How To Install postgis on Debian 9
Introduction
In this tutorial we learn how to install postgis on Debian 9.
What is postgis
postgis is:
PostGIS adds support for geographic objects to the PostgreSQL object-relational database. In effect, PostGIS “spatially enables” the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS), much like ESRI’s SDE or Oracle’s Spatial extension. PostGIS follows the OpenGIS “Simple Features Specification for SQL”.
This package contains the PostGIS userland binaries, common files.
There are three methods to install postgis on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install postgis Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install postgis using apt-get by running the following command:
sudo apt-get -y install postgis
Install postgis Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install postgis using apt by running the following command:
sudo apt -y install postgis
Install postgis 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 Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install postgis using aptitude by running the following command:
sudo aptitude -y install postgis
How To Uninstall postgis on Debian 9
To uninstall only the postgis package we can use the following command:
sudo apt-get remove postgis
Uninstall postgis And Its Dependencies
To uninstall postgis and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove postgis
Remove postgis Configurations and Data
To remove postgis configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge postgis
Remove postgis configuration, data, and all of its dependencies
We can use the following command to remove postgis configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge postgis
Dependencies
postgis have the following dependencies:
References
Summary
In this tutorial we learn how to install postgis package on Debian 9 using different package management tools: apt, apt-get and aptitude.