CentOS7下部署Cobbler实现PXE+Kickstart自动化安装

CentOS7下部署Cobbler实现PXE+Kickstart自动化安装的操作步骤

1、使用腾讯软件源站点https://mirrors.cloud.tencent.com/

下载epel镜像源配置文件

wget -O /etc/yum.repos.d/epel.repo http://mirrors.cloud.tencent.com/repo/epel-7.repo

2、 yum install cobbler cobbler-web

3、安装cobbler会用到的一些组件包

yum install dhcp tftp-server pykickstart httpd rsync xinetd

4、启动cobblerd和httpd服务

systemctl start cobblerd.service

systemctl start httpd.service

cobbler check检查配置

5、根据上面cobbler check检查配置给出的提示，一一进行配置

1)cd /etc/cobbler/

cp settings settings_default_bak

2)278行net_server:127.0.0.1改成192.168.31.200

390行server: 127.0.0.1改成192.168.31.200

3)vi /etc/xinetd.d/tftp

改disable=yes为disable= no

然后systemctl enable xinetd

systemctl enable tftp

systemctl start xinetd

systemctl start tftp

4)cobbler get-loaders

下载操作系统引导文件

5)启动rsyncd服务，并设为开机自启动

systemctl enable rsyncd

systemctl start rsyncd

6)vi /etc/cobbler/dhcp.template

7)vi /etc/cobbler/settings

manage_dhcp: 0改为manage_dhcp: 1

8)重启服务，同步配置文件

systemctl restart cobblerd

cobbler sync

9)cobbler check检查配置

10)openssl passwd -1 -salt 'root' 'admin@2020'

vi /etc/cobbler/settings

default_password_crypted: "$1$root$afc2RZysD6SOx07LLBnwB0"

这时再重启cobblerd服务

systemctl restart cobblerd

cobbler sync同步配置

cobbler check 这时只有一个无关紧要的提示项

6、配置基本完成后，挂载CentOS7.7.1908版本的官方ISO镜像包

7、导入镜像

1）cobbler import --path=/mnt/cdrom --name=CentOS_7.7.1908

2）cobbler list

3）systemctl restart cobblerd.service

cobbler sync

8、验证Web是否可以正常访问

http://192.168.31.200/cobbler/ks_mirror/

9、新建一台虚拟机，测试PXE安装

10、关于定制Kickstart实现一键安装的操作步骤

1)cd /var/lib/cobbler/kickstarts/

vi CentOS7.ks

关于ks文件可以参考之前的文章

CentOS系统下PXE服务器的搭建与部署

PXE+Kickstart实现无人值守自动化安装CentOS系统

CentOS6.9下制作一键安装的ISO系统镜像

kickstart配置文件如下，

#platform=x86, AMD64, or Intel EM64T

#version=DEVEL

# Install OS instead of upgrade

install

# Keyboard layouts

keyboard 'us'

# Root password

rootpw --iscrypted $1$.V2f7Wsz$0EdykaW/HEQoy./Zs3Tfu.

# System language

lang en_US

# System authorization information

auth --useshadow --passalgo=sha512

# Use network installation

url --url="http://192.168.31.200/cobbler/ks_mirror/CentOS_7.7.1908"

# Use graphical install

graphical

# SELinux configuration

selinux --disabled

# Do not configure the X Window System

skipx

# Firewall configuration

firewall --disabled

# Network information

network --bootproto=dhcp --device=ens33 --onboot=on

# Reboot after installation

reboot

# System timezone

timezone Asia/Shanghai --isUtc

# System bootloader configuration

bootloader --location=mbr

# Clear the Master Boot Record

zerombr

# Partition clearing information

clearpart --all --initlabel

# Disk partitioning information

part /boot --fstype=ext4 --asprimary --size=1024

part / --fstype=ext4 --asprimary --size=20480

part swap --asprimary --size=16384

part pv.008006 --grow --size=200

volgroup vg_centos --pesize=4096 pv.008006

logvol /opt --fstype=ext4 --name=lv_opt --vgname=vg_centos --grow --size=200

%packages

@^infrastructure-server-environment

@base

@core

@debugging

@development

@file-server

@ftp-server

@ha

chrony

kexec-tools

%end

关于profile默认使用的ks是/var/lib/cobbler/kickstarts/sample_end.ks

使用cobbler profile edit 进行编辑

cobbler profile edit --name=CentOS_7.7.1908-x86_64 --kickstart=/var/lib/cobbler/kickstarts/CentOS7.ks

3) mount -t iso9660 /CentOS_ISO/CentOS-7-x86_64-DVD-1908.iso /temp_cdrom/

cd /temp_cdrom/

cp -r * /mnt/cdrom/

4）先删除前面的cobbler profile 和distro

5)cobbler import --path=/mnt/cdrom --name=CentOS_7.7.1908

重新导入镜像并修改profile

6）重新启动cobblerd服务，并同步配置

systemctl restart cobblerd.service

cobbler sync

7)测试一键PXE+Kickstart自动安装，如下图所示全程无需操作可以直接实现一键安装

本次实验实现过程参考如下文章完成

1）《Linux就该这么学》公众号：实用帖：搭建Cobbler无人值守安装服务器

2）https://www.cnblogs.com/zhangxingeng/p/9702625.html