[CentOS] kickstart installation problem

Tue Jul 10 06:30:59 UTC 2012
jiten jha <jitenjha11 at googlemail.com>

Dear Friends,

I have centos 6.2 64 bit os in my dell server. When I try to install centos
or scientific linux using NFS so it is not working and getting me error =
"unable to download kickstart file".
My kickstart file configuration is :

#platform=x86, AMD64, or Intel EM64T
# Firewall configuration
firewall --disabled
# Install OS instead of upgrade
# Use NFS installation media
nfs --server= --dir=/nfs/os/ks.cfg
# Root password
rootpw --iscrypted $1$3T0pmlXY$G/jNJD/2eWwNJhEraJIrl0
# System authorization information
auth  --useshadow  --passalgo=sha512
# Use graphical install
# Run the Setup Agent on first boot
firstboot --enable
# System keyboard
keyboard us
# System language
lang en_US
# SELinux configuration
selinux --disabled
# Installation logging level
logging --level=info
# Reboot after installation
# System timezone
timezone  Asia/Kolkata
# Network information
network  --bootproto=dhcp --device=eth0 --onboot=on
# System bootloader configuration
bootloader --location=mbr
# Clear the Master Boot Record
# Partition clearing information
clearpart --all
# Disk partitioning information
part /boot --fstype="ext4" --size=200
part swap --fstype="swap" --size=4096
part / --fstype="ext4" --grow --size=1

network installation using NFS kickstart following setps i am using

   - system-config-kickstart
   - system-config-nfs
   - /etc/init.d/nfs restart
   - mkdir -p /nfs/os/
   - mkdir /mnt/iso/
   - mount -t iso9660 /root/Desktop/Centos-64-DVD.iso /mnt/iso/ -o loop
   - cp -Rp /mnt/iso/* /nfs/os/
   - vim /etc/exports/
   - /nsf/os/,sync)
   - exportfs -a
   - exportfs -v
   - /etc/init.d/nfs restart .
   - When I boot my pc using centos and in a boot option I put "

So it is giving my error could not find kernel image

When I put ks.cfg file in /nfs/os/ks.cfg Then it is giving me error "
Unable to download kickstart file"

I have check all configuration .
Even I search on google but not getting any good idea or solution.

Please help me .

Jitendra Jha