How To Install astrometry-data-2mass on Ubuntu 18.04

In this tutorial we learn how to install astrometry-data-2mass on Ubuntu 18.04. astrometry-data-2mass is Astrometry.net 2MASS index files downloader

Introduction

In this tutorial we learn how to install astrometry-data-2mass on Ubuntu 18.04.

What is astrometry-data-2mass

astrometry-data-2mass is:

The astrometry engine will take any image and return the astrometry world coordinate system (WCS), a standards-based description of the transformation between image coordinates and sky coordinates.

This package downloads all index files built from the 2MASS survey. The installation requires a working internet connection.

There are three methods to install astrometry-data-2mass 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 astrometry-data-2mass Using apt-get

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

sudo apt-get update

After updating apt database, We can install astrometry-data-2mass using apt-get by running the following command:

sudo apt-get -y install astrometry-data-2mass

Install astrometry-data-2mass Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install astrometry-data-2mass using apt by running the following command:

sudo apt -y install astrometry-data-2mass

Install astrometry-data-2mass 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 astrometry-data-2mass using aptitude by running the following command:

sudo aptitude -y install astrometry-data-2mass

How To Uninstall astrometry-data-2mass on Ubuntu 18.04

To uninstall only the astrometry-data-2mass package we can use the following command:

sudo apt-get remove astrometry-data-2mass

Uninstall astrometry-data-2mass And Its Dependencies

To uninstall astrometry-data-2mass and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove astrometry-data-2mass

Remove astrometry-data-2mass Configurations and Data

To remove astrometry-data-2mass configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge astrometry-data-2mass

Remove astrometry-data-2mass configuration, data, and all of its dependencies

We can use the following command to remove astrometry-data-2mass configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge astrometry-data-2mass

References

Summary

In this tutorial we learn how to install astrometry-data-2mass package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.