1. service tftp 
2. { 
3.         socket_type = dgram
4.         protocol                = udp
5.         wait                    = yes
6.         user                    = root
7.         server                  = /usr/sbin/in.tftpd 
8.         server_args             = -s /tftpboot 
9.         disable                 = no （yes改为no) 
10.         per_source              = 11
11.         cps                     = 100 2 
12.         flags                   = IPv4
13. } 
15. # service xinetd restart 
17. # lsof -i:69 
18. COMMAND  PID USER   FD   TYPE DEVICE SIZE NODE NAME 
19. xinetd  2197 root    5u  IPv4   7277       UDP *:tftp

# yum install syslinux -y
# cp /usr/lib/syslinux/pxelinux.0 /tftpboot/

# mkdir /tftpboot/pxelinux.cfg 《－－安装条目的配置目录

# cp 光盘镜像/isolinux/*  /tftpboot/

# mv /tftpboot/isolinux.cfg  /tftpboot/pxelinux.cfg/default

# ls /tftpboot/
boot.cat     isolinux.bin   options.msg   rescue.msg
boot.msg     param.msg     splash.lss
general.msg  pxelinux.0    TRANS.TBL
initrd.img   memtest        pxelinux.cfg  vmlinuz

# ls /tftpboot/pxelinux.cfg/
default