README.md

mqtt-boot-ctrl

Control your linux box via MQTT messages to reboot or shutdown.

Use it to control your connected HDMI devices.

Usage

The script offers some simple parameters which are used to build the connection URL and the identification of your linux box.

node index.js host=192.168.1.1 username=myUser password=myPass namespace=myNamespace playerId=myPlayer

MQTT messages

reboot topic: myNamespace/can/be/what/ever/you/like/myPlayer/reboot

shutdown topic: myNamespace/can/be/what/ever/you/like/myPlayer/shutdown

cec-power-on topic: myNamespace/can/be/what/ever/you/like/myPlayer/cec-power-on

cec-power-off topic: myNamespace/can/be/what/ever/you/like/myPlayer/cec-power-off

Setup

Download / Clone GIT Repo

git clone https://github.com/Sherlock-GmbH/mqtt-boot-ctrl.git

Install dependencies

npm install

Start script

npm start

sudoers Giving nodejs the rights to execute sudo commands we need to add a config file to /etc/sudoers.d/.

You need to check which user is running your nodejs script and change nodejsUser with the one of your system.

sudo nano /etc/sudoers.d/mqtt-boot-ctrl

nodejsUser ALL=/sbin/shutdown
nodejsUser ALL=NOPASSWD: /sbin/shutdown

HDMI-CEC Setup

cd ~
apt-get update
apt-get install cmake libudev-dev libxrandr-dev python-dev swig
git clone https://github.com/Pulse-Eight/platform.git
mkdir platform/build
cd platform/build
cmake ..
make
sudo make install
cd ..
git clone https://github.com/Pulse-Eight/libcec.git
mkdir libcec/build
cd libcec/build
cmake -DRPI_INCLUDE_DIR=/opt/vc/include -DRPI_LIB_DIR=/opt/vc/lib ..
make -j4
sudo make install
sudo ldconfig