ubuntu 12.04 修改源(ubuntu设置代理)
大家好，今天小编来为大家解答ubuntu 12.04 修改源这个问题，ubuntu设置代理很多人还不知道，现在让我们一起来看看吧！
ubuntu12.04更新源(ubuntu 9 10 更新源)
Ubuntu 10（Karmic Koala）的安装流程如下：
1.下载Ubuntu 10桌面版ISO镜像文件，使用Nero或其他CD/DVD刻录软件刻录至空白光盘。
2.重启电脑，从光盘启动，并按F8、F11或F12键进入启动设备设置，将光盘设为启动设备。
3.选择语言版本并点击下一步。
4.选择安装Ubuntu系统，点击下一步。
5.在安装窗口中选择你使用的语言。
6.选择安装位置，包括国家、时区等信息，点击下一步。
7.在键盘布局页面中，选择默认布局。点击下一步继续。
8.进行硬盘分区，根据个人需求选择不同的分区选项，并点击下一步。
9.填写真实姓名、登录用户名、密码以及计算机名。勾选“自动登录”选项可实现系统启动自动登录。
10.点击下一步，确认硬盘分区信息。
11.进入用户信息填写页面，包括姓名、用户名、密码和计算机名，选择自动登录选项。
12.点击下一步，最后确认安装路径和加载程序选择。
13.点击安装选项，开始安装流程。
14.安装完成后，点击立即重启，关闭安装光盘。
15.重启电脑后，输入用户名登录系统，进入Ubuntu桌面。
紧急求助:UBUNTU12.04软件索引已经损坏,怎么修改
在软件中心安装卸载不了软件，打开更新管理器后出现：软件索引已经损坏，无法安装或删除任何软件。请使用新立得软件包管理器或在终端运行"sudo apt-get install-f"来修正这个问题。
，在终端输入sudo apt-get install-f后，出现：www@www-desktop:~$ sudo apt-get install-f
正在读取软件包列表...完成
正在分析软件包的依赖关系树
正在读取状态信息...完成
下列软件包将被【卸载】：
ttf-mscorefonts-installer
升级了 0个软件包，新安装了 0个软件包，要卸载 1个软件包，有 0个软件包未被升级。
有 1个软件包没有被完全安装或卸载。
解压缩后会消耗掉 0 B的额外空间。
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 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
