How To Install libproj15 on Ubuntu 20.04
Introduction
In this tutorial we learn how to install libproj15 on Ubuntu 20.04.
What is libproj15
libproj15 is:
Proj and invproj perform respective forward and inverse transformation of cartographic data to or from Cartesian data with a wide range of selectable projection functions (over 100 projections).
Geod and invgeod perform geodesic (Great Circle) computations for determining latitude, longitude and back azimuth of a terminus point given a initial point latitude, longitude, azimuth and distance (direct) or the forward and back azimuths and distance between an initial and terminus point latitudes and longitudes (inverse).
This package provides the PROJ shared library used by tools and third parties programs. Task: ubuntustudio-video, ubuntustudio-publishing, ubuntustudio-photography, ubuntustudio-graphics
There are three methods to install libproj15 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 libproj15 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libproj15 using apt-get by running the following command:
sudo apt-get -y install libproj15
Install libproj15 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libproj15 using apt by running the following command:
sudo apt -y install libproj15
Install libproj15 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 libproj15 using aptitude by running the following command:
sudo aptitude -y install libproj15
How To Uninstall libproj15 on Ubuntu 20.04
To uninstall only the libproj15 package we can use the following command:
sudo apt-get remove libproj15
Uninstall libproj15 And Its Dependencies
To uninstall libproj15 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove libproj15
Remove libproj15 Configurations and Data
To remove libproj15 configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge libproj15
Remove libproj15 configuration, data, and all of its dependencies
We can use the following command to remove libproj15 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libproj15
References
Summary
In this tutorial we learn how to install libproj15 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.