一，搭建无人值守服务器安装软件（PXE + DHCP+TFTP+ Kickstart+ FTP）IP:172.168.1.200

系统版本：CentOS Linux release 7.4.1708 (Core)

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关闭selinux，firewalld

[root@localhost ~]# axel -n 100 http://mirror.nsc.liu.se/centos-store/7.4.1708/isos/x86_64/CentOS-7-x86_64-Minimal-1708.iso

[root@localhost ~]# mount CentOS-7-x86_64-Minimal-1708.iso /media/

[root@localhost ~]# yum -y install vsftpd tftp tftp-server xinetd system-config-kickstart syslinux

二，修改配置文件

[root@localhost ~]# vim /etc/xinetd.d/tftp

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
}

[root@localhost ~]# cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcp/dhcpd.conf

[root@localhost ~]# > /etc/dhcp/dhcpd.conf　

[root@localhost ~]# vim /etc/dhcp/dhcpd.conf

subnet 172.168.1.0 netmask 255.255.255.0 {
range 172.168.1.100 172.168.1.199;
option domain-name-servers 172.168.1.1;
option domain-name "internal.example.org";
option routers 172.168.1.1;
option broadcast-address 172.168.1.255;
default-lease-time 600;
max-lease-time 7200;
next-server 172.168.1.200;
filename "pxelinux.0";
}

三，配置tftp共享文件

[root@localhost ~]# mkdir /tftpboot
[root@localhost ~]# mkdir /tftpboot/pxelinux.cfg
[root@localhost ~]# cp /usr/share/syslinux/pxelinux.0 /tftpboot/
[root@localhost ~]# cp /media/images/pxeboot/initrd.img /tftpboot/
[root@localhost ~]# cp /media/images/pxeboot/vmlinuz /tftpboot/
[root@localhost ~]# cp /media/isolinux/isolinux.cfg /tftpboot/pxelinux.cfg/default

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://172.168.1.200/pub inst.ks=ftp://172.168.1.200/ks.cfg 　#64行修改成这样

四，配置无人值守软件包

[root@localhost yum.repos.d]# pwd
/etc/yum.repos.d

[root@localhost yum.repos.d]# vim server.repo

[centos7]       

name=my-centos7

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

enabled=1

gpgcheck=0

[root@localhost ~]# cd /var/ftp/pub/

[root@localhost ~]# cp -r /media/* .

[root@localhost ~]# cp anaconda-ks.cfg /var/ftp/ks.cfg

[root@localhost ~]# egrep -v "^#|^$" /var/ftp/ks.cfg

[root@localhost ~]# systemctl enable vsftpd xinetd dhcpd
[root@localhost ~]# systemctl restart vsftpd xinetd dhcpd

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