适用于Ubuntu12.10的源
mv /etc/apt/sources.list /etc/apt/sources.list.bak
vi /etc/apt/sources.list
deb
http://ubuntu.v2ex.com/ubuntu/ quantal main restricted universe multiverse
deb-src
http://ubuntu.v2ex.com/ubuntu/ quantal main restricted universe multiverse
deb
http://ubuntu.v2ex.com/ubuntu/ quantal-updates main restricted universe multiverse
deb-src
http://ubuntu.v2ex.com/ubuntu/ quantal-updates main restricted universe multiverse
deb
http://ubuntu.v2ex.com/ubuntu/ quantal-backports main restricted universe multiverse
deb-src
http://ubuntu.v2ex.com/ubuntu/ quantal-backports main restricted universe multiverse
deb
http://ubuntu.v2ex.com/ubuntu/ quantal-security main restricted universe multiverse
deb-src
http://ubuntu.v2ex.com/ubuntu/ quantal-security main restricted universe multiverse
deb
http://extras.ubuntu.com/ubuntu quantal main
deb-src
http://extras.ubuntu.com/ubuntu quantal main
来自：
http://www.cnbeta.com/articles/218013.htm这是一个专为移动设备优化的页面（即为了让你能够在 Google 搜索结果里秒开这个页面），如果你希望参与 V2EX 社区的讨论，你可以继续到 V2EX 上打开本讨论主题的完整版本。
https://study.congcong.us/t/55363
V2EX 是创意工作者们的社区，是一个分享自己正在做的有趣事物、交流想法，可以遇见新朋友甚至新机会的地方。
V2EX is a community of developers, designers and creative people.