Need Help PXE Boot Server to boot Ubuntu Desktop Version!!

[Kannan]

Hi All,
I am trying to boot Ubuntu Desktop ISO using PXE Boot server in Ubuntu
10.04 desktop version.
Please find the below steps that I have followed. the following setup
worked for Partition Magic Linux distribution (for this don't need a NFS
setup).
But to boot the Ubuntu version, I have setup the NFS drive and I got the
below error. and I am thinking that is creating the problem.

*"Kernel Panic - Unable to boot root file system " with some hex codes. *
*Can anyone know how to fix this!!!*


*Server Side*
These steps were tested in *Ubuntu 10.04 LTS* version on a hardware
machine. Target Operating System is Parted Magic, this is like any other
Linux distribution.

*1) Install necessary DHCP & TFTP packages*

*                           sudo apt-get install dhcp3-server openbsd-inetd
lftp tftpd-hpa*

*2) **DHCP Setup*


   - Edit /etc/default/dhcp3-server, Ethernet interface for DHCP service

*INTERFACES="eth0"*


   - Edit /etc/dhcp3/dhcpd.conf, my  DHCP service configuration looks like


*default-lease-time 600;*

*max-lease-time 7200;*

*subnet 192.168.10.0 netmask 255.255.255.0 <255.255.255.0> {*

*    range 192.168.10.50 <192.168.10.50> 192.168.10.100;*

*    option subnet-mask 255.255.255.0 <255.255.255.0>;*

*    option routers 192.168.10.123;*

*    option broadcast-address 192.168.10.255;*

*    filename "pxelinux.0";*

*    next-server 192.168.10.123;*

*}*


   - Setup a static IP for eth0, 192.168.10.123
   - Start service

*sudo /etc/init.d/dhcp3-server restart*


   - Check status

*netstat -lu*

Output

Proto Recv-Q Send-Q Local Address           Foreign Address         State


udp        0                          0 *:bootpc
*:*


*3) Setting up TFTP *

   - Edit /etc/inetd.conf, remove #<off># from the beginning of tftp line.

*tftp    dgram   udp wait    root    /usr/sbin/in.tftpd  /usr/sbin/in.tftpd
-s /var/lib/tftpboot*


   - Enable boot service for inetd

*sudo update-inetd --enable BOOT*


   - Start service

*sudo /etc/init.d/openbsd-inetd restart*

*sudo /etc/init.d/tftpd-hpa restart*


   - Check status

*netstat -lu*

Output


Proto Recv-Q Send-Q Local Address           Foreign Address         State

udp        0                0 *:tftp                          *:*



*4) Setting up PXE boot files*

   - Download Parting Magic distribution from here
   <http://www.mmnt.net/db/0/0/194.97.2.67/pub/.disk0/filepilot/fpt/system/verschiedenes/parted_magic_pxe>

Unzip pmagic-pxe-4.5.zip. Copy your local /usr/lib/syslinux/pxelinux.0 to
/var/lib/tftpboot. Put them in following structure. Then only it will work


/var/lib/tftpboot/

 |-- pxelinux.0

 |-- pxelinux.cfg/

 |   `-- default

 `-- pmagic/

     |-- bzimage

     `-- initramfs


   -
   Edit /var/lib/tftpboot/pxelinux.cfg/default, Change these paths
   accordingly: pmagic/bzimage & pmagic/initramfs

DEFAULT partmagic


LABEL partmagic

    MENU LABEL PartMagic 4.5

    KERNEL pmagic/bzimage

    APPEND initrd=pmagic/initramfs edd=off noapic load_ramdisk=1
prompt_ramdisk=0 rw vga=791 sleep=10 loglevel=0 keymap=us livemedia


   - Setup correct permissions

*sudo chmod -r 777 /var/lib/tftpboot/*   *


5) NFS Server.. Here is the /etc/exports file content
*                /srv/install
 *(ro,async,no_root_squash,no_subtree_check)*




With regards,

Kannan. R. P,
Blog @: http://kannan4k.wordpress.com/
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