kickstart一键装机部署

1.第一步安装DHCP

yum -y install dhcp

1.1配置修改文件

cat >> /etc/dhcp/dhcpd.conf <<END

subnet 172.16.1.0 netmask 255.255.255.0 {

range 172.16.1.100 172.16.1.200;

option subnet-mask 255.255.255.0;

default-lease-time ;

max-lease-time ;

next-server 172.16.1.61;

filename "/pxelinux.0";

}

END

#注释

range 172.16.1.120 172.16.1.200; # 可分配的起始IP-结束IP

option subnet-mask 255.255.255.0; # 设定netmask

default-lease-time ; # 设置默认的IP租用期限

max-lease-time ; # 设置最大的IP租用期限

next-server 172.16.1.61; # 告知客户端TFTP服务器的ip

filename "/pxelinux.0"; # 告知客户端从TFTP根目录下载pxelinux.0文件

2.第二步TFTP服务安装

yum -y install tftp-server

sed -i.ori '14s#yes#no#' /etc/xinetd.d/tftp

/etc/init.d/xinetd start

3.配置支持PXE的启动程序

yum -y install syslinux

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

4.安装httpd服务

yum -y install httpd #安装

sed -i "277i ServerName 127.0.0.1:80" /etc/httpd/conf/httpd.conf #sed修改配置文件

mkdir /var/www/html/CentOS6. #创建一个系统挂载目录

mount /dev/cdrom /var/www/html/CentOS6./ #挂载磁盘到系统文件目录

cp -a /var/www/html/CentOS6./isolinux/* /var/lib/tftpboot/ #复制系统配置文件到启动程序目录

mkdir -p /var/lib/tftpboot/pxelinux.cfg #创建启动文件

cp /var/www/html/CentOS6.9/isolinux/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default

5.配置编写启动文件和优化脚本

[root@m01 ks_config]# pwd

/var/www/html/ks_config

[root@m01 ks_config]# ls

CentOS-6.9-ks.cfg epel.repo optimization.sh sysctl.conf

CentOS-Base.repo hosts sshd_config

[root@m01 ks_config]#

1. 启动文件CentOS-6.9-ks.cfg

cat >/var/www/html/ks_config/CentOS-6.9-ks.cfg <<END

install

url --url="http://172.16.1.61/CentOS6.9/"

text

lang en_US.UTF-

keyboard us

zerombr

bootloader --location=mbr --driveorder=sda --append="crashkernel=auto rhgb quiet"

network --bootproto=dhcp --device=eth1 --onboot=yes --noipv6 --hostname=CentOS6

timezone --utc Asia/Shanghai

authconfig --enableshadow --passalgo=sha512

rootpw --iscrypted $$X20eRtuZhkHznTb4$dK0BJByOSAWSDD8jccLVFz0CscijS9ldMWwpoCw/ZEjYw2BTQYGWlgKsn945fFTjRC658UXjuocwJbAjVI5D6/

clearpart --all --initlabel

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

part swap --size=

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

firstboot --disable

selinux --disabled

firewall --disabled

logging --level=info

reboot

%packages

@base

@compat-libraries

@debugging

@development

tree

nmap

sysstat

lrzsz

dos2unix

telnet

%post

wget -O /tmp/optimization.sh http://172.16.1.61/ks_config/optimization.sh &>/dev/null

/bin/sh /tmp/optimization.sh

%end

END

2. 优化脚本optimization.sh

[root@m01 ks_config]# cat optimization.sh

#!/bin/bash

. /etc/init.d/functions

Ip=172.16.1.61

Port=

ConfigDir=ks_config

# Judge Http server is ok?

PortNum=`nmap $Ip -p $Port >/dev/null|grep open|wc -l`

[ $PortNum -lt  ] && {

echo "Http server is bad!"

exit

}

# Defined result function

function Msg(){

if [ $? -eq  ];then

action "$1" /bin/true

else

action "$1" /bin/false

fi

}

# Defined IP function

function ConfigIP(){

Suffix=`ifconfig eth1|awk -F "[ .]+" 'NR==2 {print $6}'`

cat >/etc/sysconfig/network-scripts/ifcfg-eth0 <<-END

DEVICE=eth0

TYPE=Ethernet

ONBOOT=yes

NM_CONTROLLED=yes

BOOTPROTO=none

IPADDR=10.0..$Suffix

PREFIX=

GATEWAY=10.0.0.254

DNS1=10.0.0.254

DEFROUTE=yes

IPV4_FAILURE_FATAL=yes

IPV6INIT=no

NAME="System eth0"

END

Msg "config eth0"

cat >/etc/sysconfig/network-scripts/ifcfg-eth1 <<-END

DEVICE=eth1

TYPE=Ethernet

ONBOOT=yes

NM_CONTROLLED=yes

BOOTPROTO=none

IPADDR=172.16..$Suffix

PREFIX=

DEFROUTE=yes

IPV4_FAILURE_FATAL=yes

IPV6INIT=no

NAME="System eth1"

END

Msg "config eth1"

}

# Defined Yum source Functions

function yum(){

YumDir=/etc/yum.repos.d

[ -f "$YumDir/CentOS-Base.repo" ] && cp $YumDir/CentOS-Base.repo{,.ori}

wget -O $YumDir/CentOS-Base.repo http://$Ip:$Port/$ConfigDir/CentOS-Base.repo &>/dev/null &&\

wget -O $YumDir/epel.repo http://$Ip:$Port/$ConfigDir/epel.repo &>/dev/null &&\

Msg "YUM source"

}

# Defined add Ordinary users Functions

function AddUser(){

useradd oldboy &>/dev/null &&\

echo ""|passwd --stdin oldboy &>/dev/null &&\

sed -i '98a oldboy ALL=(ALL) NOPASSWD:ALL' /etc/sudoers &&\

visudo -c &>/dev/null

Msg "AddUser oldboy"

}

# Defined Hide the system version number Functions

function HideVersion(){

[ -f "/etc/issue" ] && >/etc/issue

Msg "Hide issue"

[ -f "/etc/issue.net" ] && > /etc/issue.net

Msg "Hide issue.net"

}

# Defined SSHD config Functions

function sshd(){

SshdDir=/etc/ssh

[ -f "$SshdDir/sshd_config" ] && /bin/mv $SshdDir/sshd_config{,.ori}

wget -O $SshdDir/sshd_config http://$Ip:$Port/$ConfigDir/sshd_config &>/dev/null &&\

chmod  $SshdDir/sshd_config

Msg "sshd config"

}

# Defined OPEN FILES Functions

function openfiles(){

[ -f "/etc/security/limits.conf" ] && {

echo '* - nofile 65535' >> /etc/security/limits.conf

Msg "open files"

}

}

# Defined Kernel parameters Functions

function kernel(){

KernelDir=/etc

[ -f "$KernelDir/sysctl.conf" ] && /bin/mv $KernelDir/sysctl.conf{,.ori}

wget -O $KernelDir/sysctl.conf http://$Ip:$Port/$ConfigDir/sysctl.conf &>/dev/null

Msg "Kernel config"

}

# Defined hosts file Functions

function hosts(){

HostsDir=/etc

[ -f "$HostsDir/hosts" ] && /bin/mv $HostsDir/hosts{,.ori}

wget -O $HostsDir/hosts http://$Ip:$Port/$ConfigDir/hosts &>/dev/null

Msg "Hosts config"

}

# Defined System Startup Services Functions

function boot(){

for oldboy in `chkconfig --list|grep "3:on"|awk '{print $1}'|grep -vE "crond|network|rsyslog|sshd"`

do

chkconfig $oldboy off

done

Msg "BOOT config"

}

# Defined Time Synchronization Functions

function Time(){

echo "#time sync by zhangyao at $(date +%F)" >>/var/spool/cron/root

echo '*/5 * * * * /usr/sbin/ntpdate ntp1.aliyun.com &>/dev/null' >>/var/spool/cron/root

Msg "Time Synchronization"

}

# Defined main Functions

function main(){

ConfigIP

yum

#AddUser

HideVersion

#sshd

openfiles

kernel

hosts

boot

Time

}

main

3.优化内核文件 sysctl.conf

# Kernel sysctl configuration file for Red Hat Linux

#

# For binary values,  is disabled,  is enabled. See sysctl() and

# sysctl.conf() for more details.

# Controls IP packet forwarding

net.ipv4.ip_forward = 

# Controls source route verification

net.ipv4.conf.default.rp_filter = 

# Do not accept source routing

net.ipv4.conf.default.accept_source_route = 

# Controls the System Request debugging functionality of the kernel

kernel.sysrq = 

# Controls whether core dumps will append the PID to the core filename.

# Useful for debugging multi-threaded applications.

kernel.core_uses_pid = 

# Controls the use of TCP syncookies

net.ipv4.tcp_syncookies = 

# Disable netfilter on bridges.

net.bridge.bridge-nf-call-ip6tables =

net.bridge.bridge-nf-call-iptables =

net.bridge.bridge-nf-call-arptables = 

# Controls the default maxmimum size of a mesage queue

kernel.msgmnb = 

# Controls the maximum size of a message, in bytes

kernel.msgmax = 

# Controls the maximum shared segment size, in bytes

kernel.shmmax = 

# Controls the maximum number of shared memory segments, in pages

kernel.shmall =

net.ipv4.tcp_fin_timeout =

net.ipv4.tcp_tw_reuse =

net.ipv4.tcp_tw_recycle =

net.ipv4.tcp_syncookies =

net.ipv4.tcp_keepalive_time =

net.ipv4.ip_local_port_range =

net.ipv4.tcp_max_syn_backlog =

net.ipv4.tcp_max_tw_buckets =

net.ipv4.route.gc_timeout =

net.ipv4.tcp_syn_retries =

net.ipv4.tcp_synack_retries =

net.core.somaxconn =

net.core.netdev_max_backlog =

net.ipv4.tcp_max_orphans =

[root@m01 ks_config]#

4. yum源文件

[root@m01 ks_config]# cat CentOS-Base.repo

# CentOS-Base.repo

#

# The mirror system uses the connecting IP address of the client and the

# update status of each mirror to pick mirrors that are updated to and

# geographically close to the client. You should use this for CentOS updates

# unless you are manually picking other mirrors.

#

# If the mirrorlist= does not work for you, as a fall back you can try the

# remarked out baseurl= line instead.

#

#

[base]

name=CentOS-$releasever - Base - mirrors.aliyun.com

failovermethod=priority

baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/

http://mirrors.aliyuncs.com/centos/$releasever/os/$basearch/

#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os

gpgcheck=

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6

#released updates

[updates]

name=CentOS-$releasever - Updates - mirrors.aliyun.com

failovermethod=priority

baseurl=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/

http://mirrors.aliyuncs.com/centos/$releasever/updates/$basearch/

#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates

gpgcheck=

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6

#additional packages that may be useful

[extras]

name=CentOS-$releasever - Extras - mirrors.aliyun.com

failovermethod=priority

baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/

http://mirrors.aliyuncs.com/centos/$releasever/extras/$basearch/

#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras

gpgcheck=

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6

#additional packages that extend functionality of existing packages

[centosplus]

name=CentOS-$releasever - Plus - mirrors.aliyun.com

failovermethod=priority

baseurl=http://mirrors.aliyun.com/centos/$releasever/centosplus/$basearch/

http://mirrors.aliyuncs.com/centos/$releasever/centosplus/$basearch/

#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus

gpgcheck=

enabled=

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6

#contrib - packages by Centos Users

[contrib]

name=CentOS-$releasever - Contrib - mirrors.aliyun.com

failovermethod=priority

baseurl=http://mirrors.aliyun.com/centos/$releasever/contrib/$basearch/

http://mirrors.aliyuncs.com/centos/$releasever/contrib/$basearch/

#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib

gpgcheck=

enabled=

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6

5.epel源文件

[root@m01 ks_config]# cat epel.repo

[epel]

name=Extra Packages for Enterprise Linux  - $basearch

baseurl=http://mirrors.aliyun.com/epel/6/$basearch

http://mirrors.aliyuncs.com/epel/6/$basearch

#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearch

failovermethod=priority

enabled=

gpgcheck=

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

[epel-debuginfo]

name=Extra Packages for Enterprise Linux  - $basearch - Debug

baseurl=http://mirrors.aliyun.com/epel/6/$basearch/debug

http://mirrors.aliyuncs.com/epel/6/$basearch/debug

#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-debug-6&arch=$basearch

failovermethod=priority

enabled=

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

gpgcheck=

[epel-source]

name=Extra Packages for Enterprise Linux  - $basearch - Source

baseurl=http://mirrors.aliyun.com/epel/6/SRPMS

http://mirrors.aliyuncs.com/epel/6/SRPMS

#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-source-6&arch=$basearch

failovermethod=priority

enabled=

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

gpgcheck=

6. ssh优化文件

[root@m01 ks_config]# cat sshd_config

#    $OpenBSD: sshd_config,v 1.80 // :: djm Exp $

# This is the sshd server system-wide configuration file. See

# sshd_config() for more information.

# This sshd was compiled with PATH=/usr/local/bin:/bin:/usr/bin

# The strategy used for options in the default sshd_config shipped with

# OpenSSH is to specify options with their default value where

# possible, but leave them commented. Uncommented options change a

# default value.

Port

PermitRootLogin no

PermitEmptyPasswords no

UseDNS no

GSSAPIAuthentication no

#Port

#AddressFamily any

#ListenAddress 0.0.0.0

#ListenAddress ::

# Disable legacy (protocol version ) support in the server for new

# installations. In future the default will change to require explicit

# activation of protocol

Protocol 

# HostKey for protocol version

#HostKey /etc/ssh/ssh_host_key

# HostKeys for protocol version

#HostKey /etc/ssh/ssh_host_rsa_key

#HostKey /etc/ssh/ssh_host_dsa_key

# Lifetime and size of ephemeral version  server key

#KeyRegenerationInterval 1h

#ServerKeyBits 

# Logging

# obsoletes QuietMode and FascistLogging

#SyslogFacility AUTH

SyslogFacility AUTHPRIV

#LogLevel INFO

# Authentication:

#LoginGraceTime 2m

#PermitRootLogin yes

#StrictModes yes

#MaxAuthTries

#MaxSessions 

#RSAAuthentication yes

#PubkeyAuthentication yes

#AuthorizedKeysFile    .ssh/authorized_keys

#AuthorizedKeysCommand none

#AuthorizedKeysCommandRunAs nobody

# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts

#RhostsRSAAuthentication no

# similar for protocol version

#HostbasedAuthentication no

# Change to yes if you don't trust ~/.ssh/known_hosts for

# RhostsRSAAuthentication and HostbasedAuthentication

#IgnoreUserKnownHosts no

# Don't read the user's ~/.rhosts and ~/.shosts files

#IgnoreRhosts yes

# To disable tunneled clear text passwords, change to no here!

#PasswordAuthentication yes

#PermitEmptyPasswords no

PasswordAuthentication yes

# Change to no to disable s/key passwords

#ChallengeResponseAuthentication yes

ChallengeResponseAuthentication no

# Kerberos options

#KerberosAuthentication no

#KerberosOrLocalPasswd yes

#KerberosTicketCleanup yes

#KerberosGetAFSToken no

#KerberosUseKuserok yes

# GSSAPI options

#GSSAPIAuthentication no

GSSAPIAuthentication yes

#GSSAPICleanupCredentials yes

GSSAPICleanupCredentials yes

#GSSAPIStrictAcceptorCheck yes

#GSSAPIKeyExchange no

# Set this to 'yes' to enable PAM authentication, account processing,

# and session processing. If this is enabled, PAM authentication will

# be allowed through the ChallengeResponseAuthentication and

# PasswordAuthentication. Depending on your PAM configuration,

# PAM authentication via ChallengeResponseAuthentication may bypass

# the setting of "PermitRootLogin without-password".

# If you just want the PAM account and session checks to run without

# PAM authentication, then enable this but set PasswordAuthentication

# and ChallengeResponseAuthentication to 'no'.

#UsePAM no

UsePAM yes

# Accept locale-related environment variables

AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES

AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT

AcceptEnv LC_IDENTIFICATION LC_ALL LANGUAGE

AcceptEnv XMODIFIERS

#AllowAgentForwarding yes

#AllowTcpForwarding yes

#GatewayPorts no

#X11Forwarding no

X11Forwarding yes

#X11DisplayOffset

#X11UseLocalhost yes

#PrintMotd yes

#PrintLastLog yes

#TCPKeepAlive yes

#UseLogin no

#UsePrivilegeSeparation yes

#PermitUserEnvironment no

#Compression delayed

#ClientAliveInterval

#ClientAliveCountMax

#ShowPatchLevel no

#UseDNS yes

#PidFile /var/run/sshd.pid

#MaxStartups ::

#PermitTunnel no

#ChrootDirectory none

# no default banner path

#Banner none

# override default of no subsystems

Subsystem    sftp    /usr/libexec/openssh/sftp-server

# Example of overriding settings on a per-user basis

#Match User anoncvs

#    X11Forwarding no

#    AllowTcpForwarding no

#    ForceCommand cvs server

[root@m01 ks_config]#

6.新建一个空白的虚拟机

纯机器不需要挂载镜像，选中所在的局域网所在的LAN区段
两个网卡DNS模式，其中一个选择LAN区段就ok
然后开机测试等待安装完成。

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kickstart一键装机部署

1.第一步安装DHCP

1.1配置修改文件

2.第二步TFTP服务安装

3.配置支持PXE的启动程序

4.安装httpd服务

5.配置编写启动文件和优化脚本

1. 启动文件CentOS-6.9-ks.cfg

2. 优化脚本optimization.sh

3.优化内核文件 sysctl.conf

4. yum源文件

5.epel源文件

6. ssh优化文件

6.新建一个空白的虚拟机

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