PostgreSQL 14 Installation in Debian Buster – Step-by-step

Installing

2. 2. Setting Up PostgreSQL 14 Repo

   How to Add PostgreSQL 14 Linux Debian Apt Repository

   PostgreSQL 14 Apt Repo Setup

   PostgreSQL 14 Apt Repository

3. 3. Installing PostgreSQL 14

   Then to Install PostgreSQL 14 for Debian
   Especially relevant: in case you have a previous PostgreSQL Setup on System you may need first of Removing it.
   Simply play:

   sudo apt install postgresql-14 postgresql-client-14

   In case of a libpq5 Version issue, then first Remove any existing PostgresSQL Installation or provide to: Download & Install Manually the Library.
   Again to Search for other gears:

   sudo apt search postgresql-14