HashiCorp Vault: Step-by-Step Tutorial: Vault CLI on Linux — KV Secrets, Userpass Auth, Policy, and CRUD
This lab uses Vault CLI on Linux and demonstrates the full flow: Vault’s kv command works with both KV v1 and KV v2, but for KV v2…
Low-Level Authentication Flow Design for Student, Trainer, and Consultant Services Using Keycloak
Yes — the clean low-level flow should use Keycloak as the central Identity Provider, and Student / Trainer / Consultant services should never handle passwords directly. Recommended…
How to Use Two GitHub Accounts on One Mac with Different SSH Keys
Managing two GitHub accounts on the same Mac is very common. For example, you may have: The problem starts when both accounts use GitHub SSH URLs like…
Github: GitHub CLI gh — Install, Authenticate, and Use GitHub from the Terminal
1. What is gh? gh is the official GitHub command-line interface. It brings GitHub features such as repositories, pull requests, issues, GitHub Actions, Codespaces, releases, secrets, variables,…
MacOS: What is Homebrew and How to work with it?
1. What is Homebrew? Homebrew is a package manager for macOS. Simple meaning: Homebrew helps you install, update, remove, and manage software from the terminal. Example: Without…
MacOS: Step-by-Step Tutorial: Install PHP, Apache, and MySQL on macOS using Homebrew
This guide installs a clean local development stack on macOS using: Homebrew installs packages cleanly under its own directory and symlinks them into the Homebrew prefix, usually…
Datadog: Application Error Tracking in EKS using Datadog, DogStatsD, APM, Logs, and Error Tracking
Master Guide: Application Error Tracking in EKS using Datadog, DogStatsD, APM, Logs, and Error Tracking First, tiny naming correction: it is DogStatsD, not DogStashD. DogStatsD is Datadog’s…
MongoDB – Complete End-to-End MongoDB Tutorial Blog: From Basics to Advanced
MongoDB is a NoSQL document database. Instead of storing data in rows and columns like a relational database, MongoDB stores data as documents inside collections. These documents…
Master Guide: External Secrets Operator in Kubernetes
1. Why secret management matters in Kubernetes Most applications need sensitive values: In Kubernetes, the native object for this is a Secret. Example: At first glance, this…
Oracle Cloud Guard Tutorial: Architecture, Pricing, Use Cases, and Hands-On Guide for Security, Identity, and Compliance
Security, Identity, and Compliance
Oracle Cloud Certificates Tutorial: Architecture, Pricing, Use Cases, and Hands-On Guide for Security, Identity, and Compliance
Security, Identity, and Compliance
Oracle Cloud Bastion Tutorial: Architecture, Pricing, Use Cases, and Hands-On Guide for Security, Identity, and Compliance
Security, Identity, and Compliance