ubuntu910的国内更新源
网易的：

deb http://mirror.lupaworld.com/ubuntu karmic main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu karmic-security main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu karmic-updates main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu karmic-backports main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu/ubuntu-cn karmic main restricted universe multiversedeb http://mirror.lupaworld.com/ubuntu/ karmic-proposed main restricted universe multiversedeb-src http://mirror.lupaworld.com/ubuntu karmic main restricted universe multiversedeb-src http://mirror.lupaworld.com/ubuntu karmic-security main restricted universe multiversedeb-src http://mirror.lupaworld.com/ubuntu karmic-updates main restricted universe multiversedeb-src http://mirror.lupaworld.com/ubuntu karmic-backports main restricted universe multiversedeb-src http://mirror.lupaworld.com/ubuntu/ karmic-proposed main restricted universe multiverse