[CentOS] replicate centos installation

Since neither anaconda nor system-config-kickstart can give a list of all packages that
has been installed, waht is the recommended way to replicate one system for
another new installation (without using hd cloning) ?

Is it possible to simply do 'rpm -qa >> my-ks.cfg' ?

When running anaconda installer, it gives system selection as well as package
grouping (desktop vs server -> gnome vs kde -> gnome-pilot etc), which file
provides these info?


Thanks!


--beast