What do you need to install the PostgreSQL database?
Step 1: Enable the EPEL repository
Accept the installation by pressing the y key when prompted. Below are the minimum requirements for installation in the production configuration.
2GB RAM recommended 1 virtual cpu core 1GB of disk space for installation You also need SSH access to the server as a user with sudo privileges.
Check that the correct PostgreSQL software versions are being installed.
Step 3: Initialize and Start the Database Service
You need to generate the initial database settings file before starting the service. The main database server configuration file is /var/lib/pgsql/12/data/postgresql.conf .
Final note
