PXE_kickstact安装Centos7.2

系统版本：Centos7.3

软件版本：yum  epel源

主机IP：    192.168.8.35

需要软件：tftp-server dhcp syslinux xinetd system-config-kickstart nginx

PXE_详细介绍：http://baike.baidu.com/link?url=okrIOCs-JFnARocvi5ZdsT1Sf0akYgnjLpiQF6wz4Dl-E6pbQSCIM3QFWmG_NPhPMTsUlZeYFi8wj3dV7Xa-FK

[root@node1 ~]# yum -y install tftp-server dhcp syslinux xinetd system-config-kickstart

[root@node1 ~]# cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcp/dhcpd.conf

[root@node1 ~]# vim /etc/dhcp/dhcpd.conf    # 添加如下行

subnet 192.168.8.0 netmask 255.255.255.0 {

        option routers 192.168.8.35;

        range 192.168.8.103 192.168.8.200;

        option domain-name-servers 192.168.8.35;

        filename "pxelinux.0";

        next-server 192.168.8.35;

        default-lease-time 600;

        max-lease-time 7200;

}

# 改完之后重新dhcpd

# 命令详解

# option routers                dhcp路由地址

# range                            dhcp分配地址池

# default-lease-time           dhcp默认时长

# filename                          pxe服务名称

# next-server                 pxe服务器地址

# allow members             pxe最大值

vim /etc/xinetd.d/tftp

    disable                 = no

# 将disable 改为no  改完之后重新瞬间守护进程

# 配置nginx

[root@node1 ~]# vim /etc/nginx/nginx.conf    添加一个server段

    server {

        listen       80;

        server_name  192.168.8.35;

        location / {

                root /mnt/cdrom;

                autoindex on;

        }

        location /ks {

                alias /var/lib/tftpboot;

                autoindex on;

        }

}

[root@node1 cdrom]# cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/

[root@node1 cdrom]# cp /mnt/cdrom/isolinux/boot.msg /var/lib/tftpboot/

[root@node1 cdrom]# cp /mnt/cdrom/isolinux/vesamenu.c32 /var/lib/tftpboot/

[root@node1 cdrom]# cp /mnt/cdrom/isolinux/splash.png /var/lib/tftpboot/

[root@node1 ~]# cp /mnt/cdrom/p_w_picpaths//pxeboot/{initrd.img,vmlinuz} /var/lib/tftpboot/

[root@node1 ~]# mkdir  /var/lib/tftpboot/pxelinux.cfg

[root@node1 ~]# cp /mnt/cdrom/isolinux/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default

[root@node1 ~]#  vim /var/lib/tftpboot/pxelinux.cfg/default

        label linux Centos 7.2

          menu label ^Install Centos 7.2 system

          menu default

          kernel vmlinuz

          append initrd=initrd.img inst.ks=http://192.168.8.35/ks/ks.cfg quiet

[root@node1 ~]# systemctl restart  xinetd.service

[root@node1 ~]# systemctl restart  dhcpd.service

[root@node1 ~]# systemctl restart  nginx

# 挂载光盘镜像至/opt/cdrom以下的格式必须为[development]  否则将报错

# yum源 格式强制 否则会报软件无法加载错误

[development]

name=yum

baseurl=file:///mnt/cdrom/

enable=1

gpgcheck=0

 

[epel]

name=epel_rpm

baseurl=http://192.168.9.19:81/epel7/

enable=1

gpgcheck=0

# 安装kickstart软件包配置启动文件 

[root@node1 ~]# system-config-kickstart

#platform=x86, AMD64, 或 Intel EM64T

#version=DEVEL

# Install OS instead of upgrade

install

# Keyboard layouts

keyboard 'us'

# Root password

rootpw --iscrypted $1$fu4CwNue$NpzCFx7OTL4w9xPWv4TEN1

# System timezone

timezone Asia/Shanghai

# Use network installation

url --url="http://192.168.8.35/"

# System language

lang zh_CN

# Firewall configuration

firewall --disabled

# System authorization information

auth  --useshadow  --passalgo=sha512

# Use graphical install

graphical

# SELinux configuration

selinux --disabled

# Do not configure the X Window System

skipx

# Reboot after installation

reboot

# System bootloader configuration

bootloader --location=mbr

# Partition clearing information

clearpart --all --initlabel

# Disk partitioning information

part /boot --fstype="xfs" --size=500

part swap --fstype="swap" --size=4096

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

%post

wget -O /tmp/install.sh http://192.168.8.35/ks/install.sh &>/dev/null

/bin/bash /tmp/install.sh

%end

%packages

@development

wget 

vim

net-tools

ntpdate

%end

cat /var/lib/tftpboot/install.sh

#!/bin/bash

##############################################################

# File Name: install cenos 7.2

# Version: V1.0

# Created Time : 2017年06月13日 17:35:05

# Description: Linux system initialization

##############################################################

yum -y install net-tools vim  ntpdate

rm -rf /etc/yum.repos.d/Cent*

cat << EOF >> /etc/yum.repos.d/yum.repo 

[development]

name=yum

baseurl=file:///opt/cdrom/

enable=1

gpgcheck=0

[epel]

name=epel_rpm

baseurl=http://192.168.9.19:81/epel7/

enable=1

gpgcheck=0

EOF

IPADDR=`ifconfig | grep "192.168.8.255" | awk '{print $2}'`

cat << EOF >> /etc/sysconfig/network-scripts/ifcfg-eno16777984 

TYPE=Ethernet

BOOTPROTO=none

DEFROUTE=yes

IPV4_FAILURE_FATAL=no

IPV6INIT=yes

IPV6_AUTOCONF=yes

IPV6_DEFROUTE=yes

IPV6_FAILURE_FATAL=no

NAME=eno16777984

UUID=fbacacf0-ee9a-4c3a-af76-c49d4789170b

DEVICE=eno16777984

ONBOOT=yes

IPADDR=$IPADDR

PREFIX=24

GATEWAY=192.168.8.1

DNS1=114.114.114.114

IPV6_PEERDNS=yes

IPV6_PEERROUTES=yes

IPV6_PRIVACY=no

EOF

echo "* */1 * * * ntpdate 192.168.8.35 2&> /dev/null &" > /var/spool/cron/root