Subeesh Sivanandan

Hands‑On Tutorial: Automating Kubernetes Deployments with Helm & GitOps

1. Why GitOps? Single Source of TruthStore both your application code and cluster manifests in Git. Every change is versioned, auditable, and the ground truth for your infrastructure. Continuous ReconciliationGitOps controllers (e.g., Argo CD, Flux) watch your repos and automatically sync any updates to the live cluster—no manual kubectl commands required. Self‑healingIf someone “drifts” the cluster […]

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How to Measure the ROI of Your DevSecOps (and DevOps/CI/CD) Automation Efforts

Measuring return on investment (ROI) for automation from DevOps and CI/CD through DevSecOps is key to securing budget, guiding strategy, and proving value to all stakeholders. ROI answers one simple question: “For every dollar we spend, how many dollars do we get back?” ROI (%) = (Total Gains – Total Costs) ÷ Total Costs ×

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Bridging the Gap: How DevSecOps Elevates DevOps

In today’s fast-paced software landscape, speed and agility are no longer trade‑offs against security and compliance. Organizations embracing DevOps have unlocked rapid delivery and streamlined operations—but without a security‑first mindset, they risk exposing critical vulnerabilities. Enter DevSecOps: the strategic evolution that embeds robust security practices into every phase of the DevOps lifecycle. What Is DevOps?

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Top 10 DevOps & SRE Metrics That Actually Matters

“You can’t improve what you don’t measure.” – Peter Drucker If DevOps were a Formula 1 race, metrics would be your dashboard.   Speed, safety, coordination – everything depends on what you track. However, in today’s ever-evolving engineering landscape, where DevOps, CI/CD, Security, and SRE disciplines intersect, the number of potential metrics can get… overwhelming. So,

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Why Upgrading Jenkins is Crucial (And How to Do It Right)

🚀 Why Should You Upgrade Jenkins? Imagine using a smartphone from 2015—slow, outdated, and vulnerable to security threats. Now, think of Jenkins as your software delivery smartphone. Regular upgrades keep it fast, secure, and packed with the latest features. Yet, many teams hesitate to upgrade, fearing downtime or compatibility issues. Let’s break down why upgrading

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Why Should Anyone Be Led by You? A Guide for Managers and Technical Leaders

In the world of technology, DevOps, and engineering leadership, success isn’t just about technical expertise—it’s about how well you lead people through challenges. Leader means everyone who takes up the charge. You do not need a title to be a leader! This article explores what makes great leaders stand out and how these principles apply

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