搭建pxe网络安装环境实现服务器自动部署

[root@pxe ~]# hostnamectl 
   Static hostname: pxe.timinglee.org
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 380f481f1fef42d7ab5705f1fca7b016
           Boot ID: 3ffde0969f6f4203b3a86ba00700d7e4
    Virtualization: vmware
  Operating System: Red Hat Enterprise Linux Server 7.9 (Maipo)
       CPE OS Name: cpe:/o:redhat:enterprise_linux:7.9:GA:server
            Kernel: Linux 3.10.0-1160.el7.x86_64
      Architecture: x86-64


# 查看有没有pxe
[root@pxe ~]# yum search pxelinux

[root@pxe ~]# yum install syslinux.x86_64

[root@pxe ~]# yum install tftp-server.x86_64
[root@pxe ~]# rpm -ql tftp-server 
[root@pxe ~]# systemctl enable --now tftp
[root@pxe ~]# netstat -antluple

[root@pxe ~]# systemctl enable --now tftp

[root@pxe ~]# cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/

[root@pxe ~]# cd /var/lib/tftpboot/

[root@pxe tftpboot]# ls
boot.cat   initrd.img    memtest     TRANS.TBL     vmlinuz
boot.msg   isolinux.bin  pxelinux.0  upgrade.img
grub.conf  isolinux.cfg  splash.png  vesamenu.c32
# 创建pxelinux.cfg
[root@pxe tftpboot]# mkdir pxelinux.cfg

[root@pxe tftpboot]# cp isolinux.cfg pxelinux.cfg/default
# 修改dhcp文件
[root@pxe tftpboot]# vim /etc/dhcp/dhcpd.conf 
subnet 172.25.254.0 netmask 255.255.255.0 {
  range 172.25.254.30 172.25.254.40;
  option routers 172.25.254.0;
  next-server 172.25.254.100;
  filename "pxelinux.0";

[root@pxe tftpboot]# systemctl restart dhcpd
 # 修改default文件
[root@pxe ~]# vim /var/lib/tftpboot/pxelinux.cfg/default 
default vesamenu.c32
timeout 30

label linux
  menu label ^Install Red Hat Enterprise Linux hahahahha
  menu default
  kernel vmlinuz
  append initrd=initrd.img repo=http://172.25.254.100/rhel7 ks=http://172.25.254.100/ks.cfg quiet

[root@pex ~]# systemctl enable --now dhcpd

### 新建立一个虚拟机进行测试