Boot time automated disk imaging using external drive and ubuntu

This is rush brief description. Please contact me for details. program will reside on an external drive. The program will be bootable and will prompt user for some basic info like their name. Then the program will use ubuntu to create a physical disk image of all disks in the computer and save the images to the external drive it is running from. The image will be verified and when complete will prompt the user with some basic instructions. Need by end of august.