升级到Ubuntu 9.04，Linux内核为2.6.27.7
你应该有意识才能进行下面的操作。
运行sudo gedit /etc/apt/sources.list
加入更新源
deb [url=http://archive.ubuntu.com/ubuntu/]http://archive.ubuntu.com/ubuntu/[/url] jaunty main restricted universe multiverse
deb [url=http://archive.ubuntu.com/ubuntu/]http://archive.ubuntu.com/ubuntu/[/url] jaunty-security main restricted universe multiverse
deb [url=http://archive.ubuntu.com/ubuntu/]http://archive.ubuntu.com/ubuntu/[/url] jaunty-updates main restricted universe multiverse
deb [url=http://archive.ubuntu.com/ubuntu/]http://archive.ubuntu.com/ubuntu/[/url] jaunty-proposed main restricted universe multiverse
deb [url=http://archive.ubuntu.com/ubuntu/]http://archive.ubuntu.com/ubuntu/[/url] jaunty-backports main restricted universe multiverse
deb-src [url=http://archive.ubuntu.com/ubuntu/]http://archive.ubuntu.com/ubuntu/[/url] jaunty main restricted universe multiverse
deb-src [url=http://archive.ubuntu.com/ubuntu/]http://archive.ubuntu.com/ubuntu/[/url] jaunty-security main restricted universe multiverse
deb-src [url=http://archive.ubuntu.com/ubuntu/]http://archive.ubuntu.com/ubuntu/[/url] jaunty-updates main restricted universe multiverse
deb-src [url=http://archive.ubuntu.com/ubuntu/]http://archive.ubuntu.com/ubuntu/[/url] jaunty-proposed main restricted universe multiverse
deb-src [url=http://archive.ubuntu.com/ubuntu/]http://archive.ubuntu.com/ubuntu/[/url] jaunty-backports main restricted universe multiverse
完成后到系统信息里看版本就变为了
版本9.04(jaunty)
内核为Linux 2.6.27.7-generic
GNOME 2.24.1
想打先锋的就上。
