#掛載光盤，備份文件，創建repo文件，清除和重建緩存
mkdir /mnt/cdrom mount /dev/cdrom /mnt/cdrom mkdir /etc/yum.repos.d/backup/ mv /etc/yum.repos.d/*.* /etc/yum.repos.d/backup/ vi /etc/yum.repos.d/cdrom.repo [base] name=cdrom baseurl=file:///mnt/cdrom enable=1 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 yum clean all yum update
安裝GNOME桌面
yum groupinstall 'GNOME Desktop'
#啓動桌面,剛裝完需要exit再登錄
startx
#安裝httpd，新建http安裝源目錄，複製光盤上的文件
yum install httpd mkdir /var/www/html/cdrom cp -rf /mnt/cdrom/* /var/www/html/cdrom systemctl enable httpd systemctl restart httpd
#安裝dhcp，編輯dhcpd.conf文件
yum install dhcp
vi /etc/dhcp/dhcpd.conf
ddns-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 dhcpd
systemctl restart dhcpd#安裝tftp-server，將disable=yes改爲no
yum install tftp-server vi /etc/xinetd.d/tftp systemctl enable xinetd systemctl restart xinetd
#查看服務和端口狀態
netstat -ntulp
#安裝syslinux，複製pxelinux.0文件，複製isolinux.cfg文件改名爲default,修改default，複製initrd.img，vmlinuz，boot.msg
yum install syslinux
cp /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/default
vi /var/lib/tftpboot/pxelinux.cfg/default
default ks
prompt 1
timeout 60
display boot.msg
label ks
kernel vmlinuz
append ks=http://192.168.1.100/ks.cfg initrd=initrd.img#安裝kickstart，保存到/var/www/html/ks.cfg
yum install system-config-kickstart system-config-kickstart
#ks.cfg末尾添加
%packages @core %end
注意，用來測試自動安裝的虛擬機CPU要至少4核，RAM要至少2G，否則會在starting package installation process步驟停止響應