Resolved PostgreSQL authentication and permission errors

Day: 2023-01-28
Time: 20:45 to 21:25
Project: Dev
Workspace: WP 2: Operational
Status: Completed
Priority: MEDIUM
Assignee: Matías Nehuen Iglesias
Tags: Postgresql, Authentication, Permissions, Troubleshooting, Database

Description

The session aimed to address various PostgreSQL authentication and permission errors encountered during database administration tasks.

Restarted the PostgreSQL service on multiple operating systems, ensuring administrative privileges were used.
Resolved the ‘Peer authentication failed for user ‘postgres” error by modifying the pg_hba.conf file and ensuring compatibility between PostgreSQL and psql versions.
Changed the authentication method for the ‘postgres’ user to MD5 by editing the pg_hba.conf file and restarting the service.
Troubleshot incorrect password entries for the PostgreSQL user ‘postgres’, including checking password accuracy and user status.
Reset the password for the PostgreSQL user ‘postgres’ and ensured proper authentication settings in the pg_hba.conf file.
Resolved permission issues when accessing the PostgreSQL server by using ‘sudo’, setting a new password for the ‘postgres’ user, and checking the service status.
Created a PostgreSQL role for ‘matias’ and granted necessary permissions for database access.
Managed command history in the shell environment using the history command.
Troubleshot PostgreSQL installation issues, including checking service status, log files, permissions, and configuration files.
Checked PostgreSQL log files for monitoring PostGIS installations using command-line tools.

Successfully resolved multiple PostgreSQL authentication and permission errors, improving database administration efficiency.

Further monitoring of PostgreSQL and PostGIS installations to ensure stability and performance.
Continuous review of log files for any new errors or warnings.

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