How To Install qca2-utils on Ubuntu 18.04
Introduction
In this tutorial we learn how to install qca2-utils on Ubuntu 18.04.
What is qca2-utils
qca2-utils 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.
This package contains the command line tool for the Qt Cryptographic Architecture.
There are three methods to install qca2-utils 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 qca2-utils Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install qca2-utils using apt-get by running the following command:
sudo apt-get -y install qca2-utils
Install qca2-utils Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install qca2-utils using apt by running the following command:
sudo apt -y install qca2-utils
Install qca2-utils 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 qca2-utils using aptitude by running the following command:
sudo aptitude -y install qca2-utils
How To Uninstall qca2-utils on Ubuntu 18.04
To uninstall only the qca2-utils package we can use the following command:
sudo apt-get remove qca2-utils
Uninstall qca2-utils And Its Dependencies
To uninstall qca2-utils and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove qca2-utils
Remove qca2-utils Configurations and Data
To remove qca2-utils configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge qca2-utils
Remove qca2-utils configuration, data, and all of its dependencies
We can use the following command to remove qca2-utils configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge qca2-utils
References
Summary
In this tutorial we learn how to install qca2-utils package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
