PXE自动安装Linux系统

yum install syslinux -y

 

yum install tftp-server -y

vim /etc/xinetd.d/tftp

disable                 = yes  >>disable                 = no

systemctl restart xinetd
netstat -antlupe | grep xinetd

rpm -ql tftp-server

mkdir /var/lib/tftpboot/pxelinux.cfg

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

真实主机
cd /var/www/html/rhel7.0/isolinux
scp -r * root@172.25.254.205:/var/lib/tftpboot

server端
cp isolinux.cfg pxelinux.cfg/default

 

vim /etc/dhcp/dhcpd.conf

subnet 172.25.254.0 netmask 255.255.255.0 {
  range 172.25.254.105 172.25.254.110;
  option routers 172.25.254.205;
  next-server 172.25.254.205;
  filename "pxelinux.0";
}

设置虚拟机的启动方式为NIC

vim /lib/tftpboot/pxelinux.cfg/default

timeout 60    ##选择默认选项时间
menu background splash.png    ##默认背景图片
menu title Red Hat Enterprise Linux 7.0    ##菜单标题

label linux
  menu label ^Install Red Hat Enterprise Linux 7.0
  kernel vmlinuz
  menu default    ##默认选项
  append initrd=initrd.img repo=http://172.25.254.5/rhel7.0    ##系统镜像源

yum install system-config-kickstart -y
system-config-kickstart
生成ks.cfg文件保存到/var/www/html/目录下
ksvalidator /var/www/html/ks.cfg

vim /var/lib/tftpboot/pxelinux.cfg/default

label linux
  menu label ^Install Red Hat Enterprise Linux 7.0
  kernel vmlinuz
  menu default
  append initrd=initrd.img repo=http://172.25.254.5/rhel7.0 ks=http://172.25.254.205/ks.cfg

需要注意各个服务是否被火墙拦截，需要关闭火墙或在火墙中添加允许各服务