How To Install aoflagger on Ubuntu 20.04

In this tutorial we learn how to install aoflagger on Ubuntu 20.04. aoflagger is Find RFI in radio astronomical observations

Introduction

In this tutorial we learn how to install aoflagger on Ubuntu 20.04.

What is aoflagger

aoflagger is:

The AOFlagger is a tool that can find and remove radio-frequency interference (RFI) in radio astronomical observations. The code has been highly optimized for speed and accuracy. It is used by default for the LOFAR radio telescope and thus is in productional stage. The software can run in a fully automated way, but a graphical interface is provided to analyse results and tweak the strategy. The preferred input file format is the Casa Measurement Set (MS) format.

Besides the flagger, the software consists of tools to efficiently visualize data in different ways, such as plotting time-frequency diagrams and power spectra. It provides the programs aoflagger, rfigui, aoqplot, aoquality and more.

There are three methods to install aoflagger on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install aoflagger Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install aoflagger

Install aoflagger Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install aoflagger

Install aoflagger 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 aoflagger using aptitude by running the following command:

sudo aptitude -y install aoflagger

How To Uninstall aoflagger on Ubuntu 20.04

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

sudo apt-get remove aoflagger

Uninstall aoflagger And Its Dependencies

To uninstall aoflagger and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove aoflagger

Remove aoflagger Configurations and Data

To remove aoflagger configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge aoflagger

Remove aoflagger configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge aoflagger

References

Summary

In this tutorial we learn how to install aoflagger package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.