Laravel: Complete Guide of Laravel Passport
Here’s a comprehensive, up-to-date step-by-step tutorial for setting up and using Laravel Passport (OAuth2 API authentication) with clear explanations, working code samples, and troubleshooting tips—suitable for local…
Laravel: What is APP_KEY in Laravel?
Let’s break down both what APP_KEY is in a Laravel .env file, why it matters, and its use cases. I’ll also explain how it’s generated and what…
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 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…
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 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…
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: Lab 10 – View performance information using the OpenShift web console
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…
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 9 – Work with databases in the OpenShift web console
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…
Openshift: Lab 8 – Work with databases in OpenShift using the oc CLI tool
In this lesson, you will learn how to create an instance of a database in the Developer Sandbox using the oc CLI tool, and ultimately bind a Node.js application to that database. What…
Openshift: Lab 7 – Scale applications using the oc CLI tool
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…
Openshift: Lab 6 – Scale applications using the OpenShift web console
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…
Openshift: Lab 5 – Install an application from a source code using the oc CLI tool
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…
Openshift: Lab 4 – Install an application from a Linux container image using the oc CLI tool
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…
Openshift: Lab 3 – Install an application from a Linux container image repository using the OpenShift web console
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…
Openshift: Lab 2 – Install an application from source code in a GitHub repository using the OpenShift web console
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…
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…
Openshift: Lab 14 – Setting up and using OpenShift Serverless Functions
Manual – https://docs.redhat.com/en/documentation/red_hat_openshift_serverless/1.30/html/functions/index OpenShift Serverless Function is a feature of Red Hat OpenShift that enables you to build, deploy, and manage event-driven serverless workloads using the Function-as-a-Service…
Openshift: Top oc Commands
Absolutely! Here’s a comprehensive list of the Top 100 most frequently used oc (OpenShift CLI) commands, with a quick explanation for each. This will help you navigate…
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…
Openshift: Lab 12 – Build your application from a container image
In this lesson, you will: Build the application from a container image To build your application from a container image, switch to the Developer view in your OpenShift dashboard…