How to create a bootable ISO from running Linux box?

view story

http://www.unix.com – Hi All, I have one query on creating bootable ISO. I have installed Centos 5.6 and done few configuration changes which is needed for deploying my App. Later I have deployed my app. Now Centos is up and running in a dedicated box along with my app. Now I want to create the bootable ISO out of this box. Is it possible to create a bootable ISO image out of running Centos Box if so could you please help me in this. Thanks, Kalai (HowTos)