kickstart搭建

Posted 2020-10-14

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1.1 kickstart的安装

1.1.1 系统环境准备

查看系统的版本：

[[email protected] ~]# cat /etc/redhat-release

CentOS Linux release 7.4.1708 (Core) CentOS release 6.9 (Final)

查看系统的内核：

[[email protected] ~]# uname -r

3.10.0-693.el7.x86_64

查看selinux是否关闭：

[[email protected] ~]# getenforce

Permissive

查看防火墙是否关闭：

[[email protected] ~]# systemctl status firewalld.service

● firewalld.service - firewalld - dynamic firewall daemon

   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)

   Active: inactive (dead)

     Docs: man:firewalld(1)

1.1.2 安装dhcp及配置

1.1.2.1  安装dhcp

[[email protected] ~]# yum -y install dhcp

查看是否安装成功：

[[email protected] ~]# rpm -qa |grep dhcp

dhcp-libs-4.2.5-58.el7.centos.x86_64

dhcp-4.2.5-58.el7.centos.x86_64

dhcp-common-4.2.5-58.el7.centos.x86_64

1.1.2.2  修改dhcp的配置文件

[[email protected] ~]# vim /etc/dhcp/dhcpd.conf

subent 10.0.0.0 netmask 255.255.255.0 {

       range 10.0.0.100 10.0.0.200;

       option subnet-mask 255.255.255.0;

       default-lease-time 21600;

       max-lease-time 43200;

       next-server 10.0.0.201

       filename "/pxelinux.0";

说明：

subent 10.0.0.0  分配的网段

netmask 255.255.255.0 子网掩码

range 10.0.0.100 10.0.0.200;   可分配的地址

option subnet-mask 255.255.255.0;   可分配的子网掩码

default-lease-time 21600;     设置默认的ip租用期限

max-lease-time 43200;       最大的租期期限

next-server 10.0.0.201       TFTP的服务器的ip地址

filename "/pxelinux.0";       需要从 tftp服务器上下载的文件

1.1.2.3   启动dhcp服务

[[email protected] ~]# systemctl start dhcpd

1.2  安装TFTP服务

[[email protected] ~]# yum -y install tftp-server

查看是否安装成功：

[[email protected] ~]# rpm -qa |grep tftp-server

tftp-server-5.2-13.el7.x86_64

1.2.1 启动TFTP服务

[[email protected] ~]# systemctl start tftp.socket

1.2.2  安装pxelinux.0启动文件

[[email protected] ~]# yum -y install syslinux

把pxelinux.0启动文件移动到TFTP的根目录下：

[[email protected] ~]# cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/

1.2.3  挂载镜像

 

[[email protected] ~]# mkdir -p /var/www/html/CentOS7

[[email protected] ~]# mount /dev/cdrom /var/www/html/CentOS7/

1.2.4 从镜像中找到相关的配置文件

[[email protected] ~]# cp -a /var/www/html/CentOS7/isolinux/* /var/lib/tftpboot/

[[email protected] ~]# mkdir -p /var/lib/tftpboot/pxelinux.cfg

[[email protected] ~]# cp /var/www/html/CentOS7/isolinux/isolinux.cfg /var/lib/t

 [[email protected] ~]# cp /var/www/html/CentOS7/isolinux/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default

1.3  安装http服务

[[email protected] ~]# yum -y install httpd

[[email protected] ~]# systemctl start httpd.service

1.3.1 检查步骤

[[email protected] ~]# curl http://172.16.1.201/CentOS7/

http://172.16.1.201/CentOS7/

 

1.4 配置default

 [[email protected] ~]# vim /var/lib/tftpboot/pxelinux.cfg/default

default ks

prompt 0

label ks

  kernel vmlinuz

  append initrd=initrd.img ks=http://172.16.1.201/ks_config/CentOS7-ks.cfg net.ifnames=0 biosdevname=0 ksdevice=eth1

1.5 配置启动文件

 

 

[[email protected] ~]# vim /var/www/html/ks_config/CentOS7-ks.cfg

# Kickstart Configurator for CentOS 7 by yao zhang

install

url --url="http://172.16.1.201/CentOS7/"

text

lang en_US.UTF-8

keyboard us

zerombr

network  --hostname=Cobbler

#network --bootproto=dhcp --device=eth1 --onboot=yes --noipv6 --hostname=CentOS7

timezone --utc Asia/Shanghai

authconfig --enableshadow --passalgo=sha512

clearpart --all --initlabel

part /boot --fstype xfs --size 1024

part swap --size 1024

part / --fstype xfs --size 1 --grow

firstboot --disable

selinux --disabled

firewall --disabled

logging --level=info

reboot

 

%packages

@^minimal

@compat-libraries

@debugging

@development

tree

nmap

sysstat

lrzsz

dos2unix

telnet

wget

vim

bash-completion

%end

 

%post

systemctl disable postfix.service

%end

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