Terraform: Checklist: What to Check When Renaming HCP Terraform Organization
That summary is exactly right—and the impact is important to understand before proceeding. Here’s a complete impact checklist and guidance for what you need to check/update if…
Automotive SPICE (ASPICE): Comprehensive End-to-End Tutorial
Introduction to ASPICE What is Automotive SPICE? Automotive SPICE (ASPICE) is a process assessment model specifically tailored for the automotive industry, focusing on the development of embedded…
XAMPP – LAMPP Tutorials: List of Production Files to Cleanup Guide
Here’s a comprehensive and updated tutorial on which files should be cleaned up regularly in a production environment running XAMPP (under /opt/lampp), what each file/folder is, and…
Pricing Comparison: Tanla Platform vs Route Mobile vs Twilio
Pricing Comparison: Tanla Platform vs Route Mobile vs Twilio Below is a comparative overview of charges for SMS/OTP, WhatsApp messages, and Email across Tanla Platform, Route Mobile,…
Leading SMS & WhatsApp Messaging Providers in India
Here’s an up-to-date, detailed list of leading SMS & WhatsApp Messaging Providers in India and globally, along with some insights on their strengths, features, and use-cases. This…
To check if your Windows machine has any scripts (or programs) running at boot/startup
To check if your Windows machine has any scripts (or programs) running at boot/startup, you need to look in several locations. Windows supports multiple mechanisms for startup…
AWS Tutorials: VPC Lattice User Guide
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Backstage: The Ultimate Internal Developer Portal – Comprehensive Tutorial
Here is a detailed, professional-quality tutorial on Backstage. This guide is comprehensive but clear, designed for everyone from beginners to experienced platform engineers. It covers all the…
The Complete Ansible Tutorial: Concepts, Architecture, Playbooks, and Real-World Examples
Here is a comprehensive, professional-quality Ansible tutorial based on your notes, structured as a long-form guide. Every topic, term, and example is included, with deep explanations and…
Docker Tutorials: Docker Image – Understanding Dockerfiles instructions & options
Here’s a step-by-step tutorial for Dockerfile, including explanations and examples for each major command. Dockerfile Tutorial A Dockerfile is a text file containing instructions to build a…
Docker Tutorials: Docker Image – Example and Sample Programs of Dockerfile
Reference Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have…
Docker Tutorials: Installation and Configurations
Docker Installation in Centos/RHEL Method -1: How to install Docker Community Edition via YUM? Step 1 – Install required packages. yum-utils provides the yum-config-manager utility, and device-mapper-persistent-data…
Openshift: How to configure Azure openshift ARO with Custom Domain
Step-by-Step Guide: Configuring Azure Red Hat OpenShift (ARO) with a Custom Domain Setting up a custom domain for your ARO cluster involves both Azure and DNS provider…
Openshift: How to add Helm Repository in Openshift
Adding a Helm repository in OpenShift is a common step to manage and deploy Helm charts in your OpenShift cluster. OpenShift supports Helm CLI out of the…
Openshift: Lab 1 – Use the terminal window within the Red Hat OpenShift web console
In this lesson, you will learn how to access the terminal window within the Red Hat OpenShift web console and use it to work with various OpenShift…
How to Streamline Financial Operations for Business Growth
Efficient financial operations are essential to running and scaling a successful business. Managing cash flow, forecasting budgets, and simplifying transactions are all critical areas where improved systems…
Complete List of Methods to Deploy Kubernetes
There are many ways to deploy Kubernetes, depending on your needs (learning, production, cloud-native, on-premises, bare metal, multi-cloud, etc). Here’s a structured list of the main ways…
List of Popular Light Apps for Schedule Appointment and Calendar Management Online Websites
Based on comprehensive research, here’s a curated list of the most popular and lightweight appointment scheduling and calendar management applications and websites in 2026: Free and Light…
Docker Tutorials: How to Install Docker in Ubuntu?
Install Docker Engine in Ubuntu NOTE – All commands you must run as root user or add a current user into a linux group name called “docker”…
How to Login to Linux Server using Putty?
Download Putty Source – https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html Direct Link of Putty – https://the.earth.li/~sgtatham/putty/latest/w64/putty.exe Open Putty and Add IP address & using Password Open Putty and Add IP address and…
Kubernetes: Deploying AWS Load Balancer Controller with Terraform
Absolutely, deploying the AWS Load Balancer Controller (ALB Controller) in production via Terraform is now a very common, robust, and recommended practice. There are official Terraform modules…
Difference between AWS Load Balancer Controller Vs Kubernetes Gateway API Controller for AWS VPC Lattice
AWS Load Balancer Controller vs Kubernetes Gateway API Controller for AWS VPC Lattice Overview Table Feature AWS Load Balancer Controller Kubernetes Gateway API Controller for VPC Lattice…
Google Vertex AI API
Google Vertex AI API is the main cloud API provided by Google Cloud for building, deploying, and managing machine learning (ML) and generative AI models at scale….
Database Backup & Recovery Plan – A Complete Guide
I’ll give you a full, all-in-one guide for production-grade MySQL (and general relational DB) backups that covers: This will be relevant for MySQL/MariaDB primarily, but the approaches…
Helmsman Tutorial: From Beginner to Advanced
1. Introduction to Helmsman What is Helmsman? Helmsman is an open-source tool that lets you declare and manage Helm chart deployments as code, using a simple Desired…
Helmfile Tutorial: From Beginner to Advanced
1. Introduction to Helmfile What is Helmfile? Helmfile is an open-source tool that lets you declare, manage, and deploy multiple Helm charts as a unified, version-controlled “desired…
Helmwave Tutorial: From Beginner to Advanced
1. Introduction to Helmwave and Its Core Concepts Helmwave is a modern tool for orchestrating complex Helm deployments, enabling you to manage, templatize, and execute multiple Helm…
Helmfile vs Helmsman vs Helmwave: Comparing Kubernetes Release Management & Templating
All three are popular open-source tools for managing Helm charts and complex Kubernetes deployments, but they each have different approaches and features. Here’s a clear, practical overview:…
Kubernetes Troubleshooting: Pods in Pending – Causes & Fixes
Below is a complete, production-grade list of all common reasons why a Kubernetes pod stays in Pending state, along with detailed solutions, commands, and how to verify…
Kubernetes Service Example Programs
Here’s a complete YAML file that contains three Deployments and their corresponding Services: Each container runs on port 80. ✅ Full Kubernetes YAML (deployment-and-services.yaml) 🚀 Usage To…