Скачать или смотреть Part24 Wiping and Imaging Computers. Legacy/BIOS and UEFI network booting Grub

Configure a network boot server to PXE boot Grub in both Legacy/BIOS and UEFI modes.
Build Legacy/BIOS Grub image with grub-mkimage with custom configuration File.

See   • Part27 Wiping and Imaging Computers. Net b...   for adding UEFI booting into WinPE and    • Part30 Wiping and Imaging Computers. Netwo...   for Network boot into WinPE in Legacy BIOS, using grub and wimboot
00:00 Intro
00:22 Install grub
sudo apt-get install grub-efi-amd64-signed
00:44 Copy grub files
02:00 grub.cfg & themes
02:39 grubnetx64.efi UEFI version
02:56 make a legacy/BIOS grub image core.0
sudo grub-mkimage -O i386-pc-pxe \
--output /var/server/grub/i386-pc/core.0 \
--prefix=grub \
-c grub-build.conf \
-d /usr/lib/grub/i386-pc/ \
pxe tftp




04:02 Configure dhcp.conf to use core.0
part of /etc/dhcp/dhcp.conf
=======================
Red subnet.
subnet 192.168.0.0 netmask 255.255.255.0{
range 192.168.0.10 192.168.0.254;
option domain-name-servers 8.8.8.8, 8.8.4.4;
option domain-name "internal.example.org";
option subnet-mask 255.255.255.0;
option routers 192.168.0.1;
option broadcast-address 192.168.0.255;
default-lease-time 600;
max-lease-time 7200;
filename "grub/i386-pc/core.0";
}

class "UEFI-64-1" {
match if substring(option vendor-class-identifier, 15, 5) = "00007";
filename "grub/grubnetx64.efi";
}

05:12 grub-build.conf
=================
set root=(tftp)
set net_default_server=192.168.0.1
set prefix=grub
set debug=all

06:00 Restart dhcp Service
sudo service isc-dhcp-server restart

06:25 Check status

06:56 Test network boot