How To Install yubikey-server-c on Ubuntu 18.04
Introduction
In this tutorial we learn how to install yubikey-server-c on Ubuntu 18.04.
What is yubikey-server-c
yubikey-server-c is:
Yubikeys are USB tokens that act like keyboards and generate one-time passwords. The tokens are produced and sold by Yubico
This is a server that checks the validity of those OTP tokens. There are servers written in Java and PHP, while this one is written in C
It implements the server side of the API as described on http://www.yubico.com/developers/api/ and can be used with any client that implements the same API.
There are three methods to install yubikey-server-c 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 yubikey-server-c Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install yubikey-server-c using apt-get by running the following command:
sudo apt-get -y install yubikey-server-c
Install yubikey-server-c Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install yubikey-server-c using apt by running the following command:
sudo apt -y install yubikey-server-c
Install yubikey-server-c 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 yubikey-server-c using aptitude by running the following command:
sudo aptitude -y install yubikey-server-c
How To Uninstall yubikey-server-c on Ubuntu 18.04
To uninstall only the yubikey-server-c package we can use the following command:
sudo apt-get remove yubikey-server-c
Uninstall yubikey-server-c And Its Dependencies
To uninstall yubikey-server-c and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove yubikey-server-c
Remove yubikey-server-c Configurations and Data
To remove yubikey-server-c configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge yubikey-server-c
Remove yubikey-server-c configuration, data, and all of its dependencies
We can use the following command to remove yubikey-server-c configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge yubikey-server-c
References
Summary
In this tutorial we learn how to install yubikey-server-c package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
