Diskless installation/PXE installation !!!!!!!

Server hostname Name - station1
Server IP Address - 192.168.1.100
DHCP Server - 192.168.1.100
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Step-1 --> Set up DHCP Server on 192.168.1.100

# vi /etc/dhcpd.conf

ddns-update-style none;
subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.10 192.168.1.200;
option routers 192.168.1.100;
option subnet-mask 255.255.255.0;
option domain-name "example.com";
option domain-name-servers 192.168.1.100;
default-lease-time 21600;
max-lease-time 43200;
next-server 192.168.1.100;
option root-path "/tftpboot/";
filename "pxelinux.0";
}
:wq (Save this file)

# service dhcpd restart

# chkconfig dhcpd on

Step-2 --> Now Setup PEX boot.

# mkdir /tftpboot

# cp /root/pxelinux.0 /tftpboot/.

# cp /root/memdisk/ /tftpboot/.

Note: Pl scrap your mail Id's for -- ("pxelinux.0", "memdisk") files.

Step-3 --> Configure 'tftp' server

# chkconfig tftp on ( This will enable tftp from /etc/xinetd.d/tftp file )

# service xinetd restart

# /etc/init.d/dhcpd restart

Step-4 --> Setup PXE file's from the RedHat 1st cd. Insert RedHat 1st disk and copy the 'initrd.img' and 'vmlinuz' to /root directory.

# cd /root

# cp initrd.img /tftpboot/.

# cp vmlinuz /tftpboot/.
also copy and rename to

# cp initrd.img /tftpboot/fc2-initrd.img

# cp vmlinuz /tftpboot/fc2-vmlinuz

# cd /tftpboot

# mkdir pxelinux.cfg

# cd pxelinux.cfg

# touch default

# vi default

default install
# Always prompt
prompt 1
display pxeboot.msg
# Boot automatically after 30 seconds in tenths of a second
timeout 300
label local
localboot 0
label install
kernel vmlinuz
append initrd=initrd.img

:wq ( save this file )

Step-5 --> Now mount the ISO

Let's copt the RedHat ISO to /tmp directory ( ISO Name ->RHEL5.0_1.iso)

# mount -o loop -t iso9660 /tpm/RHEL5.0_1.iso /media/cdrom
# mount /dev/cdrom /media/cdrom


Step-6 --> Make NFS Share

# vi /etc/exportS

/media/cdrom *(rw,sync)

:wq (Save the file)

# service nfs restart

# chkconfig nfs on

# service dhcpd restart

Step-7 --> Now just set your client to boot from network(F12)

boot: PRESS Enter.....
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