Introduction to Shell Script Arguments Shell script arguments are a powerful way to make your scripts flexible, reusable, and interactive. These arguments allow you to pass data or instructions directly to the script from the command line, eliminating the need for hardcoding values or relying on user prompts during execution. One of the main advantages … Read more
Performance monitoring and optimization are crucial aspects of managing a PostgreSQL database effectively. One powerful tool in your arsenal is performance logging, which allows you to collect detailed information about the database’s internal processes and query execution. In this blog post, we will explore the steps to enable performance logging for PostgreSQL, providing you with … Read more
PostgreSQL is a rock-solid, open-source database system that’s a favorite among developers. If you’re working on Ubuntu, knowing how to start and manage the PostgreSQL server is a must for keeping your projects on track. This guide will walk you through everything you need to know, from starting the server to troubleshooting common issues. By … Read more
PostgreSQL replication is a method of copying and maintaining database objects, such as schemas and tables, in multiple database systems distributed across different locations. This article will guide you through the steps to set up and enable data replication for PostgreSQL on Ubuntu. Types of PostgreSQL Data Replication PostgreSQL data replication refers to the process … Read more
This article will explain what is a Java memory leak and suggest tools for detection. Memory leaks can cause a Java program to run slowly or crash altogether. Detecting memory leaks in Java can be a challenging task, especially if you don’t have the right tools and techniques at your disposal. In this blog post, … Read more
You will learn how to manage dependencies during RPM installation on Linux servers such as CentOS, RHEL, Fedora, and Ubuntu. We’ll provide step-by-step instructions on how to properly handle dependency issues and solve common issues. Whether you build your own RPM or use third-party, we’ll cover it in this guide. About RPM and Dependencies Each … Read more
RPM Package Manager, commonly known as RPM, is a versatile open-source package management tool that provides a simple way to build, install, verify, update, and uninstall software packages. This article guides you through the steps to build an RPM package on various Linux distributions: Ubuntu, CentOS, Fedora, and Red Hat Enterprise Linux (RHEL). Before proceeding, … Read more
Introduction to Cassandra Compaction Strategies In Apache Cassandra, compaction is one of the most critical processes for maintaining database performance and efficiency. It’s the system’s way of merging and reorganizing SSTables (Sorted String Tables) to reduce redundancy, optimize disk space usage, and ensure fast read and write operations. Without proper compaction, the database could suffer … Read more
Apache Cassandra is a super powerful NoSQL database that’s designed to handle massive amounts of data spread across multiple servers. It’s the go-to choice for many modern applications that need high scalability and performance. But here’s the deal: to truly unlock Cassandra’s potential, you need to nail the data modeling part. Unlike traditional databases, Cassandra … Read more
Enhancing Cassandra’s read performance reduces latency and improves efficiency. Before exploring optimization strategies, let’s first examine how Cassandra performs with reads versus writes and typical latency expectations. Is Cassandra Read or Write Optimized? Cassandra is primarily write-optimized. Its architecture excels at handling high write throughput while ensuring durability and scalability. Data is distributed across nodes … Read more
Apache Kafka is a popular choice for handling large volumes of data in real-time. By default, Kafka keeps data for seven days. This is controlled by the log.retention.hours setting, which is set to 168 hours (7 days x 24 hours). While this works for many use cases, you might need to retain data for longer … Read more
This article will explore focus on how to PostgreSQL reset statistics using the pg_stat_reset command. We will discuss what this command does, when and why to use it, and the impact it has on your PostgreSQL database. Efficiency is important, so check out this article on how to reload config using pg_ctl without restarting the … Read more
This file controls client authentication, and its modifications won’t take effect until you reload pg_hba.conf. In this comprehensive guide, we’ll answer the top ten questions about reloading the pg_hba.conf file. What is the command to reload the pg_hba.conf file in PostgreSQL? The command to reload pg_hba.conf file in PostgreSQL is fairly simple. Use the following … Read more
If you are a Linux user, understanding how to append files in Linux is an essential skill that will undoubtedly prove useful in various scenarios. The term ‘append’ in computing means to add or attach something at the end. In Linux, it specifically refers to adding data to the end of a file. This article … Read more
In this post, we will explore what tombstones are, why they can negatively affect Cassandra performance, and how to avoid them. Apache Cassandra is a highly scalable and distributed NoSQL database that uses a unique data model designed to handle large amounts of data across many commodity servers, with high availability and fault tolerance. However, … Read more
This article will get you started on creating a Laravel CI/CD pipeline in Jenkins. There are tremendous productivity gains to implement CI/CD in Laravel. In case you missed it, be sure to read our post on setting up Laravel project in MacOS Docker. Step 1: Install Jenkins Before we can start building Laravel projects in … Read more
In software development, code coverage refers to the percentage of code that is covered by automated tests. Code coverage is a critical metric for determining the effectiveness of your testing strategy. SonarQube is a popular open-source platform for continuous code quality inspection that can help you keep track of your code coverage. In this blog … Read more
Hash tables are a core data structure in computer science, used to create dictionaries, associative arrays, and sets. In Java, the two main hash table implementations are HashMap and HashTable. While they share similar functionality, they differ in performance, thread-safety, and flexibility. This article highlights the key functional and performance differences between Java’s HashMap and … Read more
If you’re in the market for a new phone, Google’s Pixel 7 and Pixel 7 Pro are two of the hottest contenders. These devices showcase Google’s commitment to delivering top-notch hardware paired with its powerful software. But what sets them apart, and which one is right for you? In this article, we’ll break down the … Read more
If you’re a Laravel developer using macOS Ventura, setting up Docker can make your workflow smoother, more portable, and consistent. Docker provides a containerized environment that eliminates “it works on my machine” issues and makes sharing your development setup simple. This guide walks you through setting up Laravel on Docker, with clear instructions and compatible … Read more
We’ve all been there—stuck with a PDF that needs some serious editing, but you can’t make changes without jumping through hoops. That’s where a free PDF to Word converter saves the day. These tools turn those locked-up PDFs into editable Word documents, so you can tweak and update without the frustration. The best part? You … Read more
Your smartphone is your constant companion—whether for work, play, or staying connected with loved ones. But have you thought about how well it’s shielded from the hazards of daily life? Phones are expensive and fragile, and investing in a highly durable case can save you from costly repairs or replacements. Below are nine signs it’s … Read more
If you’re thinking about upgrading, smartphones powered by the Snapdragon 820 processor offer some incredible new features. Qualcomm has packed this chip with advancements that improve speed, connectivity, and overall performance. Let’s explore the highlights. 1. Smarter Object Recognition The Snapdragon 820 makes your smartphone camera smarter. It recognizes objects and entire scenes in real … Read more
I didn’t like managing all of my website’s CRON jobs via CPanel because I couldn’t easily see what my jobs were and when they will run next. So I decided to manage the CRON in my applications database and with a simple PHP script. You will need to only create 1 CRON job in Cpanel … Read more
You are obviously here because you want learn how to configure your Cpanel/WHM managed domain to use SendGrid’s SMTP mail servers. Just follow these easy steps and you will be on your way in no time. Voila! That’s all there is to it!