ubuntu更新列表

sudo gedit /etc/apt/sources.list

# Archive.ubuntu.com 更新服务器（欧洲，此为官方源）
deb http://archive.ubuntu.com/ubuntu/  feisty main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/  feisty-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/  feisty-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/  feisty-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/  feisty-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/  feisty main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/  feisty-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/  feisty-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/  feisty-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/  feisty-backports main restricted universe multiverse

# Ubuntu.cn99.com 更新服务器（江苏省常州市电信，但有时会解析不了域名。）
deb http://ubuntu.cn99.com/ubuntu/  feisty main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/  feisty-security main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/  feisty-updates main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/  feisty-proposed main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/  feisty-backports main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/  feisty main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/  feisty-security main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/  feisty-updates main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/  feisty-proposed main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/  feisty-backports main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu-cn/  feisty main restricted universe multiverse

# mirror.rootguide.org更新服务器 (上海市 电信):
deb http://mirror.rootguide.org/ubuntu/  feisty main restricted universe multiverse
deb-src http://mirror.rootguide.org/ubuntu/  feisty main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/  feisty-updates main restricted universe multiverse
deb-src http://mirror.rootguide.org/ubuntu/  feisty-updates main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/  feisty-backports main restricted universe multiverse
deb-src http://mirror.rootguide.org/ubuntu/  feisty-backports main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/  feisty-security main restricted universe multiverse
deb-src http://mirror.rootguide.org/ubuntu/  feisty-security main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/  feisty-proposed main multiverse restricted universe
deb-src http://mirror.rootguide.org/ubuntu/  feisty-proposed main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu-cn/  feisty main multiverse restricted universe

# 台湾大学更新服务器（推荐网通用户使用，此源比较完整，较少出现同步问题)
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/  feisty main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/  feisty main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/  feisty-updates main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/  feisty-updates main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/  feisty-backports main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/  feisty-backports main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/  feisty-security main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/  feisty-security main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/  feisty-proposed main multiverse restricted universe
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/  feisty-proposed main restricted universe multiverse

# Mirror.lupaworld.com 更新服务器（浙江省杭州市电信，亚洲地区官方更新服务器）
deb http://cn.archive.ubuntu.com/ubuntu  feisty main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu  feisty-security main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu  feisty-updates main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu  feisty-backports main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu  feisty-proposed main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu  feisty main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu  feisty-security main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu  feisty-updates main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu  feisty-backports main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu  feisty-proposed main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/ubuntu-cn  feisty 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/  feisty main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/  feisty main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/  feisty-updates main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/  feisty-updates main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/  feisty-backports main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/  feisty-backports main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/  feisty-security main restricted universe multiverse
deb-src http://ubuntu.cnsite.org/ubuntu/  feisty-security main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu/  feisty-proposed main multiverse restricted universe
deb-src http://ubuntu.cnsite.org/ubuntu/  feisty-proposed main restricted universe multiverse
deb http://ubuntu.cnsite.org/ubuntu-cn/  feisty 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/  feisty main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/  feisty-backports main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/  feisty-proposed main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/  feisty-security main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu/  feisty-updates main multiverse restricted universe
deb-src http://mirror9.net9.org/ubuntu/  feisty main multiverse restricted universe
deb-src http://mirror9.net9.org/ubuntu/  feisty-backports main multiverse restricted universe
deb-src http://mirror9.net9.org/ubuntu/  feisty-proposed main multiverse restricted universe
deb-src http://mirror9.net9.org/ubuntu/  feisty-security main multiverse restricted universe
deb-src http://mirror9.net9.org/ubuntu/  feisty-updates main multiverse restricted universe
deb http://mirror9.net9.org/ubuntu-cn/  feisty main multiverse restricted universe

sudo apt-get update
sudo apt-get upgrade