How To Install mosquitto-clients on Ubuntu 20.04

In this tutorial we learn how to install mosquitto-clients on Ubuntu 20.04. mosquitto-clients is Mosquitto command line MQTT clients

Introduction

In this tutorial we learn how to install mosquitto-clients on Ubuntu 20.04.

What is mosquitto-clients

mosquitto-clients is:

This is two MQTT version 5.0/3.1.1/3.1 command line clients. mosquitto_pub can be used to publish messages to a broker and mosquitto_sub can be used to subscribe to a topic to receive messages.

MQTT provides a method of carrying out messaging using a publish/subscribe model. It is lightweight, both in terms of bandwidth usage and ease of implementation. This makes it particularly useful at the edge of the network where a sensor or other simple device may be implemented using an arduino for example.

There are three methods to install mosquitto-clients on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install mosquitto-clients Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install mosquitto-clients using apt-get by running the following command:

sudo apt-get -y install mosquitto-clients

Install mosquitto-clients Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install mosquitto-clients using apt by running the following command:

sudo apt -y install mosquitto-clients

Install mosquitto-clients Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install mosquitto-clients using aptitude by running the following command:

sudo aptitude -y install mosquitto-clients

How To Uninstall mosquitto-clients on Ubuntu 20.04

To uninstall only the mosquitto-clients package we can use the following command:

sudo apt-get remove mosquitto-clients

Uninstall mosquitto-clients And Its Dependencies

To uninstall mosquitto-clients and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove mosquitto-clients

Remove mosquitto-clients Configurations and Data

To remove mosquitto-clients configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge mosquitto-clients

Remove mosquitto-clients configuration, data, and all of its dependencies

We can use the following command to remove mosquitto-clients configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge mosquitto-clients

References

Summary

In this tutorial we learn how to install mosquitto-clients package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.