I have a laptop that cannot boot from a USB drive. I found a howto on 
creating a CD that will enable a USB boot, but it is of an old distro, 
which does not have the same file structure. Anyone have a current howto 
for Ubuntu Julia ?

This is what I found for an older howto:
http://www.pendrivelinux.com/usb-boot-cd-for-ubuntu-810/