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pxe

####packags needed####

need packages:

system-config-kickstart ##自动应答脚本制作工具

 # yum install system-config-kickstart -y   

syslinux ##获得pxelinux.0文件安装包

dhcp ##分配ip给客户机的服务

 # yum install dhcp -y

tftp-server ##提供tftp协议的服务

 # yum install tftp-server -y  

httpd ##安装源共享服务

# yum install vsftpd -y

####config file rules#########

No.1 配置dhcp配置文件

config /etc/dhcpd/dhcpd.conf like this:

===============================================================

option domain-name "example.com"; ##域名

option domain-name-servers 172.25.254.254; ##dns

default-lease-time 600; ##默认租约期

max-lease-time 7200; ##最长租约期

log-facility local7; ##日志级别

subnet 172.25.254.0 netmask 255.255.255.0 { ##网段,子网掩码

  range 172.25.254.50 172.25.250.60; ##地址范围

  option routers 172.25.254.254; ##网关

  filename "pxelinux.0"; ##pxe启动程序

  next-server 172.25.254.44; ##tftp主机地址

}

systemctl restart dhcpd

systemctl stop firewalld


No.2 SED CONFIG TFTP 配置TFCP配置文件

config /etc/xinetd.d/tftp like this:

service tftp

{

        socket_type        = dgram

        protocol              = udp

        wait                     = yes

        user                    = root

        server                 = /usr/sbin/in.tftpd

        server_args        = -s /var/lib/tftpboot

        disable                = <<<<<<<<<yes--->no>>>>>>

        per_source         = 11

        cps                     = 100 2

        flags                   = IPv4

}

systemctl restart xinetd


No.3 TRD MAKE SOME FILES AND PXEWORKDIRECTORY

1)

cd /var/lib/tftpboot/

mkdir pxelinux.cfg

2)

mount the iso of the rhel7

cp isolinux/* /var/lib/tftpboot

3)

cp /var/lib/tftpboot/isolinux.cfg   /var/lib/tftpboot/pxelinux.cfg/default

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

4)

make a userfully install source and kickstart,my of this is in the ftp‘s pub

ftp://192.168.0.252/pub/rhel6

ftp://192.168.0.252/pub/ks.cfg

5)

config the file of /var/lib/tftpboot/pxelinux.cfg/default like this:

========================================================================================

default vesamenu.c32

timeout 600 ##等待时间


display boot.msg


# Clear the screen when exiting the menu, instead of leaving the menu displayed.

# For vesamenu, this means the graphical background is still displayed without

# the menu itself for as long as the screen remains in graphics mode.

menu clear

menu background splash.png

menu title Red Hat Enterprise Linux 7.0 ##大标题

menu vshift 8

menu rows 18

menu margin 8

#menu hidden

menu helpmsgrow 15

menu tabmsgrow 13


# Border Area

menu color border * #00000000 #00000000 none


# Selected item

menu color sel 0 #ffffffff #00000000 none


# Title bar

menu color title 0 #ff7ba3d0 #00000000 none


# Press [Tab] message

menu color tabmsg 0 #ff3a6496 #00000000 none


# Unselected menu item

menu color unsel 0 #84b8ffff #00000000 none


# Selected hotkey

menu color hotsel 0 #84b8ffff #00000000 none


# Unselected hotkey

menu color hotkey 0 #ffffffff #00000000 none


# Help text

menu color help 0 #ffffffff #00000000 none


# A scrollbar of some type? Not sure.

menu color scrollbar 0 #ffffffff #ff355594 none


# Timeout msg

menu color timeout 0 #ffffffff #00000000 none

menu color timeout_msg 0 #ffffffff #00000000 none


# Command prompt text

menu color cmdmark 0 #84b8ffff #00000000 none

menu color cmdline 0 #ffffffff #00000000 none


# Do not display the actual menu unless the user presses a key. All that is displayed is a timeout message.


menu tabmsg Press Tab for full configuration options on menu items.


menu separator # insert an empty line

menu separator # insert an empty line


label linux

  menu label ^Install Red Hat Enterprise Linux 7.0 ##小标题

   menu default ##默认标题设定

  kernel vmlinuz

  append initrd=initrd.img repo=http://172.25.254.100/soucre ks=http://172.25.254.100/ks.cfg ##安装源和ks


label check

  menu label Test this ^media & install Red Hat Enterprise Linux 7.0

  #menu default

  kernel vmlinuz

  append initrd=initrd.img inst.stage2=hd:LABEL=RHEL-7.0\x20Server.x86_64 rd.live.check quiet


menu separator # insert an empty line


# utilities submenu

menu begin ^Troubleshooting

  menu title Troubleshooting


label vesa

  menu indent count 5

  menu label Install Red Hat Enterprise Linux 7.0 in ^basic graphics mode

  text help

Try this option out if you‘re having trouble installing

Red Hat Enterprise Linux 7.0.

  endtext

  kernel vmlinuz

  append initrd=initrd.img inst.stage2=hd:LABEL=RHEL-7.0\x20Server.x86_64 xdriver=vesa nomodeset quiet


label rescue

  menu indent count 5

  menu label ^Rescue a Red Hat Enterprise Linux system

  text help

If the system will not boot, this lets you access files

and edit config files to try to get it booting again.

  endtext

  kernel vmlinuz

  append initrd=initrd.img inst.stage2=hd:LABEL=RHEL-7.0\x20Server.x86_64 rescue quiet


label memtest

  menu label Run a ^memory test

  text help

If your system is having issues, a problem with your

system‘s memory may be the cause. Use this utility to

see if the memory is working correctly.

  endtext

  kernel memtest


menu separator # insert an empty line


label local

  menu label Boot from ^local drive

  localboot 0xffff


menu separator # insert an empty line

menu separator # insert an empty line


label returntomain

  menu label Return to ^main menu

  menu exit


menu end


pxe