How To Install libqca-qt5-2 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libqca-qt5-2 on Ubuntu 18.04.
What is libqca-qt5-2
libqca-qt5-2 is:
The Qt Cryptographic Architecture (QCA) provides a straightforward and cross- platform API for a range of cryptographic features, including SSL/TLS, X.509 certificates, SASL, OpenPGP, S/MIME CMS, and smart cards.
There are three methods to install libqca-qt5-2 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 libqca-qt5-2 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libqca-qt5-2 using apt-get by running the following command:
sudo apt-get -y install libqca-qt5-2
Install libqca-qt5-2 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libqca-qt5-2 using apt by running the following command:
sudo apt -y install libqca-qt5-2
Install libqca-qt5-2 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 libqca-qt5-2 using aptitude by running the following command:
sudo aptitude -y install libqca-qt5-2
How To Uninstall libqca-qt5-2 on Ubuntu 18.04
To uninstall only the libqca-qt5-2 package we can use the following command:
sudo apt-get remove libqca-qt5-2
Uninstall libqca-qt5-2 And Its Dependencies
To uninstall libqca-qt5-2 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libqca-qt5-2
Remove libqca-qt5-2 Configurations and Data
To remove libqca-qt5-2 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libqca-qt5-2
Remove libqca-qt5-2 configuration, data, and all of its dependencies
We can use the following command to remove libqca-qt5-2 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libqca-qt5-2
References
Summary
In this tutorial we learn how to install libqca-qt5-2 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
