How to create a custom Debian-based distro?

view full story

http://unix.stackexchange.com – I need to create a network with a small group of users. I thought about using Debian distro within computers. To automate it, I searched for automatic installation and customization tools for Linux distros. I could not find any exact matches that are suitable for my needs. How can I create an ISO image that has the programs I need? (HowTos)