If you want to save on a CD and use the iso image for an ubuntu upgrade, mount it as a loopback device (say /mnt/ubuntu) and add the following to your /etc/apt/sources.list.
deb file:/mnt/ubuntu/ubuntu breezy main restricted
And then do a apt-get update followed by apt-get dist-upgrade.
Posted by Balaji at November 26, 2005 02:50 AM