CentOS 5 kickstart, groupinstall, startx, autologin

Install GNOME Desktop Environment

Add to [Software] -> [Package Groups]

@ Base
@ X Window System
@ GNOME Desktop Environment

Install KDE (K Desktop Environment)

Add to [Software] -> [Package Groups]

@ Base
@ X Window System
@ KDE (K Desktop Environment)

boot-right-into-graphical-interface

Add to [Script] -> [Kickstart Scripts]:

sed -i "s/^id:3:initdefault:/id:5:initdefault:/" /etc/inittab

create-none-administrative-user

Add to [Script] -> [Kickstart Scripts]:

adduser test

auto-log-on-none-administrative-user

Add to [Script] -> [Kickstart Scripts]:

sed -i "s/\[daemon\]/\[daemon\]\nAutomaticLoginEnable=true\nAutomaticLogin=test/" /etc/gdm/custom.conf

auto-system-update

Add to [Script] -> [Kickstart Scripts]:

yum update -y

Related:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/5/html/Installation_Guide/s1-kickstart2-packageselection.html