May 2025Monthly Archives

What is GraphQL? Why We Use GraphQL? Queries vs. Mutations: What’s the Difference? Queries: Mutation: Key difference: GraphQL API Development Flow 1. Model (MongoDB Schema) Example code: 2. Schema(GraphQL Type Definitions) Example code: 3. Resolver(Logic to Handle Requests) Example code: 4. Integrate into Server(Apollo Server Setup) 5. Update Constants: GraphQL… Continue Reading Simple Guide to GraphQL API Flow

Introduction:Creating a read-only user on an Ubuntu server is useful for allowing access to specific files or directories without permitting modifications. This can enhance security by restricting user permissions to view-only access. This guide will walk you through the steps to create a read-only user on an Ubuntu server. Prerequisites:1.… Continue Reading How do I create a read-only user on an Ubuntu server?

If you’re building a website with WordPress, widgets and plugins can help you add powerful features without needing to code. In this blog, we’ll explain what they are and recommend some of the most useful ones to get started! What are Widgets? Widgets are small content blocks that you can place in specific areas of… Continue Reading Must-Have WordPress Widgets and Plugins for Your Website

Introduction: Metricbeat is a lightweight shipper for collecting and forwarding system and service metrics to Elasticsearch, Logstash, or another data processor. It periodically collects data from configured metric sets and sends it to a specified output. Prerequisite:1. Need Elastic search, Logstash and Kibana preconfigured server.2. Allow the required port to… Continue Reading Install metric beat and configure for CPU, disk and memory monitoring in ELK.

Introduction: Docker is a powerful tool that lets you package and run applications in lightweight, portable containers. Instead of installing software directly on your system, Docker lets you run everything in isolated environments—so it’s cleaner, faster, and works the same on any machine. Whether you’re building apps, testing code, or… Continue Reading Simple Steps to Install Docker on Ubuntu

Introduction Managing multiple PHP versions is essential for developers who work on different projects requiring different PHP versions. Ubuntu provides a way to install and switch between multiple PHP versions using the APT package manager and the update-alternatives command. This guide will help you list, install, and switch between PHP… Continue Reading Managing Multiple PHP Versions on Ubuntu Using APT

Introduction: Backing up Docker containers is critical for ensuring business continuity, especially in production environments. But unlike traditional applications, Docker containers are ephemeral by design. In this guide. Step 1: First, list all running containers. docker ps -a Step 2: Use the docker export command to save the container’s entire… Continue Reading How to Take a Backup and restore of a Docker Container?