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  Use PXE with kickstart to install Linux automatically
     
  Add Date : 2017-08-31      
         
         
         
  Surroundings:
  System - CentOS 6.5;
  Tftp and ftp service address: 192.168.0.11;
  
Brief description of the principle:
  1. Use the pxe protocol to send requests to dhcp servers in the network to obtain IP addresses and tftp addresses.
  2. Get the boot loader to the tftp server.
  3. The boot loader loads the default file to get the boot menu.
  4. Finally, choose to load the kernel and install the program.

step:

1. Configure /etc/dhcp/dhcp.conf

Subnet 192.168.0.0 netmask 255.255.255.0 {
    Range 192.168.0.100192.168.0.150; # Address ranges that can be obtained dynamically
    Next-server 192.168.0.11; # tftp The address of the server
    Filename = "pxelinux.0" # network boot program, this file in the syslinux package
}}

2. Configure tftp
Chkconfig tftp on # Enable the tftp service

3. Copy the boot and boot program to the tftp server's home directory / var / lib / tftpboot

Cp /usr/share/syslinux/pxelinux.0 / var / lib / tftpboot
Cp /media/isolinux/{boot.msg,splash.jpg,vesamenu.c32} / var / lib / tftpboot # boot.msg: is used to display "[ENTER]" start prompt information; splash.jpg: is the background Pictures; vesamenu.c32 is used to display the graphical menu.
Cp /media/images/{vmlinuz,initrd.img} / var / lib / tftpboot
Mkdir /var/lib/tftpboot/pxelinux.cfg # Network boot program pexelinux.0 boot is to enter the directory to load the configuration file.
Cp /media/isolinux/isolinux.cfg/var/lib/tftpboot/pxelinux.cfg/default #default even if the bootstrap configuration file.

4. Use ftp, nfs, http or cdrom, etc. to export the installation file, use ftp here, the file directory is:

/var/ftp/pub/centos6.5

5. Use system-config-kickstart to create an automated installation configuration file.
You can use anaconda-ks.cfg in the / root directory as a template to configure. And save the resulting file to /var/ftp/pub/kickstart/ks.cfg

6. Append the path to ks.cfg to /var/lib/tftpboot/pxelinux.cfg/default append, as follows:
Label linux
Menu label ^ Install or upgrade an existing system # Graphic menu shows the string
Menu default # This menu item is the default to be installed
Kernel vmlinuz
Append initrd = initrd.img ks = ftp: //192.168.0.11/pub/kickstart/ks.cfg
     
         
         
         
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