awtrix.service

[Unit]
Description = AWTRIX Service
After network.target = awtrix.service

[Service]
Type = forking
WorkingDirectory = /usr/local/awtrix
ExecStart = /usr/local/bin/awtrix.sh start
ExecStop = /usr/local/bin/awtrix.sh stop
ExecReload = /usr/local/bin/awtrix.sh reload

[Install]
WantedBy=multi-user.target

awtrix.sh

#!/bin/sh

SERVICE_NAME=awtrix
PATH_TO_JAR=/usr/local/awtrix/awtrix.jar
PID_PATH_NAME=/tmp/awtrix-pid

case $1 in
    start)
        echo "Starting $SERVICE_NAME ..."
        if [ ! -f $PID_PATH_NAME ]; then
            sudo nohup java -jar $PATH_TO_JAR /tmp 2>> /dev/null >> /dev/null & echo $! > $PID_PATH_NAME
            echo "$SERVICE_NAME started.";
        else
            echo "$SERVICE_NAME is already running.";
        fi
    ;;
    stop)
        if [ -f $PID_PATH_NAME ]; then
            PID=$(cat $PID_PATH_NAME);
            kill $PID;
            echo "$SERVICE_NAME stopped.";
            rm $PID_PATH_NAME;
        else
            echo "$SERVICE_NAME isn't running.";
        fi
    ;;
    restart)
        if [ -f $PID_PATH_NAME ]; then
            PID=$(cat $PID_PATH_NAME);
            echo "Stopping $SERVICE_NAME ...";
            kill $PID;
            rm $PID_PATH_NAME
            echo "Starting $SERVICE_NAME ..."
            sudo nohup java -jar $PATH_TO_JAR /tmp 2>> /dev/null >> /dev/null & echo $! > $PID_PATH_NAME
            echo "$SERVICE_NAME started.";
        else
            echo "$SERVICE_NAME is not running. Use 'awtrix.sh start' instead.";
        fi
    ;;
esac