Setting up wake-on-lan on Arch

setup_wol.sh

#!/bin/bash
# https://wiki.archlinux.org/index.php/Wake-on-LAN

sudo pacman -Syu ethtool

# d (disabled), p (PHY activity), u (unicast activity), m (multicast activity),
# b (broadcast activity), a (ARP activity), and g (magic packet activity)
ethtool <interface> | grep Wake-on
# If not g
ethtool -s <interface> wol g

# Enable persistence using systemd
sudo systemd enable wol@.service

# TODO: Require password

# Trigger a wake-up, port should be 9 (?)
# Install wol
# TODO: https://www.depicus.com/wake-on-lan/woli

# Find the MAC address
ip link

# In-network
wol target_MAC_address
# or
wol target_internal_IP target_MAC_address

# Across the internet
# Enable port forwarding on target's static IP
wol -p forwarded_port -i router_IP target_MAC_address

# Listen for incoming WOL requests on target computer
sudo pacman -Syu netcat
nc --udp --listen --local-port=9 --hexdump

wol-wake.sh

#!/bin/bash
# https://wiki.archlinux.org/index.php/Wake-on-LAN

#!/bin/bash

# definition of MAC addresses
monster=01:12:46:82:ab:4f
ghost=01:1a:d2:56:6b:e6

echo "Which PC to wake?"
echo "m) monster"
echo "g) ghost"
echo "q) quit"
read input1
case $input1 in
  m)
    /usr/bin/wol $monster
    ;;
  g)
    # uses wol over the internet provided that port 9 is forwarded to ghost on ghost's router
    /usr/bin/wol --port=9 --host=ghost.mydomain.org $ghost
    ;;
  Q|q)
    break
    ;;
esac

wol@.service

[Unit]
Description=Wake-on-LAN for %i
Requires=network.target
After=network.target

[Service]
ExecStart=/usr/bin/ethtool -s %i wol g
Type=oneshot

[Install]
WantedBy=multi-user.target