Installation-Node-RED

Difference between revisions from 2016/08/04 12:04 and 2016/08/04 05:19.

{{
apt-get install screen git nodejs npm
nodejs --version
ln -s /usr/bin/nodejs /usr/bin/node
node --version
npm install -g --unsafe-perm node-red
}}

{{
vim /etc/init.d/node_red
}}

{{
#! /bin/sh
# Starts and stops Node-RED
# /etc/init.d/nodered
### BEGIN INIT INFO
# Provides:     node-red
# Required-Start:       $syslog
# Required-Stop:        $syslog
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    Node-RED initialisation
### END INIT INFO
# Can be downloaded and installed in one go by using this command
# sudo wget -O /tmp/download https://gist.github.com/bigmonkeyboy/9962293/download && sudo tar -zxf /tmp/download --strip-components 1 -C /etc/init.d && sudo chmod 755 /etc/init.d/nodered && sudo update-rc.d nodered defaults

# This runs as the user called pi - please change as you require
USER=pi

# The log is written to here - please make sure your user has write permissions.
LOG=/var/log/node-red.log

#Load up node red when called
case "$1" in

start)
    if pgrep ^node-red$ > /dev/null
    then
        echo "Node-RED already running."
    else
        echo "Starting Node-Red.."
        touch $LOG
        chown $USER:$USER $LOG
        echo "" >> $LOG
        echo "Node-RED service start: "$(date) >> $LOG
#        su -l $USER -c "cd ~/.node-red && screen -dmS red node-red-pi --max-old-space-size=128"
# or
        su -l $USER -c "node-red-pi --max-old-space-size=128 -u ~/.node-red >> $LOG &"
        echo "Logging to "$LOG
    fi
;;

stop)
    echo "Stopping Node-Red.."
#        su -l $USER -c "screen -S red -X quit"
# or
    pkill -SIGINT ^node-red$
    sleep 2
    echo "" >> $LOG
    echo "Node-RED service stop: "$(date) >> $LOG
;;

restart)
        echo "Restarting Node-Red.."
        $0 stop
        sleep 2
        $0 start
        echo "Restarted."
;;
*)
        echo "Usage: $0 {start|stop|restart}"
        exit 1
esac
}}

{{
chmod +x /etc/init.d/node_red

}}