gdm3 command not found

In this troubleshooting guide we learn how to fix gdm3 command not found error message

Introduction

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

gdm3: command not found

or when using sudo you get the following error message

sudo: gdm3: command not found

In Ubuntu gdm3 is provided by gdm3 package.

gdm3 is:

GDM provides the equivalent of a “login:” prompt for X displays: it asks for a login and starts graphical sessions.

It supports multiple seats and switching between multiple users.

The greeter is based on the GNOME libraries and applications, and its look and design are the same as those of a GNOME session.

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

sudo apt-get -y install gdm3

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

You can also use apt command to install gdm3.

sudo apt -y install gdm3

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

sudo aptitude install gdm3

In this tutorial we learn how to fix gdm3 command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.