How To Install update-notifier on Ubuntu 18.04

In this tutorial we learn how to install update-notifier on Ubuntu 18.04. update-notifier is Daemon which notifies about package updates

Introduction

In this tutorial we learn how to install update-notifier on Ubuntu 18.04.

What is update-notifier

update-notifier is:

Puts an icon in the user’s notification area when package updates are available.

There are three methods to install update-notifier on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install update-notifier Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install update-notifier

Install update-notifier Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install update-notifier

Install update-notifier 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 update-notifier using aptitude by running the following command:

sudo aptitude -y install update-notifier

How To Uninstall update-notifier on Ubuntu 18.04

To uninstall only the update-notifier package we can use the following command:

sudo apt-get remove update-notifier

Uninstall update-notifier And Its Dependencies

To uninstall update-notifier and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove update-notifier

Remove update-notifier Configurations and Data

To remove update-notifier configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge update-notifier

Remove update-notifier configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge update-notifier

References

Summary

In this tutorial we learn how to install update-notifier package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.