Whats the best way to update Ubuntu 9.04?

Solution 1:

I've solved the problem myself.

Download the ISO-File and mount it in a local folder:

 wget http://old-releases.ubuntu.com/releases/jaunty/ubuntu-9.04-server-amd64.iso 
 mkdir cdrom
 mount -o loop ubuntu-9.04-server-amd64.iso

Adjust the /etc/apt/sources.list and add the local folder

 deb file:///tmp/cdrom/ main

Perform an update and install update-manager-core

 apt-get update
 apt-get install update-manager-core

Now a System update from 9.04 to 9.10 and then from 9.10 to 10.04 LTS works fine!

Solution 2:

If you are useing virtulization that /dev/loop# might be unpremited to use (security reasons), however the DEB file is still on the jaunty cd so if you can mount it locally you can upload it to your server and run dpkg -i update_manager_whatever.deb for the same result.

The file is in pool/u/update-manager