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PXE自动安装方式

1. 安装基础组件包

确保已经安装操作系统，作为PXE Server，建议使用RHEL 6的最新版本。

1. 创建Yum安装源。

cat>> /etc/yum.repos.d/rhel-dvd.repo<< ! 
[rhel-dvd]
name=Red Hat Enterprise Linux DVD
baseurl=file:///media/rhel6-dvd
enabled=1
gpgcheck=0
!

需要确保，光盘挂载到/media/rhel6-dvd这个目录。如下：

# mkdir /media/rhel6-dvd

# mount–o loop /dev/sr0 /media/rhel6-dvd

1. 安装所需的组件包

yum-y install dhcptftp-server syslinuxhttpd

1. 配置基础服务

   1. 配置dhcp和tftp服务

# cat  >> /etc/dhcp/dhcpd.conf  << ! 
option domain-name "pxe.com";
option domain-name-servers 192.168.157.254;
option routers 192.168.157.254;
default-lease-time 14400;
ddns-update-style none;
########### 提供TFTP服务器地址和启动文件#####################
next-server 192.168.157.254;
filename "pxelinux.0";
allow booting;
allow bootp;
#############################################################
subnet 192.168.157.0 netmask 255.255.255.0 {
  range 192.168.157.10 192.168.157.100;
  default-lease-time 14400;
  max-lease-time 172800;
}
########## 为客户端分配指定IP ###############################
host liujia {
hardware ethernet 00:0C:29:E5:C5:28;
fixed-address 192.168.157.200;
}
#############################################################

注意：需要确保你当前使用dhcp分发的网卡，设定上面配置的IP , 192.168.157.254

1. 启动服务、添加开机自动启动

chkconfig tftp on

/etc/init.d/xinetd start

chkconfig dhcpd on

/etc/init.d/dhcpd start

chkconfig httpd on

/etc/init.d/httpd start

1. 创建安装http安装源目录

# cd /var/www/html/

# mkdir wwwrepo ks

# cp–r /media/rhel6-dvd/* wwwrepo

1. 创建pxe组件目录架构

[root@rhel66tftpboot]# pwd

/var/lib/tftpboot

[root@rhel66tftpboot]# tree .

.

├── boot.msg ---- 文件源自RHEL6光盘DVD目录下isolinux/boot.msg

├──memtest ---- 文件源自RHEL6光盘DVD目录下isolinux/memtest

├── pxelinux.0 ---- 文件源自操作系统下 /usr/share/syslinux/pxelinux.0

├──pxelinux.cfg ----- mkdir自行创建

│   └── default ---- 文件源自RHEL6光盘DVD目录下isolinux/isolinux.cfg

├── rhel6u6 ----- mkdir自行创建

│   ├──initrd.img ----- 文件源自RHEL6光盘DVD目录下isolinux

│   └──vmlinuz ----- 文件源自RHEL6光盘DVD目录下isolinux

├── splash.jpg ----- 文件源自RHEL6光盘DVD目录下isolinux

└── vesamenu.c32 ----- 文件源自RHEL6光盘DVD目录下isolinux

2 directories, 8 files

执行以下命令：

# cd /var/lib/tftpboot

# mkdir pxelinux.cfg rhel6u6

#cp/usr/share/syslinux/pxelinux.0 /var/lib/tftpboot

# cp /media/rhel6-dvd/isolinux/boot.msg /var/lib/tftpboot/

# cp /media/rhel6-dvd/isolinux/memtest /var/lib/tftpboot/

# cp /media/rhel6-dvd/isolinux/isolinux.cfg/var/lib/tftpboot/pxelinux.cfg/default

# cp /media/rhel6-dvd/isolinux/initrd.img /var/lib/tftpboot/rhel6u6

# cp /media/rhel6-dvd/isolinux/vmlinuz /var/lib/tftpboot/rhel6u6

# cp /media/rhel6-dvd/isolinux/splash.jpg /var/lib/tftpboot/

# cp /media/rhel6-dvd/isolinux/vesamenu.c32 /var/lib/tftpboot/

1. 修改pxe引导菜单

编辑文件/var/lib/tftpboot/pxelinux.cfg/default

default vesamenu.c32

#prompt 1

timeout 600

display boot.msg

menu background splash.jpg

menu title Welcome to Red Hat Enterprise Linux 6.6!

menu color border 0 #ffffffff #00000000

menu color sel 7 #ffffffff #ff000000

menu color title 0 #ffffffff #00000000

menu color tabmsg 0 #ffffffff #00000000

menu color unsel 0 #ffffffff #00000000

menu color hotsel 0 #ff000000 #ffffffff

menu color hotkey 7 #ffffffff #ff000000

menu color scrollbar 0 #ffffffff #00000000

label local

menu label boot from local hard drive

localboot 0

labelvesa

menu label auto install system with ks file

kernel /rhel6u6/vmlinuz

appendinitrd=/rhel6u6/initrd.img ks=http://192.168.157.254/ks/rhel6u6.ks ksdevice=bootif

ipappend 2

label rescue

menu label ^Rescue installed system

kernel vmlinuz

appendinitrd=initrd.img rescue

label memtest86

menu label ^Memory test

kernelmemtest

append -

1. 创建kickstart文件

# cd /var/www/html/ks

# vi rhel6u6.ks

#platform=x86, AMD64, or Intel EM64T

#version=DEVEL

# Install OS instead of upgrade

install

# Use network installation

url --url=http://192.168.157.254/wwwrepo/rhel6u6/

# Root password

rootpw --plaintext root1234

# System authorization information

auth --useshadow --passalgo=sha512

# Use graphical install

graphical

firstboot --disable

# System keyboard

keyboard us

# System language

langen_US

# SELinux configuration

selinux --disabled

# Firewall configuration

firewall --disabled

# Installation logging level

logging --level=info

#Reboot after installation

reboot

services --disabled udev-post,rpcidmapd,rpcgssd,rpcbind,rhsmcertd,rhnsd,postfix,mdmonitor,lvm2-monitor,libvirt-guests,iptables,ip6tables,cups,bluetooth,avahi-daemon,autofs,atd,abrtd,abrt-oops,abrt-ccpp,NetworkManager,gpm

services --enabled kdump,ntpd

# System timezone

timezone Asia/Shanghai

# Network information

network --bootproto=dhcp --device=em2 --onboot=on

# System bootloader configuration

bootloader --location=mbr --driveorder=sda --append="rhgb quiet"

# Clear the Master Boot Record

zerombr

clearpart --all --initlabel

ignoredisk --only-use=sda

part /boot --fstype="ext4" --ondisk=sda --size=1024

part pv.008002 --grow --ondisk=sda --size=200

volgroupVolGroup --pesize=4096 pv.008002

logvol / --fstype=ext4 --name=lv_root --vgname=VolGroup --size=5000

logvol swap --name=lv_swap --vgname=VolGroup --size=1024

%packages

@base

@chinese-support

@core

net-snmp

net-snmp-libs

net-snmp-utils

ntp

ntpdate

gcc

gcc-c++

openssh-server

openssh-clients

sysstat

lzo

vsftpd

ncompress

make

%end

%post --log=/tmp/ks.log --interpreter=/bin/bash

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

[rhel-dvd]

name=Red Hat Enterprise Linux DVD

baseurl=http://192.168.157.254/wwwrepo/rhel6u6/

enabled=1

gpgcheck=0

!

%end

问题汇总

1. Dell默认只有一个第一个网卡会启动PXE

需要修改为你实际环境中的网卡，进行配置。进入网卡配置界面进行配置。

1. 有多个网卡时，在安装界面会停止在网卡选择上

需要修改PXE菜单引导配置，添加类似如下：

labelvesa

menu label auto install system with ks file

kernel /rhel6u6/vmlinuz

appendinitrd=/rhel6u6/initrd.imgks=http://192.168.157.254/ks/rhel6u6.ksksdevice=bootif

ipappend 2

PXE自动安装

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原文地址：http://www.cnblogs.com/MichaelDD/p/5130402.html