你想提前體驗下Ubuntu 8.10吧，那就更改源為下面的
deb http://debian.ustc.edu.cn/ubuntu/ intrepid main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ intrepid-backports main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ intrepid-proposed main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ intrepid-security main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ intrepid-updates main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ intrepid main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-backports main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-proposed main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-security main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-updates main multiverse restricted universe
然後執行
sudo apt-get update
sudo apt-get dist-upgrade
下載完就可以了。
相關閱讀：
Ubuntu 8.10 教育網源[推薦]
Ubuntu 8.10 全部源
天津大學Ubuntu 8.04 源
