How To Install libcasa-casa4 on Ubuntu 20.04
Introduction
In this tutorial we learn how to install libcasa-casa4 on Ubuntu 20.04.
What is libcasa-casa4
libcasa-casa4 is:
The casacore package contains the core libraries of the old AIPS++/CASA (Common Astronomy Software Applications) package. This split was made to get a better separation of core libraries and applications.
This package contains the Core modules: Multi-dimensional arrays, Quantities (values with physical units), OS and IO interface classes, Containers (from pre-STL era), Miscellaneous modules for exceptions, tasking interface, command line input, logging, STL wrappers, and basic math classes and functors.
Most of the code has been developed before STL came into existence, so several classes in modules Containers and Utilities are superseded by their STL counterparts. However, they are still used in some casacore code. Furthermore, some classes offer some extra functionality compared to STL.
There are three methods to install libcasa-casa4 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 libcasa-casa4 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libcasa-casa4 using apt-get by running the following command:
sudo apt-get -y install libcasa-casa4
Install libcasa-casa4 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libcasa-casa4 using apt by running the following command:
sudo apt -y install libcasa-casa4
Install libcasa-casa4 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 libcasa-casa4 using aptitude by running the following command:
sudo aptitude -y install libcasa-casa4
How To Uninstall libcasa-casa4 on Ubuntu 20.04
To uninstall only the libcasa-casa4 package we can use the following command:
sudo apt-get remove libcasa-casa4
Uninstall libcasa-casa4 And Its Dependencies
To uninstall libcasa-casa4 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove libcasa-casa4
Remove libcasa-casa4 Configurations and Data
To remove libcasa-casa4 configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge libcasa-casa4
Remove libcasa-casa4 configuration, data, and all of its dependencies
We can use the following command to remove libcasa-casa4 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libcasa-casa4
References
Summary
In this tutorial we learn how to install libcasa-casa4 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.