ubuntu.cnsite.org/ubuntu/ hardy main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/ hardy main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/ hardy-updates main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/ hardy-updates main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/ hardy-backports main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/ hardy-backports main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/ hardy-security main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/ hardy-security main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src http://ubuntu.cnsite.org/ubuntu/ hardy-proposed main restricted universe multiverse

mirror.rootguide.org更新服务器（上海市 电信）：

deb http://mirror.rootguide.org/ubuntu/ hardy main restricted universe multiverse
deb-src http://mirror.rootguide.org/ubuntu/ hardy main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/ hardy-updates main restricted universe multiverse
deb-src http://mirror.rootguide.org/ubuntu/ hardy-updates main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/ hardy-backports main restricted universe multiverse
deb-src http://mirror.rootguide.org/ubuntu/ hardy-backports main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/ hardy-security main restricted universe multiverse
deb-src http://mirror.rootguide.org/ubuntu/ hardy-security main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src http://mirror.rootguide.org/ubuntu/ hardy-proposed main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu-cn/ hardy main restricted universe multiverse

台湾的官方源速度也相当不错，有时甚至快于内地的：

deb http://tw.archive.ubuntu.com/ubuntu hardy main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu hardy-security main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu hardy-updates main restricted universe multiverse

deb http://tw.archive.ubuntu.com/ubuntu hardy-backports main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu hardy-proposed main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu hardy main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu hardy-security main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu hardy-updates main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu hardy-backports main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu hardy-proposed main restricted universe multiverse

用之前请ping一下源，测试下网速和可用性。

加源方法:打开终端-sudo gedit /etc/apt/sources.list
输入密码(你安装系统时设置的用户密码),注意密码不会显示,直接回车
把弹出的里面的内容全部清空,然后把提供的源全部粘贴上去(不含中文)
保存,关闭回到终端
输入sudo apt-get update