sudo apt install mosquitto mosquitto-clients
pip install paho-mqtt or  python -m pip install paho-mqtt
pip install mqtt-recorder

# MQTT JSON publisher
python mqtt_json_pub.py ../data/config.json

# MQTT JSON Subscriber
python mqtt_json_sub.py

# MQTT JSON record
mqtt-recorder --host [Gateway HOST IP] --mode record --file logs/filename.csv

# MQTT JSON replay
mqtt-recorder --host localhost --mode replay --file logs/filename.csv

# Rosbag replay
rosbag play logs/filename.bag

# MQTT JSON Subscribe and Parse to custom ROS msg
rosrun mqtt2ros mqtt2rosmsg.py