《LINUX實(shí)戰(zhàn):PXE+Kickstart安裝CentOS 7.3》要點(diǎn):
本文介紹了LINUX實(shí)戰(zhàn):PXE+Kickstart安裝CentOS 7.3,希望對(duì)您有用。如果有疑問(wèn),可以聯(lián)系我們。
Linux體系版本:CentOS 7.3
軟件版本:yum? epel源
主機(jī)IP:? ? 192.168.8.35
必要軟件:tftp-server dhcp syslinux xinetd system-config-kickstart nginx
?
[root@node1 ~]# yum -y install tftp-server dhcp syslinux xinetd system-config-kickstart
[root@node1 ~]# cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcp/dhcpd.conf
[root@node1 ~]# vim /etc/dhcp/dhcpd.conf? ? # 添加如下行
subnet 192.168.8.0 netmask 255.255.255.0 {
? ? ? ? option routers 192.168.8.35;
? ? ? ? range 192.168.8.103 192.168.8.200;
? ? ? ? option domain-name-servers 192.168.8.35;
? ? ? ? filename "pxelinux.0";
? ? ? ? next-server 192.168.8.35;
? ? ? ? default-lease-time 600;
? ? ? ? max-lease-time 7200;
}
# 改完之后重新dhcpd
# 命令詳解
# option routers? ? ? ? ? ? ? ? dhcp路由地址
# range? ? ? ? ? ? ? ? ? ? ? ? ? ? dhcp分配地址池
# default-lease-time? ? ? ? ? dhcp默認(rèn)時(shí)長(zhǎng)
# filename? ? ? ? ? ? ? ? ? ? ? ? ? pxe服務(wù)名稱(chēng)
# next-server? ? ? ? ? ? ? ? pxe服務(wù)器地址
# allow members? ? ? ? ? ? pxe最年夜值
vim /etc/xinetd.d/tftp
? ? disable? ? ? ? ? ? ? ? = no
# 將disable 改為no? 改完之后重新瞬間守護(hù)過(guò)程
# 設(shè)置裝備擺設(shè)nginx
[root@node1 ~]# vim /etc/nginx/nginx.conf? ? 添加一個(gè)server段
? ? server {
? ? ? ? listen? ? ? 80;
? ? ? ? server_name? 192.168.8.35;
? ? ? ? location / {
? ? ? ? ? ? ? ? root /mnt/cdrom;
? ? ? ? ? ? ? ? autoindex on;
? ? ? ? }
? ? ? ? location /ks {
? ? ? ? ? ? ? ? alias /var/lib/tftpboot;
? ? ? ? ? ? ? ? autoindex on;
? ? ? ? }
}
[root@node1 cdrom]# cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/
[root@node1 cdrom]# cp /mnt/cdrom/isolinux/boot.msg /var/lib/tftpboot/
[root@node1 cdrom]# cp /mnt/cdrom/isolinux/vesamenu.c32 /var/lib/tftpboot/
[root@node1 cdrom]# cp /mnt/cdrom/isolinux/splash.png /var/lib/tftpboot/
[root@node1 ~]# cp /mnt/cdrom/images//pxeboot/{initrd.img,vmlinuz} /var/lib/tftpboot/
[root@node1 ~]# mkdir? /var/lib/tftpboot/pxelinux.cfg
[root@node1 ~]# cp /mnt/cdrom/isolinux/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default
[root@node1 ~]#? vim /var/lib/tftpboot/pxelinux.cfg/default
? ? ? ? label linux Centos 7.2
? ? ? ? ? menu label ^Install Centos 7.2 system
? ? ? ? ? menu default
? ? ? ? ? kernel vmlinuz
? ? ? ? ? append initrd=initrd.img inst.ks=http://192.168.8.35/ks/ks.cfg quiet
[root@node1 ~]# systemctl restart? xinetd.service
[root@node1 ~]# systemctl restart? dhcpd.service
[root@node1 ~]# systemctl restart? nginx
# 掛載光盤(pán)鏡像至/opt/cdrom以下的格式必需為[development]? 否則將報(bào)錯(cuò)
# yum源 格式強(qiáng)制 不然會(huì)報(bào)軟件無(wú)法加載錯(cuò)誤
[development]
name=yum
baseurl=file:///mnt/cdrom/
enable=1
gpgcheck=0
?
[epel]
name=epel_rpm
baseurl=http://192.168.9.19:81/epel7/
enable=1
gpgcheck=0
# 安裝kickstart軟件包設(shè)置裝備擺設(shè)啟動(dòng)文件
[root@node1 ~]# system-config-kickstart
cat /var/lib/tftpboot/ks.cfg
#platform=x86, AMD64, 或 Intel EM64T
#version=DEVEL
# Install OS instead of upgrade
install
# Keyboard layouts
keyboard 'us'
# Root password
rootpw --iscrypted $1$fu4CwNue$NpzCFx7OTL4w9xPWv4TEN1
# System timezone
timezone Asia/Shanghai
# Use network installation
url --url="http://192.168.8.35/"
# System language
lang zh_CN
# Firewall configuration
firewall --disabled
# System authorization information
auth? --useshadow? --passalgo=sha512
# Use graphical install
graphical
# SELinux configuration
selinux --disabled
# Do not configure the X Window System
skipx
# Reboot after installation
reboot
# System bootloader configuration
bootloader --location=mbr
# Partition clearing information
clearpart --all --initlabel
# Disk partitioning information
part /boot --fstype="xfs" --size=500
part swap --fstype="swap" --size=4096
part / --fstype="xfs" --grow --size=1
%post
wget -O /tmp/install.sh http://192.168.8.35/ks/install.sh
/bin/bash /tmp/install.sh
%end
%packages
@development
%end
cat /var/lib/tftpboot/install.sh
#!/bin/bash
##############################################################
# File Name: install cenos 7.2
# Version: V1.0
# Created Time : 2017年06月13日 17:35:05
# Description: Linux system initialization
##############################################################
yum -y install net-tools vim? ntpdate
rm -rf /etc/yum.repos.d/Cent*
cat << EOF >> /etc/yum.repos.d/yum.repo
[development]
name=yum
baseurl=file:///opt/cdrom/
enable=1
gpgcheck=0
[epel]
name=epel_rpm
baseurl=http://192.168.9.19:81/epel7/
enable=1
gpgcheck=0
EOF
IPADDR=`ifconfig | grep "192.168.8.255" | awk '{print $2}'`
cat << EOF >> /etc/sysconfig/network-scripts/ifcfg-eno16777984
TYPE=Ethernet
BOOTPROTO=none
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
NAME=eno16777984
UUID=fbacacf0-ee9a-4c3a-af76-c49d4789170b
DEVICE=eno16777984
ONBOOT=yes
IPADDR=$IPADDR
PREFIX=24
GATEWAY=192.168.8.1
DNS1=114.114.114.114
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_PRIVACY=no
EOF
echo "* */1 * * * ntpdate 192.168.8.35 2&> /dev/null &" > /var/spool/cron/root
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