Configuring PXE Server and Installing system with Kickstart files

KickStart With Anaconda and its method

Creating a kickststart system file and its installation.

Getting ready

$ vagrant up
$ vagrant ssh

How to do it

Now first disable some process

Firewall

$ sudo systemctl disable firewalld

Iptables

$ sudo systemctl mask iptables

SELinux

$ sudo vi /etc/sysconfig/selinux

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these three values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted
:wq

Reboot the system

Now install some package

$ sudo yum install dhcpd xinetd vsftpd tftp-server tftp

Now configure the service

$ systemctl enable dhcp vsftpd xinetd 
$ systemctl enable tftp.socket

Now copy the centos package

$ sudo mount -t iso9660 CentOS-7-x86_64-DVD-1511.iso /mnt/new

$ sudo cp -av /mnt/new/* /var/ftp/pub

Now configure kickstart file

Encode for client root password

$ sudo openssl passwd -1 "000000"
$1$SJZmjGr1$4dpC3vD/j4HCed/I5s1O91

$ sudo vim /var/ftp/pub/ks.cfg

#platform=x86, AMD64, or Intel EM64T
 #version=DEVEL
 # Firewall configuration
 firewall --disabled
 # Install OS instead of upgrade
 install
 # Use NFS installation media
 url --url="ftp://192.168.4.44/pub/"
 # Root password [i used here 000000]
 rootpw --iscrypted $1$SJZmjGr1$4dpC3vD/j4HCed/I5s1O91.
 # System authorization information
 auth  useshadow  passalgo=sha512
 # Use graphical install
 graphical
 firstboot disable
 # System keyboard
 keyboard us
 # System language
 lang en_US
 # SELinux configuration
 selinux disabled
 # Installation logging level
 logging level=info
# System timezone
 timezone Europe/Amsterdam
 # System bootloader configuration
 bootloader location=mbr
 clearpart --all --initlabel
 part swap --asprimary --fstype="swap" --size=1024
 part /boot --fstype xfs --size=200
 part pv.01 --size=1 --grow
 volgroup rootvg01 pv.01
 logvol / --fstype xfs --name=lv01 --vgname=rootvg01 --size=1 --grow

Now configure the tftp server file

$ sudo vim /etc/xinetd.d/tftp

service tftp
 {
 socket_type             = dgram
 protocol                = udp
 wait                    = yes
 user                    = root
 server                  = /usr/sbin/in.tftpd
 server_args             = -s /var/lib/tftpboot
 disable                 = no
 per_source              = 11
 cps                     = 100 2
 flags                   = IPv4
 }

Now Copy tftp-server network boot file in /var/lib/tftpboot

$ sudo cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot
$ sudo cp /usr/share/syslinux/menu.c32 /var/lib/tftpboot
$ sudo cp /usr/share/syslinux/memdisk /var/lib/tftpboot
$ sudo cp /usr/share/syslinux/mboot.c32 /var/lib/tftpboot
$ sudo cp /usr/share/syslinux/chain.c32 /var/lib/tftpboot

Make directory name netboot

$ sudo mkdir /var/lib/tftpboot/netboot

Now copy some file in netboot

$ sudo cp /var/ftp/pub/images/pxeboot/vmlinuz /var/lib/tftpboot/netboot/
$ sudo cp /var/ftp/pub/images/pxeboot/initrd.img /var/lib/tftpboot/netboot/

Make another directory pxelinux.cfg

$ sudo mkdir /var/lib/tftpboot/pxelinux.cfg

Now create pxe menu file

$ sudo vim /tftpboot/pxelinux.cfg/default

default menu.c32
 prompt 0
 timeout 30
 MENU TITLE cloudyuga.guru PXE Menu

 LABEL centos7_x64
 MENU LABEL CentOS 7 X64
 KERNEL /netboot/vmlinuz
 APPEND  initrd=/netboot/initrd.img  inst.repo=ftp://192.168.4.44/pub  ks=ftp://192.168.4.44/pub/ks.cfg

That last Configure dhcp-server

$ sudo vi /etc/dhcp/dhcpd.conf

# DHCP Server Configuration file.
#   see /usr/share/doc/dhcp-server/dhcpd.conf.example
#   see dhcpd.conf(5) man page
#
ddns-update-style interim;
 ignore client-updates;
 authoritative;
 allow booting;
 allow bootp;
 allow unknown-clients;
subnet 192.168.4.0 netmask 255.255.255.0 {
        option routers                  192.168.4.254;
        option subnet-mask              255.255.255.0;
        option domain-search              "cloudyuga.com";
        option domain-name-servers       192.168.4.1;
        option time-offset              -18000;     # Eastern Standard Time
        range 192.168.4.10 192.168.4.100;
next-server 192.168.4.44; #  DHCP server ip
 filename "pxelinux.0";
}
default-lease-time 600;
max-lease-time 7200;
option subnet-mask 255.255.255.0;
option broadcast-address 192.168.4.255;
option routers 192.168.4.254;
option domain-name-servers 192.168.4.1, 192.168.4.2;
option domain-search "cloudyuga.com";

Now finally restart all the required service

$ sudo systemctl restart dhcpd xined vsftpd

How it work

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