GNU/Linux PostgreSQL 12 Admin Guide
You are Welcome! This Article Resume the Start-Up Procedure Following the Installation for Getting-Started with PostgreSQL 12 CLI and GUI Administration in GNU/Linux.
And this PostgreSQL 12 Linux Admin Guide let you make the First, Steps Easily with PostgreSQL 12 Database.
Furthermore, the Procedure Described is Expressly Resumed in Few Words to Give Focus to the Essential Commands Needed to the Initial SetUp.
Finally, the post include also information on Installing PostgreSQL 12 on Linux and PostgreSQL 12 Online Docs.
1. Installing PostgreSQL 12
How to Install the PostgreSQL 12 Server on LinuxPostgreSQL 12 Linux Install