CentOS7 无人值守服务环境搭建(PXE + DHCP+TFTP+ Kickstart+ FTP)

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一,搭建无人值守服务器安装软件(PXE + DHCP+TFTP+ Kickstart+ FTP)IP:192.168.2.10

系统版本:CentOS Linux release 7.4.1708 (Core) 

二,配置本地yum源,安装所需软件:

[[email protected] yum.repos.d]# mount /dev/cdrom /mnt/
mount: /dev/sr0 写保护,将以只读方式挂载
[[email protected] yum.repos.d]# vim server.repo

[rhel-source]
name=Red Hat Enterprise Linux $releasever - $basearch - Source
baseurl=file:///mnt/
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release

[[email protected] yum.repos.d]# yum clean all

[[email protected] yum.repos.d]# yum makecache

[[email protected] yum.repos.d]# yum -y install vsftpd

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[[email protected] yum.repos.d]# systemctl start vsftpd
[[email protected] yum.repos.d]# systemctl enable vsftpd
Created symlink from /etc/systemd/system/multi-user.target.wants/vsftpd.service to /usr/lib/systemd/system/vsftpd.service.

 [[email protected] yum.repos.d]# yum -y install tftp tftp-server xinetd

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三,修改配置文件

[[email protected] yum.repos.d]# vim /etc/xinetd.d/tftp

# default: off
# description: The tftp server serves files using the trivial file transfer \\
# protocol. The tftp protocol is often used to boot diskless \\
# workstations, download configuration files to network-aware printers, \\
# and to start the installation process for some operating systems.
service tftp
{
socket_type = dgram
protocol = udp
wait = yes
user = root
server = /usr/sbin/in.tftpd
server_args = -s /tftpboot     #修改
disable = no           #修改
per_source = 11
cps = 100 2
flags = IPv4
}


[[email protected] yum.repos.d]# systemctl start xinetd.service
[[email protected] yum.repos.d]# lsof -i :69
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
xinetd 47262 root 5u IPv4 94469 0t0 UDP *:tftp

安装dhcp,修改配置文件并开启服务

[[email protected] yum.repos.d]# yum -y install dhcp

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[[email protected] yum.repos.d]# cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcp/dhcpd.conf

[[email protected] yum.repos.d]# > /etc/dhcp/dhcpd.conf  #清空配置文件
[[email protected] yum.repos.d]# vi /etc/dhcp/dhcpd.conf  #添加以下内容

subnet 192.168.2.0 netmask 255.255.255.0 {
range 192.168.2.100 192.168.2.200;
option domain-name-servers 192.168.2.1;
option domain-name "internal.example.org";
option routers 192.168.2.1;
option broadcast-address 192.168.2.255;
default-lease-time 600;
max-lease-time 7200;
next-server 192.168.2.10;    
filename "pxelinux.0";

}

 四、配置使用PXE启动所需的相关文件

[[email protected] yum.repos.d]# Packages]# yum -y install system-config-kickstart  syslinux

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五,准备tftp需要共享出去的文件

[[email protected] yum.repos.d]# mkdir /tftpboot
[[email protected] yum.repos.d]# mkdir /tftpboot/pxelinux.cfg
[[email protected] yum.repos.d]# cp /usr/share/syslinux/pxelinux.0 /tftpboot/
[[email protected] yum.repos.d]# cp /media/images/pxeboot/initrd.img /tftpboot/
[[email protected] yum.repos.d]# cp /media/images/pxeboot/vmlinuz /tftpboot/
[[email protected] yum.repos.d]# cp /media/isolinux/isolinux.cfg /tftpboot/pxelinux.cfg/default
[[email protected] yum.repos.d]# chmod 644 /tftpboot/pxelinux.cfg/default

六,修改default,指定安装操作系统的方式和ks.cfg文件路径(修改第一行和64行其他不改)

1 default linux    #第一行改成这样

64   append initrd=initrd.img inst.repo=ftp://192.168.2.10/pub inst.ks=ftp://192.168.2.10/ks.cfg    #64行修改成这样

七,配置无人值守软件包

[[email protected] yum.repos.d]# pwd
/etc/yum.repos.d
[[email protected] yum.repos.d]# vim server.repo

[development]       

name=my-centos7-dvd

baseurl=file:///var/ftp/pub

enabled=1

gpgcheck=0

 [[email protected] yum.repos.d]# yum makecache   #生成本地yum缓存

八,通过xstart启动system-config-kickstart弹出来界面,设置自己后期无人执守安装需要配置的参数

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#####################最后两个选项不做配置,############################

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九,启动服务,

[[email protected] ~]# cd
[[email protected] ~]# pwd
/root
[[email protected] ~]# cp ks.cfg /var/ftp/
[[email protected] ~]# systemctl restart vsftpd

 

 





















































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