#set some options

install
interactive
url --url http://vault.centos.org/5.4/os/x86_64
driverdisk --source=nfs:192.168.200.2:/linux/megasr.img
lang en_US.UTF-8
keyboard us
skipx
text 
network --device eth0 --bootproto dhcp
rootpw --iscrypted $1$FTfN8dPM$VLQZTJfblq/F7sLlcKOt7/
firewall --disabled
selinux --disabled
authconfig --enableshadow --enablemd5
timezone --utc America/Phoenix
bootloader --location=mbr
firstboot --disable
reboot