Configure pxe to automatically install centos6.7 and pxecentos6.7

Configure pxe to automatically install centos6.7 and pxecentos6.7

Dhcp server is a required condition for automatic installation of pxe. Therefore, you must first set the dhcp server, yum-y install dhcp, and rpm-ql dhcp to check which packages are installed. less/etc/dhcp/dhcpd. conf open the main configuration file of dhcp, such:

 

No configuration, but prompts where to find the Master configuration file, cp/usr/share/doc/dhcp-4.1.1/dhcpd. conf. sample/etc/dhcp. conf overwrites the main configuration file, vim/etc/dhcp/dhcpd. if conf is enabled again, the default-lease-time 600; (default lease duration) parameter is set to 600 seconds. To avoid interference with other parameters, move the cursor to 29 rows and then execute :., $ s @ ^ [^ #] @ # & @ command (add a non-blank line starting with non-# To the beginning of the current line #), next, define the CIDR block to be allocated in subnet, as shown in:

 

Save and exit! Service dhcpd start service ss-unl check whether server port 67 is listening.

Set the network adapter address to 172.16.0.199/16 as the default gateway of the client.

Start another client and run the dhclient-d command to view how to obtain the address.

In this way, a dhcp server is started and a 172.16.100.29 address is assigned to the client.

But sometimes we need to assign a fixed address to a client, vim/etc/dhcp/dhcpd. conf

To add a configuration, you only need to write the physical NIC address of the client.

See the figure below:

The filename parameter and the next-server parameter are added. filename indicates to tell the client to load the pxelinux.0 file after obtaining the address, where to load the file, and the address specified in next-server, here is 172.16.100.13. Pxelinux.0 is the name of the initial boot file to be loaded during Nic boot. The file specified at filename must be placed on the tftp-server.

 

The second requirement is to start a virtual machine and handle tftp-server, yum-y install tftp-server, and yum-y install syslinux.

Syslinux is a bunch of boot loaders, which are used in pxe network boot. The pxelinux.0 file is available in the/usr/share/syslinux/directory.

The tftp-server is managed by the super daemon xinetd. Therefore, vim/etc/xinetd. d/tftp changes disable = yes to no and service xinetd restart. Ss-unl: Check whether port 69 has been listened on.

The default file storage path of the tftp server is/var/lib/tftpboot. Cp/usr/share/syslinux/pxelinux.0/var/lib/tftpboot/

Put the attached disc into the CD. mkdir/media/cdrom mount-r/dev/cdrom/media/cdrom also needs to create a yum warehouse and place the file in the CD. I will put it on httpd. Install httpd server, yum-y installl httpd, mkdir/var/www/html/centos6 create directory hard link mount -- bind/media/cdrom/var/www/html/centos6 ls/var/www/html/centos6

Create a kickstart file to customize how to install the system. yum-y install system-config-kickstart, system-config-kickstart

 

 

 

 

 

 

You do not need to configure the following items for convenience. You can use the ksvalidator command to check whether there is a syntax error ksvalidator centos6.cfg. Cp/root/centos6.cfg/var/www/html/

Service httpd start

Next, copy several necessary files: cp/media/cdrom/images/pxeboot/{vmlinuz, initrd. img}/var/lib/tftpboot/

Cp/media/cdrom/isolinux/{boot.msg, splash.jpg, vesamenu. c32}/var/lib/tftpboot/

Mkdir/var/lib/tftpboot/pxelinux. cfg cp/media/cdrom/isolinux. cfg/var/lib/tftpboot/pxelinux. cfg/default

Ls/var/lib/tftpboot

 

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

 

Add ks = http: // 172.16.100.10/centos6.cfg

Start a VM to boot from the NIC:

 

Change the number of graphic lines under # Use graphic install in the centos6.cfg file to # Use text install text. You do not need to click next for guidance:

All done !!!