How To Install libhealpix-java-doc on Ubuntu 18.04

In this tutorial we learn how to install libhealpix-java-doc on Ubuntu 18.04. libhealpix-java-doc is HEALPix representation of spherical data - Java documentation

Introduction

In this tutorial we learn how to install libhealpix-java-doc on Ubuntu 18.04.

What is libhealpix-java-doc

libhealpix-java-doc is:

HEALPix is an acronym for Hierarchical Equal Area isoLatitude Pixelization of a sphere. As suggested in the name, this pixelization produces a subdivision of a spherical surface in which each pixel covers the same surface area as every other pixel. It is commonly used to store all-sky astronomical images, most famously maps of the cosmic microwave background.

This package provides documentation for the Java language implementation of HEALPix.

There are three methods to install libhealpix-java-doc 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 libhealpix-java-doc Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install libhealpix-java-doc

Install libhealpix-java-doc Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libhealpix-java-doc using apt by running the following command:

sudo apt -y install libhealpix-java-doc

Install libhealpix-java-doc 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 libhealpix-java-doc using aptitude by running the following command:

sudo aptitude -y install libhealpix-java-doc

How To Uninstall libhealpix-java-doc on Ubuntu 18.04

To uninstall only the libhealpix-java-doc package we can use the following command:

sudo apt-get remove libhealpix-java-doc

Uninstall libhealpix-java-doc And Its Dependencies

To uninstall libhealpix-java-doc and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libhealpix-java-doc

Remove libhealpix-java-doc Configurations and Data

To remove libhealpix-java-doc configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libhealpix-java-doc

Remove libhealpix-java-doc configuration, data, and all of its dependencies

We can use the following command to remove libhealpix-java-doc configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libhealpix-java-doc

References

Summary

In this tutorial we learn how to install libhealpix-java-doc package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.