Kickstart and the production of the Guide image

Anaconda Introduction

Set the disc to boot the operating system for the first boot entry. When the CD-ROM starts boot.cat, and isolinux.bin These two files start the graphical boot interface, type ESC in the graphical boot interface type the boot interface, type the Boot tab, and then start the corresponding kernel and init files according to the tag information recorded by the Isolinux.cfg file, configure the IP address and Anaconda automatically install the file, start contacting the server to install the operating system automatically.

The Anaconda startup process is divided into three stages:

Pre-installation configuration: keyboard type, locale, administrator password, disk partition

Installation execution procedure: Installs the user to install the package, after the installation tree resolves the dependency, executes the installation package

First boot: Set Iptables,selinux,coredump

Kickstart configuration file Authoring and parameter descriptions

Composition of the Kickstart file

command segments: such as configuring locales, keyboard types, root passwords, and disk partitions are all set here.

Package Segment :%package (indicates the beginning of the package segment),%end (indicates the end of the package segment)

@group

Package

-package

Script segment:

%pre

Pre-installation script: The script to be executed before the installation process begins;

Note: The Linux system environment at this time is a miniature environment, so the script should be relatively simple

Such as: Create raid

%post

Post-Installation script: The script to be executed after the installation process is complete;

Note: The script execution Environment is a complete system that has already been installed;

such as: Cacti and Nagios client automatic installation and so on.

To configure the Kickstart method:

(1) Manually edit the configuration file

(2) System-config-kickstart,gui Tools

Installation: System-config-kickstart

Yum-y Install System-config-kickstart

Open: System-config-kickstart, enter System-config-kickstart directly on the command line

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6B/CA/wKioL1U3PTvyg7iMAAJWQ5DoAGw761.jpg "/>

Example: Description of the Kickstart file used by the following experiment

[[email protected] ~]# cat ks.cfg # kickstart file automatically  Generated by anaconda. #version =develinstallnfs --server=172.16.4.100 --dir=/media/cdrom   #程序包的位置lang  en_us. utf-8  #语言环境keyboard  us   #键盘类型 #root password rootpw  --iscrypted $6$cgsqab6d$ cd.pnnwtll5xzayr9j2zomqyjh1qodcdp1pqp0uz1f0cq4eq9.tmksqu6ifpvyzeyc32.lmf0lkuqwavnc49a0  reboot     #设置完成之后重启firewall  --disabled   #禁用防火墙authconfig  --useshadow  -- passalgo=sha512  #用户认证配置, Useshadow represents the use of local authentication,--passalgo represents a cryptographic encryption algorithm selinux --disabled   # Disabling selinuxtimezone asia/shanghai  #设置时区为上海 # indicates the installation location of the bootloader, indicating the sequencing of the drive, indicating the parameters passed to the kernel after the operating system installation is complete bootloader  --location=mbr --driveorder=sda --append= "CRASHKERNEL=AUTO CRASHKERNEL=AUTO RHGB  rhgb quiet quiet "clearpart --all    #清除硬盘上的所有数据part  /boot -- Fstype=ext4 --size=200  #创建一个200M大小的分区挂载/boot type is ext4part pv.008002 --size=61440  #创建pv, The PV behind the part is the only indication that the number must be PV, as long as it does not clash with other PV volgroup vg0 --pesize=8192 pv.008002   #创建卷组logvol  / --fstype=ext4 --name=root --vgname=vg0 --size=20480   #创建逻辑卷logvol   Swap --name=swap --vgname=vg0 --size=2048logvol /usr --fstype=ext4 --name=usr  --vgname=vg0 --size=10240logvol /var --fstype=ext4 --name=var --vgname=vg0  --size=20480%packages  #安装的程序包组 @Base    @ Core@base@basic-desktop@chinese-support@client-mgmt-tools@core@desktop-platform@fonts@general-desktop@graphical-admin-too ls@legacy-x@network-file-system-client@perl-runtime@remote-desktop-clients@x11ibus-table-cangjie     #单独安装的软件ibus-table-erbiibus-table-wubilftptree%end%post   #安装后的脚本sed  -i  ' 1,[email  protected]:[0-9]:initdefault: @id: 3:initdefault:@g '  /etc/iniTtab   end 

Demo: Create a boot image using Kickstart.

Lab Environment:

[Email protected] ~]# cat/etc/redhat-release CentOS release 6.6 (Final) [[email protected] ~]# uname-rm2.6.32-504.el6.x8 6_64 x86_64

Pre-Configuration preparation: Configuring network sources

Configure Server for NFS: Reduce the volume of the boot image

[Email protected] ~]# mkdir/media/cdrom[[email protected] ~]# Mount/dev/cdrom/media/cdrom/[[email protected] ~]# RPM- QA | grep nfsnfs-utils-1.2.3-54.el6.x86_64nfs-utils-lib-1.1.5-9.el6.x86_64nfs4-acl-tools-0.3.3-6.el6.x86_64[[email Protected] ~]# echo "/MEDIA/CDROM/172.16.4.0/16 (Ro,sync)" >>/etc/exports[[email protected] ~]# cat/etc/exports/ MEDIA/CDROM/172.16.4.0/16 (Ro,sync) [[email Protected] ~]# Service NFS Start[[email protected] ~]# showmount-e 172.16.4.2 0Export list for 172.16.4.20:/media/cdrom 172.16.4.0/16

making an automatic installation disc

[[email protected] ~]# mkdir /tmp/cdrom   #创建一个制作目录, used to store the boot file and then make the boot disk [[email  protected] ~]# cp -r /media/cdrom/isolinux//tmp/cdrom/  # Copy the isolinux of the system disk to the authoring directory [[Email protected] ~]# chmod u+w /tmp/cdrom/isolinux/*[[email  protected] ~]# ll /tmp/cdrom/isolinux/total 38572-rw-r--r-- 1 root  Root     2048 apr 7 01:17 boot.cat-rw-r--r-- 1 root  root       84 apr 7 01:17 boot.msg-rw-r--r--  1 root root      334 Apr 7 01:17  grub.conf-rw-r--r-- 1 root root 34815427 apr  7 01:17  initrd.img-rw-r--r-- 1 root root    24576 apr 7 01:17  Isolinux.bin-rw-r--r-- 1 root root      936 apr 7 01:17 isolinux.cfg-rw-r--r-- 1 root root    165080 Apr 7 01:17 memtest-rw-r--r-- 1 root root    151230 Apr 7 01:17 splash.jpg-rw-r--r-- 1 root root      2215 apr 7 01:17 trans. tbl-rw-r--r-- 1 root root   163728 apr 7 01:17  vesamenu.c32-rwxr-xr-x 1 root root  4152336 apr 7 01:17 vmlinuz[[ email protected] ~]# cp ks.cfg /tmp/cdrom/   #复制ks. CFG to production directory [[email  Protected] ~]# mkisofs -r -j -t -v--no-emul-boot --boot-load-size 4  --boot-info-table -V  "Centos 6.6 x86_64boot disk"  -b isolinux/ isolinux.bin -c isolinux/boot.cat -o /root/boot.iso/tmp/cdrom/

Parameters for making discs:

-R,-J,-T,-V: A fixed parameter can be added

--no-emul-boot: Does not simulate boot boot process

--boot-load-size: Boot-time mount size is 4

--boot-info-table: Add table when booting

-V: Indicates the disc label

-B: Indicates the boot file

-C: Indicates the boot file that displays the menu at boot time

-O: Indicates where the creation is done

If using a boot image:

(1) Create a new virtual machine and put the bootable CD in

(2) The boot will appear a selection menu, enter ESC built, enter the character start screen.

(3) After entering the character Start screen, enter Linux, which means to install the operating system, configure the IP address and subnet mask to communicate with the NFS server on the network, then indicate the location of the ks.cfg, then enter.

650) this.width=650; "style=" Float:none; "title=" Boot.png "src=" http://s3.51cto.com/wyfs02/M00/6B/CE/ Wkiom1u3ppbxlkcqaacv0jpvwhi525.jpg "alt=" Wkiom1u3ppbxlkcqaacv0jpvwhi525.jpg "/>

After the carriage return, the way is automatically configured, and then nothing needs to be done, the installation is complete.

650) this.width=650; "style=" Float:none; "title=" install. png "src=" http://s3.51cto.com/wyfs02/M01/6B/CE/ Wkiom1u3pp2apxnkaahvrlaj5vs513.jpg "alt=" Wkiom1u3pp2apxnkaahvrlaj5vs513.jpg "/>

Kickstart and the production of the Guide image