#挂载光盘，备份文件，创建repo文件，清除和重建缓存

mkdir /mnt/cdrommount /dev/cdrom /mnt/cdrommkdir /etc/yum.repos.d/backup/mv /etc/yum.repos.d/*.* /etc/yum.repos.d/backup/vi /etc/yum.repos.d/cdrom.repo[base]name=cdrombaseurl=file:///mnt/cdromenable=1gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7yum clean allyum update

安装GNOME桌面

yum groupinstall 'GNOME Desktop'

#启动桌面,刚装完需要exit再登录

startx

#安装httpd，新建http安装源目录，复制光盘上的文件

yum install httpdmkdir /var/www/html/cdromcp -rf /mnt/cdrom/* /var/www/html/cdromsystemctl enable httpdsystemctl restart httpd

#安装dhcp，编辑dhcpd.conf文件

yum install dhcpvi /etc/dhcp/dhcpd.confddns-update-style interim; ignore client-updates; filename "pxelinux.0";next-server 192.168.1.100;subnet 192.168.1.0 netmask 255.255.255.0 {        option routers 192.168.1.1;         option subnet-mask 255.255.255.0;        range dynamic-bootp 192.168.1.90 192.168.111.99;         default-lease-time 21600;         max-lease-time 43200;}systemctl enable dhcpdsystemctl restart dhcpd

#安装tftp-server，将disable=yes改为no

yum install tftp-servervi /etc/xinetd.d/tftpsystemctl enable xinetdsystemctl restart xinetd

#查看服务和端口状态

netstat -ntulp

#安装syslinux，复制pxelinux.0文件，复制isolinux.cfg文件改名为default,修改default，复制initrd.img，vmlinuz，boot.msg

yum install syslinuxcp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/cp /var/www/html/cdrom/p_w_picpaths/pxeboot/{initrd.img,vmlinuz} /var/lib/tftpboot/cp /var/www/html/cdrom/isolinux/boot.msg /var/lib/tftpboot/mkdir /var/lib/tftpboot/pxelinux.cfg/cp /var/www/html/cdrom/isolinux/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/defaultvi /var/lib/tftpboot/pxelinux.cfg/defaultdefault ksprompt 1timeout 60display boot.msglabel ks   kernel vmlinuz   append ks=http://192.168.1.100/ks.cfg initrd=initrd.img

#安装kickstart，保存到/var/www/html/ks.cfg

yum install system-config-kickstartsystem-config-kickstart

#ks.cfg末尾添加

%packages@core%end

注意，用来测试自动安装的虚拟机CPU要至少4核，RAM要至少2G，否则会在starting package installation process步骤停止响应