Linux note 2-1 automatic installation system

1. Automatic Installation system *******

# # 1. Kickstart Script # #
Kickstart script is the automatic answer system in the installation process all the problems
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

# # 2.kickstart Script production # # in the virtual machine
It's hard to write kickstart manually.
The Systm-config-kickstart tool in the system can be made graphically kickstart

The production process is as follows:

Configure the Environment:

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Install graphics tools: Yum install system-config-kickstart-y 650) this.width=650; "Src=" http://s5.51cto.com/wyfs02/M02/ 89/77/wkiol1gui2xrh41saab1olyck-m919.png "title=" Capture 2. PNG "style=" Float:none; "alt=" Wkiol1gui2xrh41saab1olyck-m919.png "/>

Open Graphics KS Authoring tool: System-config-kickstart

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Start Making:

Basic Configuration

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Installation method

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Boot loader selection

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Partition

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Network configuration

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Firewall configuration

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Other options that do not change, follow the default

Save

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Vim Open File

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File last Add install package

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So our KS file is ready to be made.

Detection KS Syntax:ksvalidator ks.cfg 650) this.width=650; src= http://s3.51cto.com/wyfs02/M02/89/78/ Wkiol1gujq6tq0v2aaaukzoeuqa947.png "title=" 12.PNG "style=" Float:none; "alt=" wkiol1gujq6tq0v2aaaukzoeuqa947.png "/ >

# 3.kickstart File Share # # in the virtual machine

Installing Httpd:yum Install Httpd-y

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Setup service: Systemctl stop Firewalld.service
Systemctl Disable Firewalld.service
Systemctl Start httpd
systemctl Enable httpd

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Move the KS file to/var/www/html so that other hosts can access this file

CP ks.cfg/var/www/html
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# 4. Test KS File # # in the real machine

Installing virtual machines from the network
A. Graphics detection

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We can see our kstest mainframe in virtual device management.

Other options follow the default

B. Command detection

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C. Script Detection

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# # Attach. PXE Network installation Service # #
1. Corresponding Software Installation virtual machines
Installation Services: Yum install DHCP tftp-server syslinux httpd-y

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Shutting down the firewall

Systemctl Stop Firewalld.service

Prohibit firewall
Syystemctl Disable Firewalld.service

Vim opens the Super service configuration file
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Change settings
[disable = yes] ===> [disable = no]

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set service
Systemctl Restart httpd
systemctl start httpd
systemctl enable httpd
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2. Must download and copy files virtual machines
cp/usr/share/syslinux/pxelinux.0/var/lib/tftpboot/

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

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Mkdir/var/lib/tftpboot/pxelinux.cfg

Cp/var/lib/tftpboot/isolinux.cfg/var/lib/tftpboot/pxelinux.cfg/default
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configuration of the 3.DHCPD service Virtual Machines

Copy dhcpd configuration template to/etc/dhcp/dhcpd.conf

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Configuration file, and then restart the DHCPD service

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4. Testing in the real machine

Installing virtual machines from a network boot in a real machine

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Appendix: Kickstart File Parameters

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Linux note 2-1 automatic installation system