分秒必争

在源中加入下列软件源deb http://archive.ubuntu.com/ubuntu/ intrepid main restricted universe multiverse

deb http://archive.ubuntu.com/ubuntu/ intrepid-security main restricted universe multiverse

deb http://archive.ubuntu.com/ubuntu/ intrepid-updates main restricted universe multiverse

deb http://archive.ubuntu.com/ubuntu/ intrepid-proposed main restricted universe multiverse

deb http://archive.ubuntu.com/ubuntu/ intrepid-backports main restricted universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ intrepid main restricted universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ intrepid-security main restricted universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ intrepid-updates main restricted universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ intrepid-proposed main restricted universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ intrepid-backports main restricted universe multiverse

然后在在终端里输入升级命令

sudo update-manager -dc

你的将会成为Ubuntu 8.10的小白鼠了,最说提醒一下,做鼠有危险,升级须谨慎