Maximum simultaneous connections on a mosquitto broker

References https://lists.launchpad.net/mosquitto-users/msg00163.html

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MQTT Topics & Best Practices

Here are a few example topics:

Wildcards Single Level: + Multi Level: # References https://www.hivemq.com/blog/mqtt-essentials-part-5-mqtt-topics-best-practices

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How to Install and Secure the Mosquitto MQTT Messaging Broker on Ubuntu 16.04

Installing Mosquitto

Installing Certbot for Let’s Encrypt Certificates

Running Certbot

Enter your domain : mqtt.example.com Setting up Certbot Automatic Renewals

[…]

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Publish a Message From Android on MQTT

AndroidManifest.xml

And register our MQTT Android Service in our app before the closing tag by adding this line:

Java

References https://www.eclipse.org/paho/clients/android/ https://wildanmsyah.wordpress.com/2017/05/11/mqtt-android-client-tutorial/

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Install Mosquitto MQTT Messaging Broker on Ubuntu 16.04

Test

Configuring MQTT Passwords

References https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-the-mosquitto-mqtt-messaging-broker-on-ubuntu-16-04

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