基于CentOS中PXE网络环境构建实例

NO.1########################### prepare software:  system-config-kickstart  syslinux  dhcp   tftp-server  httpd/vsftpd you can use "yum install software" to install packages.

NO.2######################### configure the DHCP-SERVICE: # vim  /etc/dhcp/dhcpd.conf option domain-name "example.org";                      #domain-name option domain-name-servers 172.25.254.186;      #dns-host

default-lease-time 600;                                            #lease-time max-lease-time 7200;                                             #max-lease-time log-facility local7;                                                     #log-type authoritative;                                                           #auth

subnet 192.168.2.0 netmask 255.255.255.0 {          #subnet   range 192.168.2.2 192.168.2.20;                           #IP-pool   option routers 192.268.2.234;                               #default-router   filename "pxelinux.0";                                            #find the pxelinux   next-server 192.268.2.234;                                    #tftp-server } #systemctl restart dhcpd #systemctl enable dhcpd

NO.3#################################### configure the http:(for sharing the system operation) #mount rhel7-x86_64.iso /mnt #cp -r /mnt/* /var/www/html/rhel7 #systemctl enable httpd #systemctl restart httpd

Test the sharing:    Browser http://192.268.2.234/centos OR  configure the vsftpd: #cp -r /mnt/* /var/ftp/pub/rhel7 #chgrp ftp /var/ftp/pub -R #systemctl restart vsftpd #systemctl enable vsftpd

Test the sharing:    Browser ftp://192.268.2.234/centos

NO.4##################################### Use the create kictstart! Generating a ks.cfg.

NO.5#################################### configure a tftp-server:

# vim /etc/xinetd.d/tftp disable                = no    #modify # systemctl restart xinetd.service

NO.6#################################### make some files and pxework-directory! 1) #cd /var/lib/tftpboot/ #mkdir pxelinux.cfg 2) #mount the iso of the rhel7 #cp isolinux/* /var/lib/tftpboot 3) #cp /var/lib/tftpboot/isolinux.cfg   /var/lib/tftpboot/pxelinux.cfg/default #cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/ 4) make a userfully install source and kickstart,my of this is in the ftp's(http) pub http://192.268.2.234/centos

ftp://192.268.2.234/ks.cfg 5) config the file of /var/lib/tftpboot/pxelinux.cfg/default like this: default vesamenu.c32 #prompt 1 timeout 600 display boot.msg menu background splash.jpg menu title Welcome to Red Hat Enterprise Linux 6.0! 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 linux   menu label ^Install or upgrade an existing system   menu default   kernel vmlinuz   append initrd=initrd.img label rescue   menu label ^Rescue installed system   kernel vmlinuz   append initrd=initrd.img rescue label small-install   menu label rhel6-small-install   kernel vmlinuz   append initrd=initrd.img repo=http://192.268.2.234/centos ks=ftp://192.268.2.234/pub/ks.cfg noipv6