How To Install eag-healpix-java on Ubuntu 20.04
Introduction
In this tutorial we learn how to install eag-healpix-java
on Ubuntu 20.04.
What is eag-healpix-java
eag-healpix-java is:
The package creates sky pixelization to a specified resolution.
These tools permit creation of HEALPix maps as well as use of existing maps. There are tools to translate sky coordinates (Ra, Dec) to a pixel number, and to generate a list of neighboring pixels within some specified radius. More complicated queries are also supported.
There are three methods to install eag-healpix-java
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 eag-healpix-java Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install eag-healpix-java
using apt-get
by running the following command:
sudo apt-get -y install eag-healpix-java
Install eag-healpix-java Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install eag-healpix-java
using apt
by running the following command:
sudo apt -y install eag-healpix-java
Install eag-healpix-java 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 eag-healpix-java
using aptitude
by running the following command:
sudo aptitude -y install eag-healpix-java
How To Uninstall eag-healpix-java on Ubuntu 20.04
To uninstall only the eag-healpix-java
package we can use the following command:
sudo apt-get remove eag-healpix-java
Uninstall eag-healpix-java And Its Dependencies
To uninstall eag-healpix-java
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove eag-healpix-java
Remove eag-healpix-java Configurations and Data
To remove eag-healpix-java
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge eag-healpix-java
Remove eag-healpix-java configuration, data, and all of its dependencies
We can use the following command to remove eag-healpix-java
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge eag-healpix-java
References
Summary
In this tutorial we learn how to install eag-healpix-java
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.