Network booting

https://documentation.ubuntu.com/server/how-to/installation/how-to-netboot-the-server-installer-on-amd64/

https://chatgpt.com/c/6765b743-ca68-800c-9a63-dd5768d20b4c

TODO: create squashfs image from live system

apt install dnsmasq

vim /etc/dnsmasq.conf

mkdir -p /srv/tftp

interface=<your interface>,lo
bind-interfaces
dhcp-range=<your interface>,192.168.0.100,192.168.0.200
dhcp-boot=pxelinux.0
dhcp-match=set:efi-x86_64,option:client-arch,7
dhcp-boot=tag:efi-x86_64,grubx64.efi
enable-tftp
tftp-root=/srv/tftp

apt install debootstrap chroot squashfs-tools

cp /boot/vmlinuz /srv/tftp/vmlinuz

cp /boot/initrd.img /srv/tftp/initrd

apt download grub-efi-amd64-signed

dpkg-deb --fsys-tarfile grub-efi*deb | tar x ./usr/lib/grub/x86_64-efi-signed/grubnetx64.efi.signed -O > /srv/tftp/grubx64.efi

apt download grub-common

dpkg-deb --fsys-tarfile grub-common*deb | tar x ./usr/share/grub/unicode.pf2 -O > /srv/tftp/unicode.pf2

mkdir -p /srv/tftp/grub

vim /srv/tftp/grub/grub.cfg

 set default="0"
 #set timeout=-1
     
 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 44,0,30; 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 'FiksOS' {
         gfxmode $linux_gfx_mode
         linux /vmlinux $vt_handoff quiet splash
         initrd /initrd
 }

vim /etc/netplan/10-static.yaml

network:
  version: 2
  ethernets:
    enp0s8:
      dhcp4: false
      dhcp6: false
      addresses:
        - 192.168.11.1/24