Description

Tool to run on low power linux machine e.g. raspberry pi or other sbc to wake a larger/more power hungry machine using wake-on-lan.

Dependencies

libsodium
Install with:
debian:
apt install libsodium-dev
fedora:
dnf install libsodium
gentoo:
emerge dev-libs/libsodium

Compile

mkdir build
cd build
cmake ..
make

Install

sudo make install

On interwake server:

mkdir /usr/local/etc/interwake
cp interwake.conf /usr/local/etc/interwake/
#create a keyfile:
dd if=/dev/urandom of=/usr/local/etc/interwake/interwakeKeyfile bs=1 count=512

configure /usr/local/etc/interwake/interwake.conf with mac address of machine and port for daemon to listen on
run with ./interwaked or optionally:
use interwake.service systemd unit file, can be placed in /usr/local/lib/systemd/system

On interwake client:

copy keyfile from server to ~/.config/interwakeKeyfile.
Follow a guide to enable wake-on-LAN (WOL) for your target machine.

Use

On client: interwake hostname port