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Thursday, October 13, 2011

How to configure PXE Server in RHEL 6 ?

Server IP settings.

IP 192.168.0.70SUBNET 255.255.255.0nmcontrolled noonboot yesDNS1=192.168.0.1

Yum install system-config-kickstart# Install the kickstart package.

system-config-kickstart# run the kickstart utility.

In the second last option you can remove text mode installation option and opt For a graphical one.

Select the http installation method

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Use the defaults.

In the disk label option choose the first option (Initialize the disk label).The partitions that I have created are like this.

Mount Point type size/boot ext4 500 swap swap 2048

/ ext4 18000

Make sure that SELinux option is disabled and Security level is set to Disable firewall.

Save the ks.cfg file to the filesystem.

Yum install –y syslinux xinetd tftp-server dhcp httpd# Install all the required packages through yum

mkdir /var/lib/tftpboot/pxelinux.cfgcp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/

vi /etc/xinetd.d/tftp# Open the xinetd settings to enable tftp server.# at line 14 set the parameter to no from yes.Disable=no

service xinetd restart# Restart the service to apply the settings made.

chkconfig xinetd on# set the service to start with each subsequent system reboots.

vi /etc/dhcp/dhcpd.conf

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# Open the file and configure the DHCP Server.

# Global OptionsAllow booting;Allow bootp;authoritative;

# Subnet definitionsubnet 192.168.0.0 netmask 255.255.255.0 {# Parameters for the local subnetoption routers 192.168.0.1;option subnet-mask 255.255.255.0;option domain-name “example.com”;option domain-name-servers 192.168.0.1;default-lease-time 21600;max-lease-time 43200;# Client IP rangerange dynamic-bootp 192.168.0.100 192.168.0.200;filename “pxelinux.0”;next-server 192.168.0.70;}

# Here the next–sever parameter is the address of the kickstart server.

service dhcpd restartChkconfig dhcpd on

# restart the service and make it permanent.

mkdir –p /var/pxe/rhel6mkdir /var/lib/tftpboot/rhel6# make some required directories.

Insert your RHEL 6 dvd

mount /dev/cdrom /mnt# Mount it to /mnt

ls –l /mnt# Check the contents to see if it is properly mounted.

cp –ivr /mnt/* /var/pxe/rhel6# copy all the contents to the /var/pxe/rhel6 directory.

umount /mnteject# after the file copy operation unmount and eject the dvd.

cp /var/pxe/rhel6/images/pxeboot/vmlinuz /var/lib/tftpboot/rhel6cp /var/pxe/rhel6/images/pxeboot/initrd.img /var/lib/tftpboot/rhel6# copy the vmlinuz and initrd.img files to the tftpboot directory.

cp /usr/share/syslinux/menu.c32 /var/lib/tftpboot/# copy the menu file.

vi /var/lib/tftpboot/pxelinux.cfg/default

timeout 100default menu.c32

menu title $$$$$$Boot Menu$$$$$$label 1 menu label ^ 1) RHEL6 kernel rhel6/vmlinuz append initrd=rhel6/initrd.img ks=http://192.168.0.70/ks/ks.cfg ksdevice=eth0

# Prepare the boot menu.

chkconfig httpd on

vi /etc/httpd/conf.d/pxeboot.conf

# create new entry

Alias /rhel6 /var/pxe/rhel6



Posted by Ajay Singh Chandi at 3:41 PM

Labels: Linux, RHEL 6, Tutorial

Options Indexes FollowSymLinks Order Deny,Allow Deny from all Allow from 127.0.0.1 192.168.0.0/24# Ip address you allow

service httpd restart(ignore the domain name error if it occurs.)

# Prepare the httpd server

mkdir /var/www/html/ks

cp /ks.cfg /var/www/html/ks/ks.cfgchmod 644 /var/www/html/ks/ks.cfg

# make the directory and copy the kickstart file to it.# and make the kickstart file globally read only.

The pxe server is ready.

Plug a computer into the network and boot it through LAN using pxe.

The client pc should have a display as below.

+1 Recommend this on Google

Replies

Reply

17 comments:

Joe January 10, 2012 at 10:36 PM

MAN!!! u people are awesome was searching for some easy method for configuring PXE boot on RHEL 6. wat so ever i got before this was hell

confusing but you gave me easy n interactive method..... thankx a ton n hats off to u...

Reply

Anonymous January 18, 2012 at 6:08 AM

Awesome .. short and sweet ... A perfect quick start guide for PXE deployment

Reply

Anonymous July 12, 2012 at 4:00 PM

I followed the above procedure to configure on my RHEL6.2 Machine. I am unable to boot through PXE.

Its giving error:

PXE-E18: Server Response timeout

What should i do? Please reply

Ajay Singh Chandi July 12, 2012 at 4:59 PM

I think that you are booting through a client which is using UEFI (Unified Extensible Firmware Interface) instead of BIOS interface.

From Wikipedia - "The Unified Extensible Firmware Interface (UEFI) is a specification that defines a software interface between an operating

system and platform firmware. UEFI is meant as a replacement for the BIOS firmware interface."

If you can give me the Client and Server Model/Make details i may be able to help you out.

Anonymous January 26, 2012 at 7:55 PM

hey bro why have you stopped adding rhel 6 tuts??? please add more tuts

Reply



Replies

Reply

Unknown July 15, 2012 at 11:58 AM

Awesome.......A perfect quick start guide for PXE deployment.

Reply

ajai July 28, 2012 at 1:24 PM

Hi..

I getting "TFTP open timeout" error

Reply

Ajay Singh Chandi July 28, 2012 at 6:20 PM

Did you specify the "next-server 192.168.0.70;" option while configuring the dhcpd.conf file?

Anonymous February 10, 2013 at 6:23 PM

If it is REDHAT 6 pls disable iptables and try.-pavan

Anonymous September 4, 2012 at 8:22 AM

hi friends please anyone help that dhcp configuration step... first am i want copy sample file from /usr/share/doc/dhcp-4.1.1/dhcpd.conf.sample? ....

after copy file when i edit it global option not available...pls

Reply

Anonymous October 6, 2012 at 2:09 AM

I would like to add a comment in the above config as i faced a issue while installing with the above procedure.

vi /etc/httpd/conf.d/pxeboot.conf

Alias /rhel6 /var/pxe/rhel6

Options Indexes FollowSymLinks

#Order Deny,Allow

#Deny from all

Allow from 127.0.0.1 192.168.0.0/24

Reply

Renjith K.M. November 1, 2012 at 2:11 PM

Simply awesome! Nothing else to say!!! :)

Reply

Anonymous November 21, 2012 at 6:07 PM

Thank you a lot .........

Reply

Anonymous November 22, 2012 at 8:45 AM

My linux teacher is a dumbass this helps me a lot....

Reply

Anonymous December 16, 2012 at 7:26 PM

If you copy and paste directly form this tutorial, you may get unexpected results and different types of double quotes are used that Linux may not

expect. Also 99% of commands start with lower case so if some of them fail while you follow along, you know why. This is done for proper sentence

structure in the tutorial. GREAT tutorial! Just a heads up to any new Linux users out there.

Reply

Anonymous January 11, 2013 at 5:47 AM

Hats off to you Sir....

Reply

Anonymous March 5, 2013 at 11:04 PM

hi I have done all step but I m restart the httpd service that time syntax error showing with /etc/httpd/conf.d/pxeboot.conf allow not allowed here.

Reply



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