PXE+DHCP+NFS+KICKSTART无人值守安装RHEL6.4

实验要求:

服务器(192.168.100.250)给192.168.100.0网段的客户机安装RHEL6.4操作系统,并给每台客户端192.168.100.x分配主机名clientx.linuxidc.com,实现无人值守安装

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一.配置YUM

[root@PXE-server ~]# cat /etc/yum.repos.d/rhel-server.repo

[rhel-server]

name=Red Hat Enterprise Linux

baseurl=file:///media

enabled=1

gpgcheck=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-RedHat-release

[root@PXE-server ~]# mount /dev/cdrom1 /media //放入安装光盘并挂载

二..配置DHCP

[root@PXE-server ~]# yum -y install dhcp

[root@PXE-server ~]# vim /etc/dhcp/dhcpd.conf

subnet 192.168.100.0 netmask 255.255.255.0 {

range 192.168.100.100 192.168.100.200; //分配给客户机的地址段

option domain-name-servers 192.168.100.250; //DNS也是本机

option domain-name “linuxidc.com”;

option routers 192.168.100.254;

default-lease-time 600;

max-lease-time 7200;

next-server 192.168.100.250; //TFTP服务器的IP地址

filename “pxelinux.0”; //网卡引导文件名

}

[root@PXE-server ~]# service dhcpd start

[root@PXE-server ~]# chkconfig dhcpd on

三.配置TFTP

1.安装软件包

[root@PXE-server ~]# yum -y install tftp-server

[root@PXE-server ~]# vim /etc/xinetd.d/tftp

……

server_args = -s /var/lib/tftpboot //tftp根目录

disable = no //开启tftp服务

……

[root@PXE-server ~]# service xinetd restart

[root@PXE-server ~]# chkconfig xinetd on

[root@PXE-server ~]# cd /media/images/pxeboot/

[root@PXE-server pxeboot]# cp initrd.img vmlinuz /var/lib/tftpboot/ //将光盘中linux内核与镜像文件拷贝到tftp根目录下

[root@PXE-server pxeboot]# yum -y install syslinux

[root@PXE-server pxeboot]# cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/ //将网卡引导文件也拷贝至tftp根目录

2.创建PXE启动配置

[root@PXE-server pxeboot]# mkdir /var/lib/tftpboot/pxelinux.cfg //创建文件夹

[root@PXE-server pxeboot]# cd ../../isolinux/

[root@PXE-server isolinux]# cp isolinux.

[root@PXE-server isolinux]# cp isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default //拷贝光盘中样例文件到tftp根目录下并改名为default

四.配置NFS共享

[root@PXE-server isolinux]# yum -y install nfs-utils rpcbind

[root@PXE-server isolinux]# mkdir -p /data/nfs //创建nfs共享目录

[root@PXE-server isolinux]# vim /etc/exports

/data/nfs *(ro)

[root@PXE-server isolinux]# cp -rf /media /data/nfs/ //将光盘下软件包拷贝到nfs共享目录

[root@PXE-server isolinux]# service rpcbind start

[root@PXE-server isolinux]# service nfs start

[root@PXE-server isolinux]# chkconfig rpcbind on

[root@PXE-server isolinux]# chkconfig nfs on

五.配置DNS

[root@PXE-server isolinux]# yum -y install bind bind-chroot

[root@PXE-server isolinux]# vim /etc/named.conf

……

listen-on port 53 { 192.168.100.250; };

……

allow-query { any; };

……

zone “linuxidc.com.zone” IN { //正向解析

type master;

file “linuxidc.com.zone”;

};

zone “100.168.192.in-addr.arpa” IN { //反向解析

type master;

file “192.168.100.arpa”;

};

……

[root@PXE-server isolinux]# cd /var/named/

[root@PXE-server named]# vim linuxidc.com.zone

$TTL 3H

@IN SOAlinuxidc.com. root.linuxidc.com. (

2014041901 ; serial

1D; refresh

1H; retry

1W; expire

3H ); minimum

NSdns.linuxidc.com.

dnsIN A192.168.100.250

$GENERATE 100-200 client$ IN A 192.168.100.$ //使用函数解析

[root@PXE-server named]# vim 192.168.100.arpa

$TTL 3H

@IN SOAlinuxidc.com. root.linuxidc.com. (

2014041901 ; serial

1D; refresh

1H; retry

1W; expire

3H ); minimum

NSdns.linuxidc.com.

250IN PTRdns.linuxidc.com.

$GENERATE 100-200 $ IN PTR client$.linuxidc.com.

[root@PXE-server named]# service named start

[root@PXE-server named]# chkconfig named on

[root@PXE-server named]# nslookup 192.168.100.100 192.168.100.250 //测试反向解析

[root@PXE-server named]# nslookup client181.linuxidc.com //测试正向解析

六.创建kickstart应答文件

[root@PXE-server named]# yum -y install system-config-kickstart

[root@PXE-server named]# system-config-kickstart //通过图形化工具配置客户端启动选项生成应答文件

[root@PXE-server ~]# cp ks.cfg /data/nfs/ //部署到NFS共享目录

[root@PXE-server ~]# cat ks.cfg //根据需要设置客户端配置应答文件

#platform=x86, AMD64, or Intel EM64T

#version=DEVEL

# Firewall configuration

firewall –disabled

# Install OS instead of upgrade

install

# Use NFS installation media

nfs –server=192.168.100.250 –dir=/data/nfs/media //通过NFS共享

# Root password

rootpw –iscrypted $1$sW2gH1K6$B333cigoFqn3IaAUK2RIj1

# System authorization information

auth –useshadow –passalgo=sha512

# Use text mode install

木已成舟便要顺其自然

PXE+DHCP+NFS+KICKSTART无人值守安装RHEL6.4

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