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