A few months ago, I was managing a Linux server that hosted several critical applications, including a PostgreSQL database. As part of routine maintenance, I was tasked with setting up automated backups for the database. Everything was going smoothly, until one day I noticed that the backup process was hanging indefinitely and consuming system resources. …
David Cao
PostgreSQL is a powerful, open-source relational database management system (RDBMS) widely used for managing structured data. The underlying architecture of a PostgreSQL database consists of various structural objects, each playing a specific role in data storage, organization, and management. Understanding these objects and how they interact is crucial for effective database administration and application development. …
The CentOS Project has officially announced the release of CentOS Stream 10, codenamed “Coughlan.” Now available for download, this release brings a host of exciting new features, software updates, and improvements, continuing CentOS Stream’s evolution as a rolling-release distribution closely aligned with Red Hat Enterprise Linux (RHEL). With support guaranteed until at least 2030, CentOS …
In Linux, users are crucial components of the system. They are assigned various permissions and privileges that determine what they can do on the system. Understanding how to list all users on a Linux system is a key administrative task, whether you’re managing a single machine or a large network of servers. This article will …
On Wednesday, Google unveiled Gemini 2.0, the latest generation of its AI model family, starting with the experimental release of Gemini 2.0 Flash. This powerful AI can generate text, images, and speech, and process multiple types of input, including text, images, audio, and video. Gemini 2.0 is similar to multimodal AI models like GPT-4, which …
Linux is an essential skill for anyone pursuing a career in IT, cybersecurity, development, or system administration. With its open-source nature, Linux powers everything from web servers and data centers to smartphones and cloud environments. But with so many different Linux distributions (distros) available, choosing the right one to learn can be daunting. The best …
In PostgreSQL, partitioning is a technique used to manage large tables by splitting them into smaller, more manageable pieces. This helps to improve query performance, manageability, and maintenance operations. There are two main types of partitioning: vertical partitioning and horizontal partitioning. Let’s explore both concepts. 1. Horizontal Partitioning Horizontal partitioning involves dividing a table into …
PostgreSQL is a powerful, open-source relational database management system known for its flexibility, extensibility, and performance. One of the key factors in ensuring optimal database performance is configuring PostgreSQL correctly to match the specific needs of your workload. The PostgreSQL configuration file (postgresql.conf) provides a wide range of parameters that control the behavior of the …
Subqueries, also known as nested queries, are queries embedded within other SQL queries. In PostgreSQL, subqueries are a powerful tool to help filter, manipulate, and aggregate data dynamically. They allow you to perform complex data retrieval operations without the need for temporary tables or joins in some cases. A subquery can return a single value, …
In today’s world of game development, creating an interactive and engaging game has never been easier, thanks to AI-powered tools like Claude. As an AI language model, Claude can assist you in various aspects of game development, from brainstorming ideas to writing the actual game code. In this article, I will walk you through how …