Quick and dirty PXE boot server.

pxe.sh

#!/bin/bash

mkdir -p /tmp/tftp
wget https://boot.netboot.xyz/ipxe/netboot.xyz.efi -O /tmp/tftp/netboot.xyz.efi

# /!\ Make sure the router is OK.
ROUTER=$(ip r | grep default | cut -d ' ' -f3)

# Make sure interface is the right one,
# and dhcp-range should be a subset of the real range.

cat > /tmp/dnsmasq.conf <<EOF
interface=enp0s31f6
bind-interfaces
dhcp-option=option:router,$ROUTER
dhcp-range=192.168.1.120,192.168.1.140
dhcp-boot=netboot.xyz.efi
enable-tftp
tftp-root=/tmp/tftp/
EOF

dnsmasq --conf-file=/tmp/dnsmasq.conf --no-daemon