How To Install postgis on CentOS 7
Introduction
In this tutorial we learn how to install postgis on CentOS 7.
What is postgis
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” and has been certified as compliant with the “Types and Functions” profile.
We can use yum or dnf to install postgis on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install postgis.
Install postgis on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install postgis using yum by running the following command:
sudo yum -y install postgis
Install postgis on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install postgis using dnf by running the following command:
sudo dnf -y install postgis
How To Uninstall postgis on CentOS 7
To uninstall only the postgis package we can use the following command:
sudo dnf remove postgis
References
Summary
In this tutorial we learn how to install postgis on CentOS 7 using yum and dnf.