How To Install pinentry-qt4 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install pinentry-qt4 on Ubuntu 18.04.
What is pinentry-qt4
pinentry-qt4 is:
Pinentry is a program for secure entry of PINs and passphrases, from the GnuPG project.
This package installs a symbolic link from pinentry-qt4 to pinentry-qt. You should switch to using pinentry-qt instead.
There are three methods to install pinentry-qt4 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 pinentry-qt4 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install pinentry-qt4 using apt-get by running the following command:
sudo apt-get -y install pinentry-qt4
Install pinentry-qt4 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install pinentry-qt4 using apt by running the following command:
sudo apt -y install pinentry-qt4
Install pinentry-qt4 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 pinentry-qt4 using aptitude by running the following command:
sudo aptitude -y install pinentry-qt4
How To Uninstall pinentry-qt4 on Ubuntu 18.04
To uninstall only the pinentry-qt4 package we can use the following command:
sudo apt-get remove pinentry-qt4
Uninstall pinentry-qt4 And Its Dependencies
To uninstall pinentry-qt4 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove pinentry-qt4
Remove pinentry-qt4 Configurations and Data
To remove pinentry-qt4 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge pinentry-qt4
Remove pinentry-qt4 configuration, data, and all of its dependencies
We can use the following command to remove pinentry-qt4 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge pinentry-qt4
References
Summary
In this tutorial we learn how to install pinentry-qt4 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
