Email Authentication & Communication Infrastructure in Modern DevOps: The 2026 Definitive Guide
In the high-stakes world of modern DevOps, we spend our days (and sometimes our nights) obsessing over the “golden signals” of site reliability: latency, traffic, errors, and…
Bringing DevOps to Web Development: How CI/CD and Automation Reshape Digital Agencies
Web development teams live in two worlds. On one side, client expectations keep rising: faster launches, zero downtime, and the ability to update dozens of sites without…
Reliability Engineering SLO SLA SLI and the Mechanics of Error Budgets
Introduction Modern distributed environments require architectural frameworks that move beyond traditional uptime guarantees, particularly as rising cloud-native complexity forces software delivery pipelines to scale horizontally without degrading…
Complete Marp installation + command + examples guide
Marp is a Markdown presentation ecosystem. Marp CLI converts Marp/Marpit Markdown files into static HTML/CSS, PDF, PowerPoint/PPTX, and images. The official CLI docs also say Node.js v18+…
Complete practical Quarto installation + command guide
Quarto is an open-source technical publishing system built on Pandoc. It can create documents, websites, blogs, books, and slides, and supports authoring in Markdown-like .qmd files. It…
The Best Way to Create Slides for Educators: A High-Level Guide to Automated Course Slide Generation
Meta Description A complete high-level guide for educators, trainers, and course creators on how to automate slide creation using Markdown, templates, images, reusable content, and multi-format exports…
Quarto vs Marp: The Complete Educator’s Guide to Automated Slide Creation Using Markdown
Meta Description A complete tutorial comparing Quarto and Marp for educators, trainers, DevOps instructors, and course creators. Learn which tool to use for automated slides, PPTX, PDF,…
Strategic Reliability: Mastering Service Level Objectives in Modern DevOps
Introduction In the early days of IT operations, reliability was often reduced to a binary metric: was the system up or down? This rigid pursuit of “five-nines”…
OpenShift Lab 14: Setting Up and Using OpenShift Serverless Functions on OpenShift Local
Lab Objective In this lab, you will install and use OpenShift Serverless Functions on OpenShift Local. You will create a simple Node.js serverless function, deploy it to…
OpenShift Lab 13: Deploy a Java Spring Boot Application with MySQL Using the OpenShift Web Console
Lab Objective In this lab, you will deploy a Java Spring Boot application on OpenShift using the OpenShift web console. You will deploy two components: The Java…
OpenShift Lab 12: Deploy an Application from an Existing Container Image Using the OpenShift Web Console
Lab Objective In this lab, you will deploy an application on OpenShift from an existing container image. This lab is different from building an application from source…
OpenShift Tutorial – Basic Learning Workflow
How to install oc? OpenShift: How to Install OpenShift CLI oc How to login? Login to the Openshift using Web Console and CLI using oc Copy the admin…
OpenShift: How to Install OpenShift CLI oc
Option – 1 – REDHAT Websites URL – https://access.redhat.com/downloads/content/290/ver=4.18/rhel—9/4.18.11/x86_64/product-software Option – 2 – OKD Websites The OKD (Origin Community Distribution of Kubernetes for OpenShift) is the open-source…
OpenShift Lab 11: Build and Deploy an Application from Source Code Using the OpenShift Web Console
Lab Objective In this lab, you will build and deploy a web application from source code stored in a Git repository using the OpenShift web console. You…
OpenShift Lab 10: View Pod, Workload, and Namespace Performance Metrics Using the OpenShift Web Console
OpenShift Lab 10: View Pod, Workload, and Namespace Performance Metrics Using the OpenShift Web Console Updated lab flow One important update: Red Hat’s monitoring docs note that…
DevOps KPIs: A Guide to Engineering Growth
Introduction Engineering teams often prioritize speed, yet without clear, measurable indicators, growth frequently stalls amidst technical debt and reactive firefighting. To move from intuition to data-driven excellence,…
OpenShift Lab 9: Work with Databases in the OpenShift Web Console
Lab Goal In this lab, you will deploy a PostgreSQL database on OpenShift Local using the OpenShift web console. You will create the database using modern OpenShift…
OpenShift Lab 8: Work with Databases in OpenShift Using the oc CLI Tool
Lab Objective In this lab, you will deploy a PostgreSQL database in OpenShift using the oc CLI tool. You will learn how to: Important Concept A database…
Openshift: Lab 7 – Scale applications using the oc CLI tool
Lab 7 summary This lab teaches how to use the oc CLI to scale an OpenShift application up and down by changing the number of pod replicas…
Openshift: Lab 6 – Scale applications using the OpenShift web console
Lab 6 summary This lab teaches how to scale an OpenShift application up and down from the web console, specifically from the Topology view. The learner first…
Openshift: Lab 5 – Install an application from a source code using the oc CLI tool
Lab 5 summary This lab teaches how to use the oc CLI from your local machine to deploy an application into OpenShift Developer Sandbox from source code…
Openshift: Lab 4 – Install an application from a Linux container image using the oc CLI tool
What Lab 4 teaches Lab 4 teaches how to use the oc CLI tool from a local machine to deploy an application on a remote OpenShift cluster…
Openshift: Lab 3 – Install an application from a Linux container image repository using the OpenShift web console
What the lab teaches The lab teaches how to use the OpenShift web console to deploy an application directly from a public container image repository. It uses…
Openshift: Top OC Commands with Examples
0. First: audit your local oc Run this first on your machine: For any command: Use this style for labs: Most useful global patterns: Pattern Why use…
Openshift: Lab 2 – Install an application from source code in a GitHub repository using the OpenShift web console
What this lab teaches The lab teaches how to use the OpenShift web console to deploy an application directly from source code stored in GitHub. The example…
Openshift Labs & Assignment
Openshift: Lab 1 – Use the terminal window within the Red Hat OpenShift web console Openshift: Lab 2 – Install an application from source code in a…
Openshift Local: crc command lines guide with example
Most important daily commands Flow Commands First setup crc version → crc setup → crc start -p ~/Downloads/pull-secret.txt Start work crc start → crc status → crc…
Datadog Assignment & Project Master Plan
Target Audience This lab is suitable for: DevOps engineers, SREs, cloud engineers, platform engineers, application engineers, monitoring engineers, and students learning Datadog from practical implementation. Final Outcome…
Datadog Cloud SIEM: Complete End-to-End Master Guide
Current as of June 2026. Datadog Cloud SIEM is Datadog’s security information and event management product for collecting security telemetry, analyzing logs and events with detection rules,…
Datadog Agent Commands with Examples
Below is a Datadog Agent command cheat sheet in table format. I’m focusing only on Agent CLI / Agent service commands, with practical examples and explanations. The…