How To Install scdaemon on Ubuntu 18.04

In this tutorial we learn how to install scdaemon on Ubuntu 18.04. scdaemon is GNU privacy guard - smart card support

Introduction

In this tutorial we learn how to install scdaemon on Ubuntu 18.04.

What is scdaemon

scdaemon is:

GnuPG is GNU’s tool for secure communication and data storage. It can be used to encrypt data and to create digital signatures. It includes an advanced key management facility and is compliant with the proposed OpenPGP Internet standard as described in RFC4880.

This package contains the smart card program scdaemon, which is used by gpg-agent to access OpenPGP smart cards.

There are three methods to install scdaemon 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 scdaemon Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install scdaemon using apt-get by running the following command:

sudo apt-get -y install scdaemon

Install scdaemon Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install scdaemon using apt by running the following command:

sudo apt -y install scdaemon

Install scdaemon 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 scdaemon using aptitude by running the following command:

sudo aptitude -y install scdaemon

How To Uninstall scdaemon on Ubuntu 18.04

To uninstall only the scdaemon package we can use the following command:

sudo apt-get remove scdaemon

Uninstall scdaemon And Its Dependencies

To uninstall scdaemon and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove scdaemon

Remove scdaemon Configurations and Data

To remove scdaemon configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge scdaemon

Remove scdaemon configuration, data, and all of its dependencies

We can use the following command to remove scdaemon configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge scdaemon

References

Summary

In this tutorial we learn how to install scdaemon package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.