How To Install alfa on Ubuntu 22.04

In this tutorial we learn how to install alfa on Ubuntu 22.04. alfa is Automated Line Fitting Algorithm

Introduction

In this tutorial we learn how to install alfa on Ubuntu 22.04.

What is alfa

alfa is:

ALFA measures fluxes in emission line spectra, such as those of planetary nebulae and HII regions, using a genetic algorithm to rapidly optimise fits to large numbers of lines simultaneously. It can subtract night sky emission lines before fitting the nebular lines if necessary. It can read plain text files containing 1D spectral data, or FITS files containing 1D, 2D or 3D datasets.

There are three methods to install alfa on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install alfa Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install alfa

Install alfa Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install alfa

Install alfa 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 alfa using aptitude by running the following command:

sudo aptitude -y install alfa

How To Uninstall alfa on Ubuntu 22.04

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

sudo apt-get remove alfa

Uninstall alfa And Its Dependencies

To uninstall alfa and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove alfa

Remove alfa Configurations and Data

To remove alfa configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge alfa

Remove alfa configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge alfa

References

Summary

In this tutorial we learn how to install alfa package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.