Carefully study LiveCDCustomization https://help.ubuntu.com/community/LiveCDCustomization.
It's recommended to build a 12.10 Ubuntu Live CD/DVD on a running 12.10 Ubuntu System.
It's also recommended to use the same architecture (e.g. i386) for the running system and the Live DVD.
sudo mkdir /opt/livecd sudo chown user:group /opt/livecd cd /opt/livecd
Download 'ubuntu-12.10-desktop-32.iso' for i686 32bit from http://releases.ubuntu.com/
and put it into your build folder.
Put all the scripts and folder from this directory into your build folder and run
After a while you'll be chrooted and get a cpan shell.
If everything went fine there should be an iso-image called
Use Virtualbox, kvm, Xen, whatever to check your new system.
You can safely ignore any error messages about sane and colord.