How To Install skycat on Ubuntu 18.04
Introduction
In this tutorial we learn how to install skycat on Ubuntu 18.04.
What is skycat
skycat is:
The ESO/Starlink Skycat tool combines the image display capabilities of the RTD (Real-Time Display) with a set of classes for accessing astronomical catalogs locally and over the network using HTTP. The tool allows you to view FITS images from files or from the Digitized Sky Survey (DSS).
There are three methods to install skycat 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 skycat Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install skycat using apt-get by running the following command:
sudo apt-get -y install skycat
Install skycat Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install skycat using apt by running the following command:
sudo apt -y install skycat
Install skycat 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 skycat using aptitude by running the following command:
sudo aptitude -y install skycat
How To Uninstall skycat on Ubuntu 18.04
To uninstall only the skycat package we can use the following command:
sudo apt-get remove skycat
Uninstall skycat And Its Dependencies
To uninstall skycat and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove skycat
Remove skycat Configurations and Data
To remove skycat configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge skycat
Remove skycat configuration, data, and all of its dependencies
We can use the following command to remove skycat configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge skycat
References
Summary
In this tutorial we learn how to install skycat package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
