README.md

Netboot Ubuntu from Arch Linux

• run ./setup.sh

• change directory to /srv/pxe

• create ./dnsmasq.conf

• create ./pxelinux.cfg/default

• bring up interface

  sudo ip addr add 172.30.30.1/24 dev enp0s31f6
  sudo ip link set enp0s31f6 up

• add fireall rule

  sudo nft add rule inet filter incoming iifname enp0s31f6 accept

• start web server

  sudo python3 -m http.server 80

• start dnsmasq

  sudo dnsmasq --conf-file=./dnsmasq.conf

dnsmasq.conf

keep-in-foreground
log-facility=-
user=dnsmasq
group=dnsmasq

port=53
server=8.8.8.8
server=8.8.4.4
no-resolv
no-hosts

interface=enp0s31f6
bind-dynamic

dhcp-range=172.30.30.32,172.30.30.254,1h
dhcp-option=option:router,0.0.0.0
dhcp-option=option:dns-server,0.0.0.0
log-dhcp

# relative to tftp-root
pxe-prompt="Press F8 for menu or proceed with default in", 5
dhcp-boot=pxelinux.0

# enable-tftp
enable-tftp
tftp-root=/srv/pxe

pxelinux.cfg-default

DEFAULT install

LABEL install
  KERNEL vmlinuz
  INITRD initrd
  APPEND root=/dev/ram0 ramdisk_size=1500000 console=ttyS0,115200n8 ip=dhcp url=http://172.30.30.1/ubuntu.iso

setup.sh

#!/usr/bin/env bash
set -eux

mkdir -p /srv/pxe
cd /srv/pxe

curl -L -o ./pxelinux.0 -C - http://archive.ubuntu.com/ubuntu/dists/focal/main/installer-amd64/current/legacy-images/netboot/ubuntu-installer/amd64/pxelinux.0

curl -L -o ./ubuntu.iso -C - https://releases.ubuntu.com/20.04.2/ubuntu-20.04.2-live-server-amd64.iso
sudo mount -o loop,ro ./ubuntu.iso /mnt
cp /mnt/casper/vmlinuz /mnt/casper/initrd .
sudo umount /mnt

sudo pacman -S core/syslinux
cp /usr/lib/syslinux/bios/ldlinux.c32 .