Author: Rahul

Are you eagerly waiting for the release of Ubuntu 24.04 LTS? Codenamed Noble Numbat, this highly anticipated Long-Term Support (LTS) version is released on April 25, 2024. In preparation for this milestone, let’s delve into everything you need to know about downloading and installing Ubuntu 24.04 LTS. Why Ubuntu 24.04 LTS? Ubuntu 24.04 LTS is the latest iteration of the renowned Ubuntu operating system, renowned for its stability, security, and long-term support. As an LTS release, Ubuntu 24.04 will receive essential updates and security patches for an extended period, making it an ideal choice for both personal and enterprise use.…

Deploying .NET Core applications on Linux servers marks a significant shift from the traditional Microsoft-centric deployment platforms. The cross-platform nature of .NET Core allows developers to enjoy the performance, reliability, and security of Linux environments. This guide provides a comprehensive overview of deploying .NET Core applications across various Linux distributions, focusing on using Nginx or Apache as a reverse proxy and securing deployments with SSL. Prerequisites Before diving into the deployment process, ensure you have: A .NET Core application ready for deployment. A Linux server (Ubuntu, CentOS, or any preferred distribution). Basic knowledge of the Linux command line. Step 1:…

In the evolving landscape of software development and deployment, the combination of .NET Core and Linux has emerged as a powerful duo, offering developers a flexible, high-performance platform for building and running applications. One of the key aspects of deploying .NET Core applications on Linux is leveraging systemd services to ensure that applications run smoothly, start automatically on boot, and restart after failure. This comprehensive guide aims to demystify the process of using systemd services with .NET Core on Linux, covering everything from the basics to more advanced topics. Introduction to Systemd and .NET Core Systemd is the init system…

Laravel is a robust, feature-rich PHP framework used for creating high-quality web applications. It simplifies tasks like routing, authentication, caching, and sessions, making it a popular choice for developers worldwide. If you are using Ubuntu 22.04 and planning to set up Laravel, this comprehensive guide is all you need. Before we start, make sure that you have administrative access to an Ubuntu 22.04 system. Step 1: System Update Before installing any new packages, it’s recommended to update your Ubuntu system. Open a terminal window and type: sudo apt update sudo apt upgrade Step 2: Install PHP Laravel requires PHP to…

Maven is a powerful project management tool that streamlines the build process for Java projects. It manages project builds, dependencies, and documentation from a central piece of information. If you’re new to Maven, this guide will help you set up your first Java project using Maven. Follow these steps to get started. Prerequisites Before you begin, ensure you have the following installed on your system: JDK (Java Development Kit) 1.8 or above Apache Maven 3.6.3 or newer You can verify the installations by running java -version and mvn -version in your terminal or command prompt. Step 1: Generate Project Structure…

Kubernetes is great for managing containers, making it easy for developers to deploy and scale applications. For example, you can use Kubernetes to run a website that can handle lots of traffic, manage a big data processing system, or deploy microservices. But setting up a Kubernetes cluster can be tricky, with many steps and settings. This is where Ansible helps. Ansible is a tool that automates the setup process, making it much easier to create a Kubernetes cluster. In this guide, we’ll show you how to build a Kubernetes cluster using Ansible. We assume that all nodes in the Kubernetes…

In bash scripting, generating file or folder names with current date and time stamps is a widely used technique for creating unique identifiers. This approach is invaluable for tasks such as logging, automated backups, and ensuring new files do not overwrite existing data. By leveraging the Linux date command, you can format date and time in various ways to suit your specific needs. This article will explore how to effectively use date and time-based naming in your bash scripts, providing practical examples to guide you through the process. Understanding Date Command The date command in Linux is versatile and can…

In today’s IT infrastructure, ensuring that servers operate within their capacity limits is crucial for maintaining system health and performance. One of the key aspects of server management is memory utilization monitoring. High memory usage can lead to slower application response times, system instability, or even crashes. To address this, we introduce an efficient memory monitoring solution: a Bash script designed to trigger threshold alerts, seamlessly integrating with Nagios, a widely used monitoring tool. This script (https://github.com/tecrahul/nagios-plugins/blob/main/check_memory.sh) is a testament to the power of open-source collaboration. Inspired by the work available on our GitHub, this article expands upon the script’s…

Spring Boot is a powerful framework that simplifies the development of new Spring applications through sensible defaults. One of its many features is the embedded server that comes pre-configured, allowing developers to run applications out of the box. However, there might be situations where the default server port (usually 8080) conflicts with other applications or does not meet specific deployment requirements. This guide will walk you through the process of changing the default port in a Spring Boot application, ensuring your application runs smoothly on your desired port. Spring Boot’s Default Port Before diving into the customization, it’s essential to…

In terms of IT automation, Ansible stands out for its simplicity, versatility, and powerful capabilities. As organizations strive for efficiency and seamless IT operations, understanding the architecture of Ansible becomes crucial. This article dives deep into the core components, workflows, and architectural nuances of Ansible, providing a comprehensive guide to its architecture. Introduction to Ansible Ansible is an open-source automation tool that automates software provisioning, configuration management, and application deployment. Developed by Michael DeHaan and acquired by Red Hat in 2015, it has grown to become one of the most popular automation tools, thanks to its agentless architecture, simplicity in…