5.4.1 Install & connect

6 entries

• 0198 Install PostgreSQL and connect with psql on Debian, Ubuntu and RHEL Install the PostgreSQL server from your distribution or the official PGDG repositories, start it, and open your first psql session as the… Beginner · How-to · Linux Article Install & connect 15 Oct 2026
• 0199 psql meta-commands cheat sheet The backslash commands you use every day in psql: connecting, listing databases, tables and roles, describing objects, timing queries, expanded output and… Beginner · Reference · Any system Article Install & connect · Roles & administration 15 Oct 2026
• 0201 pg_hba.conf and PostgreSQL authentication methods pg_hba.conf decides who may connect from where and how they must prove who they are. Rules are checked top to bottom and… Intermediate · Concept · Linux Article Install & connect · Security & access 15 Oct 2026
• 0210 Fix: FATAL: no pg_hba.conf entry for host The server received the connection but no pg_hba.conf rule matches this client address, user, database and SSL mode. Add or correct a… Intermediate · Fix · Linux Article Install & connect · Security & access 15 Oct 2026
• 0211 Fix: psql connection to server on socket /var/run/postgresql/.s.PGSQL.5432 failed psql tried the local Unix socket and found nothing there. The server is not running, listens on another port, or uses a… Beginner · Fix · Linux Article Install & connect 15 Oct 2026
• 0257 Run PostgreSQL properly on a Linux server: install, lock down, back up, monitor and patch Set up PostgreSQL 18 from the official repository for one application: a dedicated role and database, SCRAM logins from one app server… Intermediate · Tutorial · Linux Article Backup & restore · Install & connect · Roles & administration 15 Oct 2026