无显卡串口加pxe安装linux,shell脚本一键装机（pxe配合kickstart无人值守）

shell脚本一键装机(pxe配合kickstart无人值守)

shell脚本实现无人值守安装

图文详细步骤可以参前期博文：

vim pxe.sh

#!/bin/bash

#安装并启用 TFTP 服务

rpm -qc tftp-server.x86_64

if [ $? -ne 0 ]

then

yum install -y tftp-server.x86_64 &> /dev/null

fi

rpm -qc xinetd

if [ $? -ne 0 ]

then

yum -y install xinetd &>/dev/null

fi

sed -i 's/yes/no/g' /etc/xinetd.d/tftp

systemctl start tftp

systemctl enable tftp

systemctl start xinetd

systemctl enable xinetd

#安装并启用 DHCP 服务

yum -y install dhcp &>/dev/null

cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcp/dhcpd.conf

echo 'ddns-update-style none;

next-server 192.168.126.20;

filename "pxelinux.0";' >> /etc/dhcp/dhcpd.conf

echo 'subnet 192.168.126.0 netmask 255.255.255.0 {

range 192.168.126.100 192.168.126.200;

option routers 192.168.126.20;

}' >> /etc/dhcp/dhcpd.conf

systemctl start dhcpd

systemctl enable dhcpd

#准备 Linux 内核、初始化镜像文件

df -h | grep sr0

if [ $? -eq 0 ]

then

echo "光盘镜像已挂在"

else

mount /dev/cdrom /mnt

fi

cp /mnt/images/pxeboot/vmlinuz /var/lib/tftpboot

cp /mnt/images/pxeboot/initrd.img /var/lib/tftpboot

#准备 PXE 引导程序

yum -y install syslinux &>/dev/null

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

#安装FTP服务，准备CentOS 7 安装源

yum -y install vsftpd &>/dev/null

mkdir /var/ftp/centos7

cp -rf /mnt/* /var/ftp/centos7/

systemctl start vsftpd

systemctl enable vsftpd

#配置启动菜单文件

mkdir /var/lib/tftpboot/pxelinux.cfg

touch /var/lib/tftpboot/pxelinux.cfg/default

cat > /var//lib/tftpboot/pxelinux.cfg/default <

default auto

prompt 0

label auto

kernel vmlinuz

append initrd=initrd.img method=ftp://192.168.126.20/centos7 ks=ftp://192.168.126.20/ks.cfg

label linux text

kernel vmlinuz

append text initrd=initrd.img method=ftp://192.168.126.20/centos7

label linux rescue

kernel vmlinuz

append rescue initrd=initrd.img method=ftp://192.168.126.20/centos7

EOF

#关闭防火墙，验证PXE安装

systemctl stop firewalld.service

setenforce 0

yum install -y system-config-kickstart &>/dev/null

cp /root/ks.cfg /var/ftp/ks.cfg

/root/ks.cfg的内容

#platform=x86, AMD64, 或 Intel EM64T

#version=DEVEL

# Install OS instead of upgrade

install

# Keyboard layouts

keyboard 'us'

# Root password

rootpw --iscrypted $1$W.DC43qQ$xKFG9eiHd9shGDTYvzucb.

# Use network installation

url --url="ftp://192.168.126.20/cenos7"

# System language

lang zh_CN

# Firewall configuration

firewall --disabled

# System authorization information

auth --useshadow --passalgo=sha512

# Use graphical install

graphical

firstboot --disable

# SELinux configuration

selinux --enforcing

# Network information

network --bootproto=dhcp --device=ens33

# Halt after installation

halt

# System timezone

timezone Asia/Shanghai

# System bootloader configuration

bootloader --location=mbr

# Clear the Master Boot Record

zerombr

# Partition clearing information

clearpart --all --initlabel

# Disk partitioning information

part /boot --fstype="xfs" --size=500

part swap --fstype="swap" --size=4096

part /home --fstype="xfs" --size=4096

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

%post --interpreter=/bin/bash

rm -rf /etc/yum.repos.d/*

echo '[local]

name=local

baseurl=ftp://192.168.126.20/centos7

enabled=1

gpgcheck=0’ > /etc/yum.repos.d/local.repo

%end

%packages

@^gnome-desktop-environment

@base

@core

@desktop-debugging

@dial-up

@directory-client

@fonts

@gnome-desktop

@guest-agents

@guest-desktop-agents

@input-methods

@internet-browser

@java-platform

@multimedia

@network-file-system-client

@networkmanager-submodules

@print-client

@x11

chrony

kexec-tools

%end