Second book the first unit * Automatic installation system *

Unit1. Automatic Installation System * * * *

1.kickstart Scripting * * * *

Kickstart script is a scripting problem that automatically answers all problems in the installation process of the system

This file enables automatic installation of the system

After the system is installed, it will be generated in the root home directory of the system.

Anaconda-ks.cfg This file is the kickstart script generated by this system as a template

Production of 2.kickstart scripts * * *

It's hard to write kickstart manually.

The Systemc-config-kickstart tool in the system can be made by graphic method kickstart

Yum Install system-config-kickstart-y/* Installation of the Graphics authoring tool

System-config-kickstart/* Open Graphics KS Authoring tool

Ksvalidator ks.cfg/* Detect KS syntax

3.kickstart file Sharing *********

Yum Install Httpd-y

Systemctl Stop Firewalld.service

Systemctl Disable Firewalld.service

Systemctl Start httpd

Systemctl Enable httpd

Systemctl start DHCPD

CP ks.cfg/var/www/html

4. Test KS File * * *

Zhe#!/bin/bash

Virt-install \

--name \

--ram 800 \

--FILE/VAR/LIB/LIBVIRT/IMAGES/$.QCOW2 \

--file-size 8 \

--location ftp://172.25.254.250/pub/rhel7.2 \/* (ISO source)

--extra-args "Ks=http://172.25.254.133/ks.cfg" &/* (ks.cfg Source)

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Note: DHCP is not open

********* additional PXE network installation service ******** /**** If the specified interface cannot be reached, the default is mostly not configured.

1. Corresponding Software Installation

Yum Install DHCP Tftp-server syslinux httpd-y

Systemctl Stop Firewalld.service

Systemctl Disable Firewalld.service

Tftp.service is a static (uncontrolled)

Vim/etc/xinetd.d/tftp

[disable=yes]======>[disable = no]

Systemctl Restart xinetd

Systemctl Start httpd

Systemctl enble httpd

2. Must download and copy files

cp/usr/share/syslinux/pxelinux.0/var/lib/tftpboot/

Copy all isolinux/* from the installation image to/var/lib/tftpboot/

Mkdir/var/lib/tftpboot/pxelinux.cfg

Cp/var/lib/tftpboot/isolinux.cfg/var/lib/tftpboot/pxelinux.cfg/default

Configuration of the 3.DHCPD service

Subnet 172.25.50.0 netmask 255.255.255.0{

Range 172.25.50.200 172.25.50.220;

Option routers 172.25.50.250;

FileName "pxelinux.0";

Next-server 172.25.50.10;/*pxelinux.0 file on that host, write that host IP.

}

Setting up the network in/var/lib/tftpboot/pxelinux.cfg/default

Label Linux

Menu Label ^install Red Hat Enterprise Linux 7.1

Menu default

Kernel Vmlinuz

Append initrd=initrd.img repo=http://172.25.50.250/rhel7.1 ks=http://172.25.50.10/ks.cfg

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/**** If there is a problem with the installation process (not source installition) This is a KC.FCG problem.

Second book the first unit * Automatic installation system *