Top 5 AI tools to Generate Best Quality and impressive image
The top 5 AI tools for generating the best quality and most impressive images in 2025 are DALL-E 3, Midjourney, Leonardo AI, Adobe Firefly, and Google Imagen 3 (via Gemini/ImageFX)….
Read more »Ultimate macOS Guide: Flutter + Android SDK
It covers Android SDK, Java (JDK), Flutter, Path wiring, Plugin setup, Validation, AVD/emulator, and creating a project—plus quick fixes. Assumptions: default shell = zsh, Apple Silicon path (/opt/homebrew). If you’re…
Read more »Linux + MySQL/MariaDB: “Who’s eating CPU/RAM?
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…
Read more »App Performance Optimization – Complete Checklist
Area Sub‑Area Action Items 0) Readiness & Goals SLOs & Metrics Define business SLOs, Core Web Vitals, establish baselines, create dashboards, prepare test data Profiling Enable APM/Tracing, endpoint heatmaps, profilers,…
Read more »Complete Guide for Socket based vs TCP Based Application Connection
Here’s a clear, end-to-end tutorial you can keep handy. It explains what “socket-based” vs “TCP-based” really means, how to tell which one you’re using, and how to configure apps for…
Read more »keycloak: keycloak and kc.sh command – Complete Guide
Here’s a clean, up-to-date, “everything you need” CLI guide you can keep nearby. I’ll cover: I’m using Keycloak 26.x syntax (matches the 26.3.x you’re running). kc.sh — Keycloak server CLI…
Read more »keycloak: Installing keycloak with mysql (socket + TCP enabled)
To run Keycloak 17+ (Quarkus) with MySQL on the same server (XAMPP/LAMPP). It covers two supported setups. Pick A (TCP) for a production-style config, or B (UNIX socket) if you…
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Java Installation Guide in Linux & Windows
DOWNLOAD OPEN JDK & JRE JAVA PACKAGE FROM – https://jdk.java.net/archive/ Download and Install JDK/JRE 7 in Centos & RHEL Download and Install JDK/JRE 8 in Centos & RHEL Download and…
Read more »Best DevOps Tools in 2024
here’s a clear, structured breakdown of the Best DevOps Tools (grouped by categories), so you can use it for learning, training, or posts. 🚀 Best DevOps Tools in 2025 1….
Read more »Top 15 Best DevOps Tutorials in the World
These tutorials and channels provide a mix of free and paid content, catering to different levels of expertise and covering the entire spectrum of DevOps tools and practices. Introduction to…
Read more »Best DevOps Tools for Mac Users: A Comprehensive Guide
DevOps adoption improves IT and developer collaboration leading to faster delivery. Organizations use this strategy to improve software security, resolve issues quickly, and reduce errors. You need tools that seamlessly…
Read more »Kafka & Confluent Terminology – Complete Glossary
I’ll cover Apache Kafka core terms, Confluent Platform extensions, and Confluent Cloud additions. Kafka & Confluent Terminology – Complete Glossary 🔹 Core Kafka Concepts 🔹 Kafka Internals 🔹 Confluent-Specific Terms…
Read more »Hardware Requirement for Training Machine Learning AI Models
To train a machine learning or AI model, the hardware requirements depend heavily on the type of model, the dataset size, and whether you’re doing training from scratch or fine-tuning….
Read more »What is .github/CODEOWNERS
The file .github/CODEOWNERS is a special configuration file used by GitHub to define who is responsible for different parts of a repository’s codebase. Here’s a breakdown: 📌 Location 📌 Purpose…
Read more »Advanced Performance Engineering in .NET Course by DevOpsSchool
5 Days Program Advanced performance engineering in .NET: Category Tool(s) Why it’s the best (quick note) Code Profiling & Debugging Visual Studio Profiler, JetBrains dotTrace Deep CLR insights; VS built-in…
Read more »Advanced Performance Engineering for .NET programs and software
when we talk specifically about Advanced Performance Engineering for .NET programs and software, the toolset is a bit different from Java, Python, or C++ because of the CLR (Common Language…
Read more »Key Performance Engineering Tools for .NET Developers
Here are the advanced performance engineering tools commonly used by developers for .NET programs and software in 2025: Category Tool(s) Why it’s the best (quick note) Code Profiling & Debugging…
Read more »Kafka: Concept of Kafka Partition & Kafka Consumer & Kafka Consumer Group
let’s go step-by-step so Kafka partitions and consumer groups are crystal clear. 1. Kafka Partition Think of a Kafka topic as a folder and partitions as the individual files inside…
Read more »List of Best ITSM Tools in 2024
What is ITSM? IT service management (ITSM) is a framework for managing and delivering IT services. It is a set of processes and best practices that help organizations to improve…
Read more »Keyclock: A Identity & SSO tools
Keycloak: Identity & SSO Tool (IAM in one box) What it is Keycloak is an open-source Identity and Access Management (IAM) platform that provides Single Sign-On (SSO), user federation, identity…
Read more »Ansible: How to Work with Ansible Tower REST API (with Example)
Absolutely! Ansible Tower (now called Controller in AAP) has a robust, well-documented REST API. You can use it to automate everything you do via the web UI—launch jobs, manage inventories,…
Read more »Ansible Execution: Strategies, Delegation, Fact Caching, and Async Jobs
Below is a detailed Ansible tutorial covering execution strategies (linear vs free), task delegation, fact caching, and async jobs—with clear code examples, explanations, and a professional tutorial structure. 1. Understanding…
Read more »What is Ansible Collection?
What is Ansible Collection? Ansible Collections are a standardized packaging format for distributing Ansible content (roles, modules, plugins, playbooks, and documentation). Introduced in Ansible 2.9+, collections allow you to easily…
Read more »Ansible: step-by-step tutorial on Ansible Collections
Here’s a very detailed, step-by-step tutorial on Ansible Collections—covering what they are, why you need them, how to use them, how to create your own, and key best practices and…
Read more »Ansible: Unit Testing in Ansible?
What is Unit Testing in Ansible? Unit testing in Ansible refers to testing the smallest pieces of code within Ansible—primarily custom modules, plugins, or Ansible-related Python code—in isolation from the…
Read more »Ansible: All Ways to Define Variables in Ansible Inventory/Hosts
Here’s a comprehensive tutorial on all the ways to define and use variables in Ansible inventory/hosts, covering every major approach—including their best use cases and clear examples for each. Complete…
Read more »Ansible: Dynamic Ansible Inventory Script for AWS EC2 Public IPs
Below is a simple dynamic inventory Bash script for Ansible that queries all EC2 instances in your AWS account, gets their public IPs, and outputs a valid Ansible inventory.You just…
Read more »Ansible: Ansible Automation Platform (AAP) 2.5+ Installation & Configuration
How to download? Here’s a detailed and up-to-date conclusion for installing the latest Ansible Automation Platform (AAP) 2.5+ with the RPM/bundle installer—including the minimum requirements and what’s possible (and not)…
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Ansible Tower Install and Setup Quick Guide
To install Red Hat Ansible Tower 3.8.6 (using ansible-tower-setup-3.8.6-2.tar.gz), your environment must meet a set of hardware, software, and system prerequisites. Below are the summarized requirements specific to this Tower version and its…
Read more »Ansible: Complete Guide & Tutorial of Ansible Vault
Here is a very detailed and comprehensive tutorial on using Ansible Vault with practical, real-world examples for each subcommand. Ansible Vault Tutorial Ansible Vault is a powerful feature that allows…
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