How To Install tessa on Debian 9

In this tutorial we learn how to install tessa on Debian 9. tessa is simulation of 3D optical systems with the FDTD method

Introduction

In this tutorial we learn how to install tessa on Debian 9.

What is tessa

tessa is:

Tessa is a three-dimensional simulation software for optical systems at the wavelength scale, based on the finite differences time-domain method (FDTD). It focuses on simulating large, resonating structures, but can also be used to study propagating beams. It can simulate arbitrary dielectric and absorbing materials, and can be used on single workstations as well as clusters.

Tessa is believed to be terribly efficient.

URL: http://alioth.debian.org/projects/tessa/

There are three methods to install tessa on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install tessa Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install tessa

Install tessa Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install tessa

Install tessa 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

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

sudo aptitude -y install tessa

How To Uninstall tessa on Debian 9

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

sudo apt-get remove tessa

Uninstall tessa And Its Dependencies

To uninstall tessa and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove tessa

Remove tessa Configurations and Data

To remove tessa configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge tessa

Remove tessa configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge tessa

Dependencies

tessa have the following dependencies:

References

Summary

In this tutorial we learn how to install tessa package on Debian 9 using different package management tools: apt, apt-get and aptitude.