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一、配置kickstart應答文件
要想配置kickstart ，首先要配置個本地yum源，要不然用system-config-kickstart時選不上包。而且，centos6的yum 源的名字一定是[base],要不然會報:
Package selection is disabled due to problems downloading package information.
centos7要把倉庫名稱更改為development
[development]
name=base
baseurl=file:///mnt/
利用安裝system-config-kickstart
yum -y system-config-kickstart
如果不能啟動，用xshell,連接，左鍵屬性，隧道勾選轉發X11連接到(X)，選擇Xmanager(M)
安裝httpd服務，執行system-config-kickstart時會用到httpd服務來對安裝文件目錄進行配置
yum -y install httpd
mkdir /var/www/html/7/x86_64 -p
mount /dev/sr0 /var/www/html/7/x86_64
systemctl start httpd




二、設置dhcp服務器
rpm -ivh /var/www/html/6/Packages/dhcp-4.1.1-60.P1.el6.centos.x86_64.rpm
vim /etc/dhcp/dhcpd.conf
option domain-name "magedu.com"; ping自動補全
option domain-name-servers 192.168.0.1,8.8.8.8; DNS1DNS2
default-lease-time 86400; 默認租期
max-lease-time 86400; 客戶端可獲取的最長租期
subnet 192.168.100.0 netmask 255.255.255.0 { 網段及掩碼
range 192.168.100.1 192.168.100.200; 分配的ip地址
option routers 192.168.100.1; 分配的網關地址
}
service dhcpd start
vim /var/lib/dhcpd/dhcpd.leases 查看分配記錄
三、設置tftp服務器
yum -y install tftp-server
vim /etc/xinetd.d/tftp
disable = no
service xinetd start
ss -unlp | grep xinetd 查看是否監聽udp的69端口
tftp共享文件目錄在/var/lib/tftpboot
四、準備pxe安裝centos系統
mkdir /var/lib/tftpboot/pxelinux.cfg/
cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/
cd /misc/cd/images/pxeboot/
cp vmlinuz initrd.img /var/lib/tftpboot
Cd /misc/cd/isolinux/
cp boot.msg vesamenu.c32 splash.jpg /var/lib/tftpboot

vim /var/lib/tftpboot/pxelinux.cfg/default
default vesamenu.c32 指定菜單風格
#prompt 1
timeout 600
display boot.msg
menu background splash.jpg
menu title Welcome to wang CentOS 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 auto
menu label ^Automatic Install Centos6
kernel vmlinuz
append initrd=initrd.img ks=http://192.168.100.100/centos/ks/centos6.cfg
label manual
menu label ^Manual Install Centos
kernel vmlinuz
append initrd=initrd.img inst.repo=http://192.168.100.100/centos/6
label local
menu default
menu label Boot from ^local drive
localboot 0xffff
tree /var/lib/tftpboot/
/var/lib/tftpboot/
├── boot.msg
├── initrd.img
├── pxelinux.0
├── pxelinux.cfg
│ └── default
├── splash.jpg
├── vesamenu.c32
└── vmlinuz
開機選擇pxe啟動方式，選擇安裝菜單，自動安裝成功！

配置pxe自動化安裝centos系統