# rpm -ivh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm

# yum -y install nginx

server {

    listen       ;

    server_name  localhost;

    root        /content;

    index       index.html index.htm;

    location ^~ /pub/ {

        autoindex             on;

        autoindex_exact_size  off;

        autoindex_localtime   on;

    }

    error_page        /50x.html;

    location = /50x.html {

        root   /usr/share/nginx/html;

    }

}

# systemctl start nginx

# systemctl enable nginx

# chcon -t public_content_t -R /content/

# echo "/content/pub/rhel7/x86_64/isos/rhel-server-7.2-x86_64-dvd.iso   /content/pub/rhel7/x86_64/dvd   iso9660   loop,ro   0 0" >> /etc/fstab

# mount -a

# yum -y install dhcp

log-facility local7;

option domain-name "example.com";

option domain-name-servers 192.168.136.2;

default-lease-time ;

max-lease-time ;

subnet 192.168.136.0 netmask 255.255.255.0 {

  range 192.168.136.100 192.168.136.200;

  option routers 192.168.136.2;            #路由器IP，可以写网关IP

  next-server 192.168.136.253;             #TFTP Server 的IP地址

  filename "pxelinux.0";                   #pxelinux 启动文件位置

}

# systemctl start dhcpd

# systemctl enable dhcpd

# yum -y install tftp-server

# default: off

# description: The tftp server serves files using the trivial file transfer \

#       protocol.  The tftp protocol is often used to boot diskless \

#       workstations, download configuration files to network-aware printers, \

#       and to start the installation process for some operating systems.

service tftp

{

        socket_type             = dgram

        protocol                = udp

        wait                    = yes

        user                    = root

        server                  = /usr/sbin/in.tftpd

        server_args             = -s /var/lib/tftpboot

        disable                 = no                       #把这行改成no即可

        per_source              =

        cps                     =

        flags                   = IPv4

}

# systemctl start tftp

# systemctl enable tftp

# yum -y install syslinux

# cp /usr/share/syslinux/pxelinux. /var/lib/tftpboot/

# cp /content/pub/rhel7/x86_64/dvd/isolinux/{boot.msg,splash.png,vmlinuz,initrd.img} /var/lib/tftpboot/

# mkdir /var/lib/tftpboot/pxelinux.cfg/

# cp /content/pub/rhel7/x86_64/dvd/isolinux/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default

# chmod  /var/lib/tftpboot/pxelinux.cfg/default

default linux
timeout 600

...

label linux

  menu label ^Install Red Hat Enterprise Linux 7.2
  kernel vmlinuz
  append initrd=initrd.img ks=http://192.168.136.253/ks-config/ks7.cfg

...

#platform=x86, AMD64, or Intel EM64T

#version=DEVEL

# Install OS instead of upgrade

install

# Keyboard layouts

keyboard --vckeymap=us --xlayouts='us'

# Root password

rootpw --plaintext redhat
# System services

services --enabled="chronyd"
# System timezone

timezone Asia/Shanghai --isUtc

# Use network installation
url --url="http://192.168.136.253/pub/rhel7/x86_64/dvd"
# System language

lang en_US.UTF-8

# System authorization information

auth --enableshadow --passalgo=sha512

# Use graphical install

graphical

# Network information

network  --bootproto=dhcp --device=eth0

# Reboot after installation

reboot

# System bootloader configuration

bootloader --location=mbr

# Partition clearing information

clearpart --all --initlabel

# Disk partitioning information

part swap --fstype="swap" --size=2048

part /boot --fstype="xfs" --size=256

part / --fstype="xfs" --grow --size=1

%packages
  @^minimal
  @core
  chrony
  kexec-tools

%end

%post

cat > /etc/yum.repos.d/rhel-dvd.repo << EOF

[rhel-dvd]

name=rhel dvd

baseurl=http://192.168.136.253/pub/rhel7/x86_64/dvd

gpgcheck=0

enabled=1

EOF

%end

# yum -y install system-config-kickstart

# system-config-kickstart

# firewall-cmd --permanent --add-service={tftp,http}

# firewall-cmd --reload