Mosquitto is a popular MQTT broker used for messaging in IoT applications. While it’s a valuable tool for many developers, there might be instances where you no longer need it on your Ubuntu system. Whether you’re migrating to a different platform, troubleshooting, or simply cleaning up, uninstalling Mosquitto is a straightforward process.
In this guide, we’ll walk you through the steps to completely remove Mosquitto from your Ubuntu system.
Let’s get started.
Step 1: Stop the Mosquitto Service
Before uninstalling any software, it’s a good practice to stop its services to ensure a smooth removal process.
sudo systemctl stop mosquitto
Step 2: Uninstall Mosquitto Broker
To uninstall the Mosquitto broker, use the following command:
sudo apt-get purge --auto-remove mosquitto
Step 3: Uninstall Mosquitto Clients
If you’ve installed Mosquitto clients, you can remove them with:
sudo apt-get purge --auto-remove mosquitto-clients
Step 4: Remove Mosquitto Repository
If you added the Mosquitto repository to your system, it’s a good idea to remove it:
sudo add-apt-repository --remove ppa:mosquitto-dev/mosquitto-ppa
Step 5: Update the System
After uninstalling software, it’s always a good idea to update the package database:
sudo apt-get update
- sudo systemctl stop mosquitto – Stops the Mosquitto service.
- sudo apt-get purge –auto-remove mosquitto – Uninstalls the Mosquitto broker.
- sudo apt-get purge –auto-remove mosquitto-clients – Uninstalls Mosquitto clients.
- sudo add-apt-repository –remove ppa:mosquitto-dev/mosquitto-ppa – Removes the Mosquitto repository.
- sudo apt-get update – Updates the package database.
Why would I need to uninstall Mosquitto?
There could be multiple reasons, such as troubleshooting, system cleanup, or migration to a different MQTT broker or platform.
Is it necessary to stop the Mosquitto service before uninstalling?
Yes, it’s a best practice to stop any service before uninstalling to ensure a smooth and error-free removal process.
What is the difference between ‘remove’ and ‘purge’ in apt-get?
‘remove’ deletes the software but keeps configuration files, while ‘purge’ deletes both the software and its configuration files.
Can I reinstall Mosquitto after uninstalling?
Yes, you can always reinstall Mosquitto or any other software after uninstalling it.
Do I need to restart my system after the uninstallation?
No, a system restart is not mandatory after uninstalling Mosquitto, but it’s a good practice to ensure all changes take effect.
Uninstalling software like Mosquitto from your Ubuntu system is a straightforward process when you follow the right steps. By ensuring you’ve stopped the service, removed both the broker and clients, and updated your system, you can be confident that Mosquitto has been completely removed.