How To Install liblightdm-qt5-3-dev on Ubuntu 20.04
Introduction
In this tutorial we learn how to install liblightdm-qt5-3-dev on Ubuntu 20.04.
What is liblightdm-qt5-3-dev
liblightdm-qt5-3-dev is:
A Qt 5 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.
Package: liblightdm-qt5-3-dev Architecture: amd64 Version: 1.30.0-0ubuntu3.1 Multi-Arch: same Priority: optional Section: universe/libdevel Source: lightdm Origin: Ubuntu Maintainer: Robert Ancell [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 62 Depends: liblightdm-qt5-3-0 (= 1.30.0-0ubuntu3.1), qtbase5-dev Filename: pool/universe/l/lightdm/liblightdm-qt5-3-dev_1.30.0-0ubuntu3.1_amd64.deb Size: 4488 MD5sum: 4a891c3276242c00ee7b7babc2198c30 SHA1: 0e10c62170e104a8447f1be14e711286b55532e1 SHA256: 6b7940007ac5c20f03b6466406ceeb2a73d313f3399ab2268a6ddf8b224cd761 Homepage: https://github.com/canonical/lightdm Description-en: LightDM Qt 5 client library (development files) A Qt 5 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-qt5-3-dev on Ubuntu 20.04. 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-qt5-3-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-qt5-3-dev using apt-get by running the following command:
sudo apt-get -y install liblightdm-qt5-3-dev
Install liblightdm-qt5-3-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install liblightdm-qt5-3-dev using apt by running the following command:
sudo apt -y install liblightdm-qt5-3-dev
Install liblightdm-qt5-3-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-qt5-3-dev using aptitude by running the following command:
sudo aptitude -y install liblightdm-qt5-3-dev
How To Uninstall liblightdm-qt5-3-dev on Ubuntu 20.04
To uninstall only the liblightdm-qt5-3-dev package we can use the following command:
sudo apt-get remove liblightdm-qt5-3-dev
Uninstall liblightdm-qt5-3-dev And Its Dependencies
To uninstall liblightdm-qt5-3-dev and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove liblightdm-qt5-3-dev
Remove liblightdm-qt5-3-dev Configurations and Data
To remove liblightdm-qt5-3-dev configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge liblightdm-qt5-3-dev
Remove liblightdm-qt5-3-dev configuration, data, and all of its dependencies
We can use the following command to remove liblightdm-qt5-3-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge liblightdm-qt5-3-dev
References
Summary
In this tutorial we learn how to install liblightdm-qt5-3-dev package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
