Wazuh is an open-source security monitoring solution that helps organizations detect and respond to threats in real-time. One of the key features of Wazuh is its ability to monitor and manage agents, which are installed on the systems being monitored. Removing agents from Wazuh can be necessary for various reasons, such as decommissioning a system…
PostgreSQL is a powerful open-source relational database management system (RDBMS) that is known for its robustness, scalability, and extensibility. It is widely used by organizations of all sizes, from small startups to large enterprises. What is PostgreSQL? PostgreSQL, often referred to as Postgres, is a free and open-source object-relational database management system. It was first…
Introduction: PostgreSQL supports a wide range of data types that allow you to store various kinds of information in your database. In this section, we’ll take a look at some of the most commonly used data types and provide a brief description of each. This will serve as a useful reference as you work with…
Introduction: Domains in PostgreSQL are essentially user-defined data types that can be created using the CREATE DOMAIN command. These custom data types allow you to apply constraints and validation rules to columns in your tables by defining a set of values that are valid for a particular attribute or field. This ensures consistency and data integrity within…
Tuples In the relational model, a tuple is a fundamental concept that represents a single record or row in a table. In PostgreSQL, a tuple is composed of a set of attribute values, each corresponding to a specific column or field in the table. This section will cover the various aspects and properties of tuples within PostgreSQL….
PostgreSQL is a powerful open-source relational database management system that offers a wide range of configuration options to optimize performance and customize the behavior of the database server. These configuration options are stored in various configuration files that control different aspects of the PostgreSQL server. These are the main configuration files in a standard PostgreSQL…
PostgreSQL Configuration Information Purpose Command Show PostgreSQL version sudo -u postgres psql -c “SHOW server_version;” Show Data Directory sudo -u postgres psql -c “SHOW data_directory;” Show Listen Addresses sudo -u postgres psql -c “SHOW listen_addresses;” Show Ports sudo -u postgres psql -c “SHOW port;” Show Max Connections sudo -u postgres psql -c “SHOW max_connections;” Show…