How To Install lightdm-gtk-greeter on Ubuntu 18.04
Introduction
In this tutorial we learn how to install lightdm-gtk-greeter on Ubuntu 18.04.
What is lightdm-gtk-greeter
lightdm-gtk-greeter is:
A LightDM greeter that uses the GTK+ toolkit.
There are three methods to install lightdm-gtk-greeter 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 lightdm-gtk-greeter Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install lightdm-gtk-greeter using apt-get by running the following command:
sudo apt-get -y install lightdm-gtk-greeter
Install lightdm-gtk-greeter Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install lightdm-gtk-greeter using apt by running the following command:
sudo apt -y install lightdm-gtk-greeter
Install lightdm-gtk-greeter 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 lightdm-gtk-greeter using aptitude by running the following command:
sudo aptitude -y install lightdm-gtk-greeter
How To Uninstall lightdm-gtk-greeter on Ubuntu 18.04
To uninstall only the lightdm-gtk-greeter package we can use the following command:
sudo apt-get remove lightdm-gtk-greeter
Uninstall lightdm-gtk-greeter And Its Dependencies
To uninstall lightdm-gtk-greeter and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove lightdm-gtk-greeter
Remove lightdm-gtk-greeter Configurations and Data
To remove lightdm-gtk-greeter configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge lightdm-gtk-greeter
Remove lightdm-gtk-greeter configuration, data, and all of its dependencies
We can use the following command to remove lightdm-gtk-greeter configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge lightdm-gtk-greeter
References
Summary
In this tutorial we learn how to install lightdm-gtk-greeter package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
