1、配置网络 关闭防火墙 关闭selinux
2、配置yum源，安装软件 dhcpd
3、配置dhcp服务
1 systemctl stop firewalld.service
3 setenforce 0
4 getenforce
5 mkdir /dvd
6 mount /dev/sr0 /dvd
7 vim /etc/yum.repos.d/dvd.repo
8 yum listdf
9 yum install dhcp.x86_64 -y
10 systemctl restart dhcpd
11 systemctl enable dhcpd
12 vim /etc/dhcp/dhcpd.conf
13 systemctl restart dhcpd

14 yum install tftp-server.x86_64 -y
15 vim /etc/xinetd.d/tftp yes-no
16 systemctl restart xinetd.service
17 systemctl enable xinetd.service

18 yum install syslinux.x86_64 -y

19 find / -name "pxelinux.0"
24 cd /var/lib/tftpboot/
* 25 cp /dvd/isolinux/* /var/lib/tftpboot/
* 27 cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/

• 31 mkdir /var/lib/tftpboot/pxelinux.cfg
• 32 mv /var/lib/tftpboot/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default
  34 cd pxelinux.cfg/
  37 chmod 644 default
  38 ll
  39 vim default
  40 systemctl restart xinetd.service
  42 yum install ftp.x86_64 -y
  43 yum install vsftpd.x86_64 -y
  48 yum install system-config-kickstart.noarch -y
  49 system-config-kickstart
  cp ks.cfg /var/ftp/

umount /dvd
mount /dev/cdrom /var/ftp/pub

systemctl restart vsftpd

label linux
menu label ^Install Red Hat Enterprise Linux 7.0 by kickstart
menu default
kernel vmlinuz
append initrd=initrd.img inst.repo=ftp://192.168.1.3/pub inst.ks=ftp://192.168.1.3/ks.cfg

label linux 2
menu label ^Install Red Hat Enterprise Linux 7.0 by vnc
kernel vmlinuz
append initrd=initrd.img inst.repo=ftp://192.168.1.3/pub inst.vnc inst.vncpassword=password

subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.10 192.168.1.20;

option routers 192.168.1.2;
default-lease-time 600;
max-lease-time 7200;
filename"pxelinux.0";
next-server 192.168.1.3;
filename "pxelinux.0";
next-server 192.168.1.100;
}

systemctl restart dhcpd
systemctl enable dhcpd