[root@ ~]# yum install tftp-server -y 安装tftp服务 安装完启动
[root@ mnt]# vi /etc/xinetd.d/tftp 修改tfpt配置
service tftp
{
disable = no
socket_type = dgram
protocol = udp
wait = yes
user = root
server = /usr/sbin/in.tftpd
server_args = -u nobody -s /tftpboot
per_source = 11
cps = 100 2
flags = IPv4
}
[root@ ~]# netstat -tunlp |grep 69 确保69端口打开状态
[root@ ~]# yum install dhcp -y 安装dhcp服务（安装过程出错，卸载dhclient安装成功）
[root@ ~]# vi /etc/dhcp/dhcpd.conf 修改dhcp配置文件
option domain-name "cnnb.com";
option domain-name-server 220.189.220.67;
filename "pxelinux.0";
net-server 192.168.0.241;
default-lease-time 600;
max-lease-time 7200;
subnet 192.168.0.0 netmask 255.255.255.0{
range 192.168.0.242 192.168.0.243;
option broadcast-address 192.168.0.0;
}
[root@ mnt]# mkdir -p /tftpboot 创建dhcp服务指定目录
[root@ tftpboot]# cd /tftpboot/ 进入目录
[root@localhost tftpboot]# yum install syslinux -y
[root@ tftpboot]# cp /usr/share/syslinux/pxelinux.0 ./ 复制pxelinux.0配置文件到/tftpboot
[root@ tftpboot]# mount -t iso9660 /dev/cdrom /mnt/cdrom/ 挂载CentOS系统镜像
[root@localhost tftpboot]# cp /mnt/cdrom/isolinux/vmlinuz ./
[root@localhost tftpboot]# cp /mnt/cdrom/isolinux/initrd.img ./
[root@ tftpboot]# mkdir -p pxelinux.cfg 创建PXE服务的配置文件夹
[root@ tftpboot]# cp /mnt/cdrom/isolinux//isolinux.cfg pxelinux.cfg/default 复制ISO镜像中的isolinux.cfg 并重命名为default
[root@ tftpboot]# vi pxelinux.cfg/default 配置默认的配置
default linux
#prompt 1
timeout 10
display boot.msg
menu background splash.jpg
menu title Welcome to CentOS 6.0!
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
display boot.msg
F1 boot.msg
F2 options.msg
F3 general.msg
F4 param.msg
F5 rescue.msg
label linux
kernel vmlinuz
append ks=nfs:192.168.0.241:/centosinstall/ks.cfg ksdevice=eth0 initrd=initrd.img
label linux
menu label ^Install or upgrade an existing system
menu default
kernel vmlinuz
append initrd=initrd.img
label vesa
menu label Install system with ^basic video driver
kernel vmlinuz
append initrd=initrd.img xdriver=vesa nomodeset
label rescue
menu label ^Rescue installed system
kernel vmlinuz
append initrd=initrd.img rescue
label local
menu label Boot from ^local drive
localboot 0xffff
配置好后重启tftp
[root@ tftpboot]# mkdir -p /centosinstall 创建NFS的ISO镜像目录
[root@ tftpboot]# cp -rf /mnt/cdrom/* /centosinstall/ 复制镜像中的文件到/centosinstall/
[root@ mnt]# vi /etc/exports 设置共享
/centosinstall *(rw,sync)
[root@ mnt]# cd /centosinstall/ 进入/centosinstall/文件夹
[root@ centosinstall]# vi ks.cfg 创建ks.cfg配置文件
#ckstart file automatically generated by anaconda.
install
text
nfs --server=192.168.0.241 --dir=/centosinstall
key --skip
lang en_US.UTF-8
keyboard us
network --device eth0 --bootproto=dhcp --noipv6
rootpw 87688768
firewall --disabled
authconfig --enableshadow --enablemd5
selinux --disabled
timezone Asia/Shanghai
bootloader --location=mbr --driveorder=sda --append="rhgb quiet"
# The following is the partition information you requested
# Note that any partitions you deleted are not expressed
# here so unless you clear all partitions first, this is
# not guaranteed to work
clearpart --all --initlabel
part /boot --fstype ext4 --size=100
part swap --size=8196
part / --fstype ext4 --size=100 --grow
[root@ centosinstall]# chmod 777 ks.cfg 将ks.cfg文件权限设置为777
service xinetd restart && service nfs restart && service dhcpd restart 重启所有相关服务