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Local MQTT requirements

Installing a MQTT Client on Windows

The MQTT Client is used to read the values on the MQTT Broker. This Example uses MQTTX:

  1. Download MQTTX alternatively MQTT-Explorer or mqttMultimeter
  2. Install and start MQTTX.
  3. Create new connection via + button with these parameters.
    1. Name: "OPCUA Client"
    2. Host: "mqtt://" "127.0.0.1"
    3. Port: 1883
  4. Press Button "Connect".
  5. Press Button "New Subscription".
    1. Topic: "umati/#"
    2. Press "Confirm"

Installing a MQTT Broker on Windows

Deploying a MQTT Broker locally. Example with Eclipse Mosquitto:

  1. Download Mosquitto.

  2. Check for a running Mosquitto version, if you installed previously

  3. Install Mosquitto, with local admin privileges

  4. Change the content of mosquitto.conf (Use any text editor) to:

    1. https://github.com/umati/infrastructure-Dashboard/blob/main/config-templates/mosquitto/mosquitto.conf.jinja2
    2. "{{MQTT_WS_PORT}}" change for "1884"

  5. Start mosquitto.exe.

  6. A console windows appears without any output.

Running a MQTT Broker as a container image

If you want to run a MQTT broker as container image, please make sure you have a container runtime link Docker Desktop installed.

  1. Execute docker run -it -p 1883:1883 eclipse-mosquitto:2.0.15 mosquitto -c /mosquitto-no-auth.conf

This starts a unauthenticated MQTT broker on your localhost.