SHELL脚本之配置PXE批量无人值守装机

PXE批量无人值守装机脚本

准备2个网卡:

第一个网卡使用NET,用来安装服务
第2个网卡用来提供dhcp服务

#!/bin/bash#部署pxe批量装机服务#配置双网卡#定义网卡配置文件位置k=/etc/sysconfig/network-scripts#复制网卡配置文件模板cd /etc/sysconfig/network-scriptscp -p ifcfg-ens33 ifcfg-ens36#修改第2块网卡配置文件sed -i 's/dhcp/static/' $k/ifcfg-ens36sed -i 's/ens33/ens36/' $k/ifcfg-ens36sed -i '/UUID/d' $k/ifcfg-ens36cat >>$k/ifcfg-ens36 <<-EOFIPADDR=192.168.100.100NETMASK=255.255.255.0GATEWAY=192.168.100.1EOF#重启网络服务systemctl restart network#防止yum安装进程休眠rm -rf /var/run/yum.pid#安装必要服务yum install dhcp syslinux tftp-server vsftpd -y#修改DHCP服务配置文件cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcp/dhcpd.confcat >>/etc/dhcp/dhcpd.conf <<-EOFsubnet 192.168.100.0 netmask 255.255.255.0 {range 192.168.100.10 192.168.100.20;option routers 192.168.100.100;next-server 192.168.100.100;filename "pxelinux.0";}EOF#定义要经常用的tftp站点tftp=/var/lib/tftpboot#复制引导程序到tftp站点cp /usr/share/syslinux/pxelinux.0 $tftp/#修改tftp配置文件sed -i '/disable/s/yes/no/g' /etc/xinetd.d/tftp#创建镜像文件挂载点cd /var/ftpmkdir centos7#挂载镜像文件mount /dev/sr0 /var/ftp/centos7#复制压缩内核和系统初始化文件到tftp站点cd centos7/images/pxebootcp initrd.img vmlinuz $tftp#在tftp站点中创建启动菜单存放位置cd $tftpmkdir pxelinux.cfgcd pxelinux.cfg#创建启动菜单文件cat >default <<-EOFdefault autoprompt 1label autokernel vmlinuzappend initrd=initrd.img method=ftp://192.168.100.100/centos7 ks=ftp://192.168.100.100/ks.cfglabel linux textkernel vmlinuzappend text initrd=initrd.img method=ftp://192.168.100.100/centos7label linux rescuekernel vmlinuzappend rescue initrd=initrd.img method=ftp://192.168.100.100/centos7EOF#安装系统工具yum install system-config-kickstart -y#创建系统安装过程文件cat >/var/ftp/ks.cfg <<-EOF#platform=x86, AMD64, 或 Intel EM64T#version=DEVEL#Install OS instead of upgradeinstall#Keyboard layoutskeyboard 'us'#Root passwordrootpw --plaintext 123#Use network installationurl --url="ftp://192.168.100.100/centos7/"#System languagelang zh_CN#System authorization informationauth  --useshadow  --passalgo=sha512#Use graphical installgraphicalfirstboot --disable#SELinux configurationselinux --disabled#Firewall configurationfirewall --disabled#Network informationnetwork  --bootproto=dhcp --device=ens33#Reboot after installationreboot#System timezonetimezone Asia/Shanghai#System bootloader configurationbootloader --location=mbr#Partition clearing informationclearpart --all#Disk partitioning informationpart /boot --fstype="xfs" --size=500part swap --fstype="swap" --size=4096part /home --fstype="xfs" --size=4096part / --fstype="xfs" --grow --size=1%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@x11chronykexec-tools%endEOF#关闭防火墙systemctl stop firewalld.servicesetenforce 0#启动所有服务systemctl start dhcpdsystemctl start tftpsystemctl start vsftpd