lease centos6 mask ftp append ket href dom onf

?安裝前準備：關閉防火墻和SELINUX，DHCP服務器靜態IP
?安裝軟件包
httpd tftp-server dhcp syslinux system-config-kickstart
?配置文件共享服務：
systemctl enable httpd
systemctl start httpd
mkdir /var/www/html/centos/{7,6}
mount /dev/sr0 /var/www/html/centos/7
mount /dev/sr1 /var/www/html/centos/6
?準備kickstart文件
/var/www/html/ksdir/{ks6-desktop.cfg,ks7-pxe.cfg} 註意：權限
?配置tftp服務
systemctl enable tftp.socket
systemctl start tftp.socket

?配置DHCP服務
vim /etc/dhcp/dhcpd.conf
option domain-name "example.com";
default-lease-time 600;
max-lease-time 7200;
subnet 192.168.100.0 netmask 255.255.255.0 {
range 192.168.100.1 192.168.100.200;
filename "pxelinux.0";
next-server 192.168.100.100;
}
systemctl enable dhcpd

systemctl start dhcpd

準備相關文件（復制文件參考目錄）
mkdir /var/lib/tftpboot/pxelinux.cfg/
cp /usr/share/syslinux/{pxelinux.0,menu.c32} /var/lib/tftpboot/
cp /misc/cd/isolinux/{vmlinuz,initrd.img} /var/lib/tftpboot/
cp /misc/cd/isolinux/isolinux.cfg/var/lib/tftpboot/pxelinux.cfg/default

[root@centos7 tftpboot]#tree .
.
├── 6
│?? ├── initrd.img
│?? └── vmlinuz

├── 7
│?? ├── initrd.img
│?? └── vmlinuz
├── menu.c32
├── pxelinux.0
└── pxelinux.cfg
└── default

3 directories, 7 files

準備啟動菜單

default menu.c32
timeout 600

menu title PXE INSTALL CentOS

label desktop
menu label ^Install Desktop CentOS 7
kernel 7/vmlinuz
append initrd=7/initrd.img ks=http://192.168.64.7/ksdir/ks7-pxe.cfg

label mini
menu label Install ^Destkop CentOS 6
kernel 6/vmlinuz
append initrd=6/initrd.img ks=http://192.168.64.7/ksdir/ks6-desktop.cfg

label local
menu default
menu label Boot from ^local drive
localboot 0xffff
menu end

自動化同時安裝centos7與centos6系統