How To Install liblightdm-qt-dev on Ubuntu 18.04
Introduction
In this tutorial we learn how to install liblightdm-qt-dev on Ubuntu 18.04.
What is liblightdm-qt-dev
liblightdm-qt-dev is:
A Qt based library for LightDM clients to use to interface with LightDM.
This package contains header files and development information, which is useful for building LightDM greeters and user switchers.
There are three methods to install liblightdm-qt-dev 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 liblightdm-qt-dev Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install liblightdm-qt-dev using apt-get by running the following command:
sudo apt-get -y install liblightdm-qt-dev
Install liblightdm-qt-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install liblightdm-qt-dev using apt by running the following command:
sudo apt -y install liblightdm-qt-dev
Install liblightdm-qt-dev 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 liblightdm-qt-dev using aptitude by running the following command:
sudo aptitude -y install liblightdm-qt-dev
How To Uninstall liblightdm-qt-dev on Ubuntu 18.04
To uninstall only the liblightdm-qt-dev package we can use the following command:
sudo apt-get remove liblightdm-qt-dev
Uninstall liblightdm-qt-dev And Its Dependencies
To uninstall liblightdm-qt-dev and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove liblightdm-qt-dev
Remove liblightdm-qt-dev Configurations and Data
To remove liblightdm-qt-dev configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge liblightdm-qt-dev
Remove liblightdm-qt-dev configuration, data, and all of its dependencies
We can use the following command to remove liblightdm-qt-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge liblightdm-qt-dev
References
Summary
In this tutorial we learn how to install liblightdm-qt-dev package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
