How To Install iraf on Ubuntu 20.04
Introduction
In this tutorial we learn how to install iraf on Ubuntu 20.04.
What is iraf
iraf is:
IRAF is the “Image Reduction and Analysis Facility”. The main IRAF distribution includes a good selection of programs for general image processing and graphics.
Other external or layered packages are available for applications such as data acquisition or handling data from other observatories and wavelength regimes such as the Hubble Space Telescope (optical), EUVE (extreme ultra-violet), or ROSAT and AXAF (X-ray). These external packages are distributed separately from the main IRAF distribution but can be easily installed. The IRAF system also the programmable Command Language scripting facility.
There are three methods to install iraf 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 iraf Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install iraf using apt-get by running the following command:
sudo apt-get -y install iraf
Install iraf Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install iraf using apt by running the following command:
sudo apt -y install iraf
Install iraf 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 iraf using aptitude by running the following command:
sudo aptitude -y install iraf
How To Uninstall iraf on Ubuntu 20.04
To uninstall only the iraf package we can use the following command:
sudo apt-get remove iraf
Uninstall iraf And Its Dependencies
To uninstall iraf and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove iraf
Remove iraf Configurations and Data
To remove iraf configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge iraf
Remove iraf configuration, data, and all of its dependencies
We can use the following command to remove iraf configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge iraf
References
Summary
In this tutorial we learn how to install iraf package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.