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Sagar Kakkala's World

Welcome to Sagar Kakkala's World, your go-to destination for learning DevOps and mastering personal finance. Dive into topics like Kubernetes, GitOps, investment tips, and insurance planning. Whether you're advancing your career or securing your financial future, we simplify complex ideas for your growth. To explore specific topics, click on "Contents of Blog" to navigate directly to the content of your choice.

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AIOPS/MLOPS | Why Fine-Tuning and How to Fine-Tune a Model using OpenAI | Sagar Kakkala´s World

August 08, 2025

AIOPS/MLOPS | Introduction to AI | Sagar Kakkala´s World

August 01, 2025

Enforce Kubernetes Policies Easily with Kyverno

Udemy- How to Deploy React Application Manually. | CI/CD Tools & Real-World DevOps with Sagar Kakkala

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Add-on Session | DevSecOps | OWASP ZAP | Sagar Kakkala´s World

Maintenance Page Session | DevOps with Sagar Kakkala | Sagar Kakkala's World

January 29, 2025

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AIOPS/MLOPS | Introduction to AI | Sagar Kakkala´s World

🔍 Understanding AI, Machine Learning, Deep Learning, and Generative AI Artificial Intelligence (AI) is reshaping the way we live, work, and interact with technology. From voice assistants to intelligent image generation tools, AI is the invisible force behind many of today’s digital innovations. 🧠 AI, Machine Learning & Deep Learning – What’s the Difference? 🤖 Artificial Intelligence (AI) AI refers to machines or systems that mimic human intelligence. This includes learning, reasoning, problem-solving, perception, and language understanding. 📊 Machine Learning (ML) Machine Learning is a subset of AI . It enables machines to learn from data and improve their performance over time without being explicitly programmed. Types of Machine Learning: Supervised Learning: Trained on labeled data. Example : You show the model many images of animals, each labeled (e.g., "Cat", "Dog"). If you show a picture of a Cat , labeled as "Cat"...

Add-on Session | DevSecOps | OWASP ZAP | Sagar Kakkala´s World

OWASP ZAP (Zed Attack Proxy) OWASP ZAP is a popular open-source web application security scanner developed by the Open Web Application Security Project (OWASP). You can think of ZAP more like a middle-man attack simulator. It attacks websites just like how a hacker would and informs us of vulnerabilities before our website goes live. This makes the site more secure and trustworthy. ZAP is widely used due to its powerful vulnerability scanning capabilities. Before we dive into how OWASP ZAP works, let’s understand some common vulnerabilities using real-time examples: ⚠️ Caution: Do not scan unknown or third-party websites without the owner's explicit consent. Since ZAP actively tests for vulnerabilities (similar to how attackers operate), using it without permission may result in legal consequences. 🧨 SQL Injection (SQLi) What it is: SQL Injection allows attackers to manipulate SQL queries by injecting malicious input, potentially g...

Enforce Kubernetes Policies Easily with Kyverno

Enforce Kubernetes Policies Easily with Kyverno Kubernetes natively validates resource manifests like deployments to ensure they are syntactically correct. For example, if you try to create a deployment with a syntax error in your deployment.yaml , Kubernetes will reject it. However, once syntax is correct, Kubernetes doesn’t prevent you from deploying applications into the wrong namespace or without proper labels — things that can break your app connectivity or organizational standards. This is where Kyverno comes in. Kyverno is a powerful Kubernetes policy engine that helps enforce policies and best practices across your cluster — validating, mutating, and generating resources automatically. Why Kyverno? Imagine these scenarios: What if an application gets deployed into the wrong namespace? What if a deployment is missing essential labels to connect to a service? What if your organization requires strict policies but you can’t manually monitor all de...

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