update-notifier command not found

In this troubleshooting guide we learn how to fix update-notifier command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

update-notifier: command not found

or when using sudo you get the following error message

sudo: update-notifier: command not found

In Ubuntu update-notifier is provided by update-notifier package.

update-notifier is:

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

To fix this problem, we can install more using the command below.

sudo apt-get -y install update-notifier

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install update-notifier.

sudo apt -y install update-notifier

Or if you have aptitude installed you can use the following command.

sudo aptitude install update-notifier

In this tutorial we learn how to fix update-notifier command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.