PXE v2

bootstrap.sh

#!/bin/sh

tftp_root=/srv/tftp3/root

alias de='docker exec'
[ -d "$tftp_root" ] || mkdir -p "$tftp_root"

mkdir $tftp_root/isos
mkdir -p /mnt/iso

# download grub for ubuntu
# https://ubuntu.com/server/docs/install/netboot-amd64
mkdir -p $tftp_root/boot/ubuntu/grub
mkdir -p $tftp_root/grub/x86_64-efi
docker pull ubuntu
dc_ubuntu=$(docker run --rm -d --name ubuntu ubuntu bash -c "while true; do sleep 30; done")
de "$dc_ubuntu" apt-get update
de "$dc_ubuntu" apt-get upgrade -y
de "$dc_ubuntu" apt-get install cd-boot-images-amd64
de -u _apt -w /tmp "$dc_ubuntu" apt-get download shim-signed
de "$dc_ubuntu" bash -c "dpkg-deb --fsys-tarfile /tmp/shim-signed*deb | tar x ./usr/lib/shim/shimx64.efi.signed.latest -O" > "$tftp_root"/boot/ubuntu/bootx64.efi
de -u _apt -w /tmp "$dc_ubuntu" apt-get download grub-efi-amd64-signed
de "$dc_ubuntu" bash -c "dpkg-deb --fsys-tarfile /tmp/grub-efi-amd64-signed*deb | tar x ./usr/lib/grub/x86_64-efi-signed/grubnetx64.efi.signed -O" > "$tftp_root"/boot/ubuntu/grubx64.efi
de -u _apt -w /tmp "$dc_ubuntu" apt-get download grub-common
#de ubuntu bash -c "dpkg-deb --fsys-tarfile grub-common*deb | tar x ./usr/share/grub/ascii.pf2 -O" > "$tftp_root"/ascii.pf2
#de ubuntu bash -c "dpkg-deb --fsys-tarfile grub-common*deb | tar x ./usr/share/grub/euro.pf2 -O" > "$tftp_root"/euro.pf2
#de ubuntu bash -c "dpkg-deb --fsys-tarfile grub-common*deb | tar x ./usr/share/grub/unicode.pf2 -O" > "$tftp_root"/unicode.pf2
de "$dc_ubuntu" apt-get install -y grub-efi-amd64-bin
docker cp "$dc_ubuntu":/usr/lib/grub/x86_64-efi/command.lst "$tftp_root"/grub/x86_64-efi/
docker cp "$dc_ubuntu":/usr/lib/grub/x86_64-efi/fs.lst "$tftp_root"/grub/x86_64-efi/
docker cp "$dc_ubuntu":/usr/lib/grub/x86_64-efi/crypto.lst "$tftp_root"/grub/x86_64-efi/
docker cp "$dc_ubuntu":/usr/lib/grub/x86_64-efi/terminal.lst "$tftp_root"/grub/x86_64-efi/
#de "$dc_ubuntu" tar cv --exclude 'monolithic' /usr/lib/grub/x86_64-efi/{command,fs,crypto,terminal}.lst | tar xv --strip-components 3 -C "$tftp_root"/grub/x86_64-efi

de -e DEBIAN_FRONTEND=noninteractive "$dc_ubuntu" apt-get install -y console-setup grub-common
de "$dc_ubuntu" grub-kbdcomp -o /tmp/prout fr
docker kill "$dc_ubuntu"

[ -d "$tftp_root"/ubuntu/22.04 ] || mkdir -p "$tftp_root"/ubuntu/22.04
#wget -O "$tftp_root"/isos/ubuntu-22.04.2-live-server-amd64.iso https://releases.ubuntu.com/22.04.2/ubuntu-22.04.2-live-server-amd64.iso
wget -O "$tftp_root"/isos/ubuntu-22.04.4-live-server-amd64.iso http://ubuntu.mirrors.ovh.net/ubuntu-releases/jammy/ubuntu-22.04.4-live-server-amd64.iso
mount -t iso9660 -o loop,ro "$tftp_root"/isos/ubuntu-22.04.4-live-server-amd64.iso /mnt/iso/
cp /mnt/iso/casper/hwe-* "$tftp_root"/ubuntu/22.04/
umount /mnt/iso

dnsmasq.conf

local-service
dhcp-range=192.168.45.0,proxy,255.255.255.0
dhcp-vendorclass=BIOS,PXEClient:Arch:00000
dhcp-vendorclass=UEFI32,PXEClient:Arch:00006
dhcp-vendorclass=UEFI,PXEClient:Arch:00007
dhcp-vendorclass=UEFI64,PXEClient:Arch:00009
dhcp-boot=boot/ubuntu/bootx64.efi,,192.168.45.102
pxe-service=net:#ipxe,x86PC, "prout",1
log-dhcp
conf-dir=/etc/dnsmasq.d/,*.conf

grub.cfg

set default="0"
set timeout=3

if loadfont unicode ; then
        set gfxmode=auto
        set locale_dir=$prefix/locale
        set lang=en_US
fi

terminal_output gfxterm

set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
#if background_color 44,0,0; then
#       clear
#fi

function gfxmode {
        set gfxpayload="${1}"
        if [ "${1}" = "keep" ]; then
                set vt_handoff=vt.handoff=7
        else
                set vt_handoff=

        fi
}

set linux_gfx_mode=keep
export linux_gfx_mode

menuentry 'Ubuntu 22.04 - NUC13' --class ubuntu --class gnu-linux --class gnu --class os {
        gfxmode $linux_gfx_mode
        linuxefi /ubuntu/22.04/hwe-vmlinuz ip=dhcp netboot=nfs nfsroot=192.168.45.102:/mnt/ubuntu-22.04.4-live-server-amd64.iso $vt_handoff autoinstall ds=nocloud\;s=http://192.168.45.102/cloud-init/__dmi.system-serial-number__/ ---
        initrdefi /ubuntu/22.04/hwe-initrd
}
# https://github.com/canonical/cloud-init/blob/main/doc/rtd/explanation/kernel-cmdline.rst
menuentry 'Ubuntu 22.04' --class ubuntu --class gnu-linux --class gnu --class os {
        gfxmode $linux_gfx_mode
        linuxefi  /ubuntu/22.04/hwe-vmlinuz ip=dhcp url=http://192.168.45.137/isos/ubuntu-22.04.2-live-server-amd64.iso $vt_handoff language=fr country=FR de=nocloud-net root=/dev/ram0 ramdisk_size=1500000
        initrdefi /ubuntu/22.04/hwe-initrd
}

menuentry 'ESXi 8.0u1a' --class esxi --class os {
        chainloader /esxi/mboot.efi -V -c boot.cfg
}

menuentry 'Memtest86' {
        chainloader /memtest/BOOTX64.efi
}

tftp tree

sv-alp-pxe:/etc# tree /srv/tftp3
/srv/tftp3
└── root
    ├── boot
    │   └── ubuntu
    │       ├── bootx64.efi
    │       ├── grub
    │       │   └── x86_64-efi
    │       │       ├── command.lst
    │       │       ├── crypto.lst
    │       │       ├── fdt.lst
    │       │       ├── fs.lst
    │       │       ├── moddep.lst
    │       │       ├── partmap.lst
    │       │       ├── parttool.lst
    │       │       ├── terminal.lst
    │       │       └── video.lst
    │       └── grubx64.efi
    ├── grub
    │   ├── grub.cfg
    │   └── x86_64-efi
    │       ├── command.lst
    │       ├── crypto.lst
    │       ├── fs.lst
    │       └── terminal.lst
    ├── isos
    │   └── ubuntu-22.04.4-live-server-amd64.iso
    └── ubuntu
        └── 22.04
            ├── hwe-initrd
            └── hwe-vmlinuz