jindalarpan 0 Junior Poster in Training

hey all
as i wanted to go for the backup of my server having redhat fedora 4. server is running many softwares like bugzilla, dhcp server , kickstart and many more i wanted to take backup of all the server so that in worst case what should be the procedure to recover my system after installation of the operating system. what are the different file system should be backuped or different configration files that should be backuped.
i wanted to take backup on dvd drives and only wan to take back up of th configrations file and all the suported file that can be backuped for that recovery.
thanks for replyes
jindalarpan