ubuntu12.04怎么改变更新源

1 、首先备份 Ubuntu12.04 源列表

sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup （备份下当前的源列表）

2 、修改更新源

sudo gedit /etc/apt/sources.list （打开 Ubuntu 12.04 源列表文件）

3 、把里面的列表替换成下面的列表

163 源

deb http://mirrors.163.com/ubuntu/ precise main restricted

deb-src http://mirrors.163.com/ubuntu/ precise main restricted

deb http://mirrors.163.com/ubuntu/ precise-updates main restricted

deb-src http://mirrors.163.com/ubuntu/ precise-updates main restricted

deb http://mirrors.163.com/ubuntu/ precise universe

deb-src http://mirrors.163.com/ubuntu/ precise universe

deb http://mirrors.163.com/ubuntu/ precise-updates universe

deb-src http://mirrors.163.com/ubuntu/ precise-updates universe

deb http://mirrors.163.com/ubuntu/ precise multiverse

deb-src http://mirrors.163.com/ubuntu/ precise multiverse

deb http://mirrors.163.com/ubuntu/ precise-updates multiverse

deb-src http://mirrors.163.com/ubuntu/ precise-updates multiverse

deb http://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse

deb http://mirrors.163.com/ubuntu/ precise-security main restricted

deb-src http://mirrors.163.com/ubuntu/ precise-security main restricted

deb http://mirrors.163.com/ubuntu/ precise-security universe

deb-src http://mirrors.163.com/ubuntu/ precise-security universe

deb http://mirrors.163.com/ubuntu/ precise-security multiverse

deb-src http://mirrors.163.com/ubuntu/ precise-security multiverse

deb http://extras.ubuntu.com/ubuntu precise main

deb-src http://extras.ubuntu.com/ubuntu precise main

sohu 源

deb http://mirrors.sohu.com/ubuntu/ precise main restricted

deb-src http://mirrors.sohu.com/ubuntu/ precise main restricted

deb http://mirrors.sohu.com/ubuntu/ precise-updates main restricted

deb-src http://mirrors.sohu.com/ubuntu/ precise-updates main restricted

deb http://mirrors.sohu.com/ubuntu/ precise universe

deb-src http://mirrors.sohu.com/ubuntu/ precise universe

deb http://mirrors.sohu.com/ubuntu/ precise-updates universe

deb-src http://mirrors.sohu.com/ubuntu/ precise-updates universe

deb http://mirrors.sohu.com/ubuntu/ precise multiverse

deb-src http://mirrors.sohu.com/ubuntu/ precise multiverse

deb http://mirrors.sohu.com/ubuntu/ precise-updates multiverse

deb-src http://mirrors.sohu.com/ubuntu/ precise-updates multiverse

deb http://mirrors.sohu.com/ubuntu/ precise-backports main restricted universe multiverse

deb-src http://mirrors.sohu.com/ubuntu/ precise-backports main restricted universe multiverse

deb http://mirrors.sohu.com/ubuntu/ precise-security main restricted

deb-src http://mirrors.sohu.com/ubuntu/ precise-security main restricted

deb http://mirrors.sohu.com/ubuntu/ precise-security universe

deb-src http://mirrors.sohu.com/ubuntu/ precise-security universe

deb http://mirrors.sohu.com/ubuntu/ precise-security multiverse

deb-src http://mirrors.sohu.com/ubuntu/ precise-security multiverse

deb http://extras.ubuntu.com/ubuntu precise main

deb-src http://extras.ubuntu.com/ubuntu precise main

ubuntu.cn99.com 源（推荐） :

deb http://ubuntu.cn99.com/ubuntu/ precise main restricted universe multiverse

deb http://ubuntu.cn99.com/ubuntu/ precise-updates main restricted universe multiverse

deb http://ubuntu.cn99.com/ubuntu/ precise-security main restricted universe multiverse

deb http://ubuntu.cn99.com/ubuntu/ precise-backports main restricted universe multiverse

deb http://ubuntu.cn99.com/ubuntu-cn/ precise main restricted universe multiverse

教育网源

如果你是在校大学生，可以使用校园网 / 教育网，就是用教育网的资源吧，尤其是支持 ipv6 的，那更新速度就按兆算了。

# 电子科技大学

deb http://ubuntu.uestc.edu.cn/ubuntu/ precise main restricted universe multiverse

deb http://ubuntu.uestc.edu.cn/ubuntu/ precise-backports main restricted universe multiverse

deb http://ubuntu.uestc.edu.cn/ubuntu/ precise-proposed main restricted universe multiverse

deb http://ubuntu.uestc.edu.cn/ubuntu/ precise-security main restricted universe multiverse

deb http://ubuntu.uestc.edu.cn/ubuntu/ precise-updates main restricted universe multiverse

deb-src http://ubuntu.uestc.edu.cn/ubuntu/ precise main restricted universe multiverse

deb-src http://ubuntu.uestc.edu.cn/ubuntu/ precise-backports main restricted universe multiverse

deb-src http://ubuntu.uestc.edu.cn/ubuntu/ precise-proposed main restricted universe multiverse

deb-src http://ubuntu.uestc.edu.cn/ubuntu/ precise-security main restricted universe multiverse

deb-src http://ubuntu.uestc.edu.cn/ubuntu/ precise-updates main restricted universe multiverse

# 中国科技大学

deb http://debian.ustc.edu.cn/ubuntu/ precise main restricted universe multiverse

deb http://debian.ustc.edu.cn/ubuntu/ precise-backports restricted universe multiverse

deb http://debian.ustc.edu.cn/ubuntu/ precise-proposed main restricted universe multiverse

deb http://debian.ustc.edu.cn/ubuntu/ precise-security main restricted universe multiverse

deb http://debian.ustc.edu.cn/ubuntu/ precise-updates main restricted universe multiverse

deb-src http://debian.ustc.edu.cn/ubuntu/ precise main restricted universe multiverse

deb-src http://debian.ustc.edu.cn/ubuntu/ precise-backports main restricted universe multiverse

deb-src http://debian.ustc.edu.cn/ubuntu/ precise-proposed main restricted universe multiverse

deb-src http://debian.ustc.edu.cn/ubuntu/ precise-security main restricted universe multiverse

deb-src http://debian.ustc.edu.cn/ubuntu/ precise-updates main restricted universe multiverse

# 北京理工大学

deb http://mirror.bjtu.edu.cn/ubuntu/ precise main multiverse restricted universe

deb http://mirror.bjtu.edu.cn/ubuntu/ precise-backports main multiverse restricted universe

deb http://mirror.bjtu.edu.cn/ubuntu/ precise-proposed main multiverse restricted universe

deb http://mirror.bjtu.edu.cn/ubuntu/ precise-security main multiverse restricted universe

deb http://mirror.bjtu.edu.cn/ubuntu/ precise-updates main multiverse restricted universe

deb-src http://mirror.bjtu.edu.cn/ubuntu/ precise main multiverse restricted universe

deb-src http://mirror.bjtu.edu.cn/ubuntu/ precise-backports main multiverse restricted universe

deb-src http://mirror.bjtu.edu.cn/ubuntu/ precise-proposed main multiverse restricted universe

deb-src http://mirror.bjtu.edu.cn/ubuntu/ precise-security main multiverse restricted universe

deb-src http://mirror.bjtu.edu.cn/ubuntu/ precise-updates main multiverse restricted universe

方法/步骤

打开设置》》软件和更新，

下载自：下拉菜单，选择其他站点

你可以选择最佳服务器，也可以指定你满意的服务器。

选择之后要求输入密码

选择关闭，之后会重新自动执行更新命令（sudo apt-get update）

更新完成

1 、首先备份 Ubuntu12.04 源列表 sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup （备份下当前的源列表） 2 、修改更新源 sudo gedit /etc/apt/sources.list （打开 Ubuntu 12.04 源列表文件） 3 、把里面的列表替换成下面的列表 163 源 deb precise main restricted deb-src precise main restricted deb precise-updates main restricted deb-src precise-updates main restricted deb precise universe deb-src precise universe deb precise-updates universe deb-src precise-updates universe deb precise multiverse deb-src precise multiverse deb precise-updates multiverse deb-src precise-updates multiverse deb precise-backports main restricted universe multiverse deb-src precise-backports main restricted universe multiverse deb precise-security main restricted deb-src precise-security main restricted deb precise-security universe deb-src precise-security universe deb precise-security multiverse deb-src precise-security multiverse deb precise main deb-src precise main sohu 源 deb precise main restricted deb-src precise main restricted deb precise-updates main restricted deb-src precise-updates main restricted deb precise universe deb-src precise universe deb precise-updates universe deb-src precise-updates universe deb precise multiverse deb-src precise multiverse deb precise-updates multiverse deb-src precise-updates multiverse deb precise-backports main restricted universe multiverse deb-src precise-backports main restricted universe multiverse deb precise-security main restricted deb-src precise-security main restricted deb precise-security universe deb-src precise-security universe deb precise-security multiverse deb-src precise-security multiverse deb precise main deb-src precise main ubuntu.cn99.com 源（推荐） : deb precise main restricted universe multiverse deb precise-updates main restricted universe multiverse deb precise-security main restricted universe multiverse deb precise-backports main restricted universe multiverse deb precise main restricted universe multiverse 教育网源 如果你是在校大学生，可以使用校园网 / 教育网，就是用教育网的资源吧，尤其是支持 ipv6 的，那更新速度就按兆算了。 # 电子科技大学 deb precise main restricted universe multiverse deb precise-backports main restricted universe multiverse deb precise-proposed main restricted universe multiverse deb precise-security main restricted universe multiverse deb precise-updates main restricted universe multiverse deb-src precise main restricted universe multiverse deb-src precise-backports main restricted universe multiverse deb-src precise-proposed main restricted universe multiverse deb-src precise-security main restricted universe multiverse deb-src precise-updates main restricted universe multiverse # 中国科技大学 deb precise main restricted universe multiverse deb precise-backports restricted universe multiverse deb precise-proposed main restricted universe multiverse deb precise-security main restricted universe multiverse deb precise-updates main restricted universe multiverse deb-src precise main restricted universe multiverse deb-src precise-backports main restricted universe multiverse deb-src precise-proposed main restricted universe multiverse deb-src precise-security main restricted universe multiverse deb-src precise-updates main restricted universe multiverse # 北京理工大学 deb precise main multiverse restricted universe deb precise-backports main multiverse restricted universe deb precise-proposed main multiverse restricted universe deb precise-security main multiverse restricted universe deb precise-updates main multiverse restricted universe deb-src precise main multiverse restricted universe deb-src precise-backports main multiverse restricted universe deb-src precise-proposed main multiverse restricted universe deb-src precise-security main multiverse restricted universe deb-src precise-updates main multiverse restricted universe

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