Exim is a mail transfer agent (MTA), which is the software responsible for receiving, routing, and delivering email messages. It’s widely used on Unix-like operating systems and is the default MTA on some Linux distributions. Exim is known for its flexibility, as it allows administrators to control its behavior through a variety of configuration options. … Read more
Troubleshooting can be a daunting task, especially when it’s a Windows issue. Windows, despite its user-friendly interface and widespread popularity, can occasionally throw a curveball your way. From driver problems to software compatibility issues, the list is nearly endless. But fear not! The online world is teeming with experienced users, experts, and communities ready to … Read more
MySQL (MariaDB) is a popular open-source relational database management system (RDBMS) used by millions of applications worldwide. However, like all software systems, it can sometimes suffer from performance issues. This blog post will walk you through enabling MySQL performance logging in Linux, identifying slow-running queries, recognizing queries without indexes, and understanding the importance of indexing … Read more
Restful APIs have become a fundamental building block of modern web applications. They are used to enable communication between different components of an application or different applications themselves. When it comes to developing Restful APIs, two popular web frameworks are Django and Laravel. Django is a Python-based web framework that provides a rich set of … Read more
MySQL (MariaDB) is an open-source relational database management system that powers a significant portion of the web. However, to get the most out of it, you need to keep it well-optimized. One of the best ways to achieve that is by using MySQLTuner, a Perl script that quickly reviews your MySQL settings and provides recommendations … Read more
The PostgreSQL GROUP BY clause is an essential tool that every database user needs to understand. We’ll dive into examples of how to use it, including GROUP BY month, day, and year. Data types play a crucial role in determining how data is grouped. The clause groups values into distinct sets where each set contains … Read more
In the realm of database management systems, two names often come up in discussions: Postgres vs SQLite. This article aims to provide a comprehensive comparison of these two popular systems, shedding light on their unique features, strengths, and potential use cases. We will delve into the following areas: By the end of this article, you … Read more
We’ll discuss the Postgres ISNULL (IS NULL) condition in this article. We’ll explain what this function does and show examples of how to use it. This operator is more than just a tool for identifying gaps in data. It’s a versatile function used in various contexts and scenarios, allowing for more comprehensive data exploration and … Read more
In this tutorial, we will be going through the steps required to set up a local Simple Mail Transfer Protocol (SMTP) server on an Ubuntu system and then use that server for email notifications in Grafana. This is necessary for the “forgot password” feature to function correctly. A little background on Grafana… Grafana is an … Read more
Java is one of the most widely used programming languages in the world, and it’s essential to have the right Java distribution for your projects. The standard edition of Java, known as Java SE, comes in various distributions, each with its unique features, costs, and installation processes. This article will explore the top five Java … Read more
In this article, we’ll dive into npm’s –legacy-peer-deps flag, which is especially useful for managing peer dependency conflicts in JavaScript projects. What Is npm? npm (Node Package Manager) is a critical tool for JavaScript developers, designed to simplify the process of managing and sharing code. Initially launched in 2010, npm allows developers to discover, install, … Read more
Buckle up, folks, because we’re about to embark on a journey to understand a common yet perplexing issue that often pops up in the world of Node.JS – ‘unable to get local issuer certificate’. Now, you might be thinking, “Wait, what’s that? Should I be worried?” If you’re working with npm, it’s something you’ll want … Read more
BlueStacks Linux is a revolutionary piece of software that bridges the gap between desktop and mobile. By using this cutting-edge emulator, users can run Android applications directly on their desktop operating systems, such as Linux. With the increasing demand for mobile apps in various sectors, BlueStacks has become an indispensable tool. When it comes to … Read more
In Linux, every file and directory has an associated set of permissions. These permissions determine who can read, write, or execute the file or directory. Using the chmod command is a fundamental aspect of Linux and Unix-like operating systems. We’ll show you several Linux permissions calculators and examples of how to use the chmod comand. … Read more
Shell scripting is a powerful programming method used to automate tasks in Unix and Linux systems. An integral part of shell scripting is the ‘sleep‘ command, often used to pause the execution of a script for a specified amount of time. Its usage helps manage system resources better and control script execution flow. Understanding Sleep … Read more
Part 1: Introduction to Cascading Windows in Windows 11 Introduction to Windows 11 Windows 11, the latest iteration of Microsoft’s renowned operating system, is not only a visually stunning update but also one that introduces a plethora of exciting, unique features. It carries forward the legacy of its predecessor with an emphasis on productivity and … Read more
Introduction to Bash Bash, or Bourne Again Shell, is a command interpreter and a well-admired Unix shell introduced by the GNU Project. Bash allows users to type text-based commands, which it interprets to perform a wide variety of tasks such as executing programs, manipulating files, and handling system operations. It’s popular due to its versatility … Read more
Understanding how to effectively install PostgreSQL on AWS EC2 Linux is a critical skill for database management in the cloud. AWS EC2 provides secure, resizable compute capacity, while PostgreSQL offers an advanced open-source database system. Mastering the installation process is the first step towards leveraging these powerful tools. Pre-requisites for Installing PostgreSQL on AWS EC2 … Read more
Part I: Understanding PostgreSQL and CPU Usage Introduction to PostgreSQL and High CPU Usage PostgreSQL, an open-source relational database system, is known for its robustness and advanced features. Yet, just like any other technology, it can encounter issues such as high CPU usage. High CPU usage occurs when processes and applications use more CPU power … Read more
PostgreSQL is a popular open-source relational database management system (RDBMS) known for its robustness and advanced features. One of these features is its ability to manage and manipulate indexes, which significantly contribute to database performance optimization. Database indexing, just like the index of a book, provides swift access to specific information in a database without … Read more
This article provides comprehensive information on how to delete all tables in PostgreSQL. Understanding PostgreSQL Tables PostgreSQL tables play a crucial role in storing data in organized and structured forms. Understanding how to manipulate these tables, including proper deletion, is integral to efficient database management. For a deeper dive into the basics of PostgreSQL tables, … Read more
Plex Media Server is a powerful software that lets you organize and stream your media collection across devices. It’s essential to regularly update Plex to ensure you’re benefiting from the latest features, improved performance, and crucial security patches. Preparing for the Update Before updating your Plex Media Server, there are a few things you should … Read more
Getting an API rate limited exceeded error? You came to the right place! An API serves as a communication channel between different software systems, enabling them to interact and share data. APIs are the backbone of modern applications, acting as connectors that stitch various components together, enhancing functionality and interoperability. APIs are crucial in today’s … Read more
TestRail is a comprehensive test case management tool designed for quality assurance teams. It offers an easy way to manage, track, and organize your testing efforts, boosting your team’s productivity. The TestRail API allows you to interact with TestRail’s functionalities programmatically. This interface provides the ability to add, update, or extract data from your TestRail … Read more
The Brave Browser, is a unique tool in the world of web browsers. Unlike most other browsers, Brave prioritizes privacy and security, protecting users from trackers and third-party advertisements. Additionally, Brave has a built-in system that rewards users with Basic Attention Tokens (BAT) for viewing privacy-respecting ads. What sets Brave even further apart is the … Read more