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The passwords can be stored as scram-sha-256 md5 and password (clear-text)

Password - A role can connect by providing a password.Trust - A role can connect without a password, as long as the criteria defined in the pg_hba.conf are met.PostgreSQL supports several authentication methods Depending on how you set up the role, it can represent a database user or a group of database users. PostgreSQL handles database access permissions using the concept of roles. PostgreSQL Roles and Authentication Methods # Psql is an interactive terminal program that allows you to interact with the PostgreSQL server. The output should look something like the following: PostgreSQL 11.5 (Debian 11.5-1+deb10u1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 8.3.0-6) 8.3.0, 64-bit : sudo -u postgres psql -c "SELECT version() " To verify the installation, use the psql tool to print the server version Once the installation is complete, the PostgreSQL service will start. Install the PostgreSQL server and contrib package which provides additional features for the PostgreSQL database: sudo apt install postgresql postgresql-contrib Start by updating the APT package index: sudo apt update

To install PostgreSQL on your Debian server perform the following steps as root or user with sudo privileges Installing PostgreSQL #Īt the time of writing this article, the latest version of PostgreSQL available from the default Debian repositories is PostgreSQL version 11.5. We’ll also explore the fundamentals of basic database administration. This tutorial walks you through the steps of installing the PostgreSQL database server on Debian 10.