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Fundamental Network ports every DevOps engineer must know - Part-2

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AWS EKS Traffic Flow in Production: Route 53 to Pods & RDS BreakdownIn production AWS EKS setups, Kubernetes excels at secure, scalable traffic handling for SaaS, fintech, and enterprise apps. This pdf shows a battle-tested pattern.Request Lifecycle:User Browser → Route 53: DNS resolves app domain to ALB, supporting health checks & failover.Public Subnet ALB: Single internet entry via IGW. Terminates TLS, routes by host/path via security groups & listener rules → NLB target groups.Private Subnet EKS Nodes: No public access. NAT Gateway for outbound (e.g., image pulls). NGINX Ingress → ClusterIP services → Pods.Pods → RDS: Internal private links only. DB subnet w/ no IGW; security groups allow pod traffic exclusively.Security Layers:NACLs (subnet stateless filters)Security Groups (stateful, per resource)K8s Network Policies (pod-level)Defense-in-depth minimizes blast radius. Add observability for true resilience.This setup ensures isolation, scalability & ops confidence—no direct node internet, controlled routing everywhere.

The recorded session of the webinar - Linux basics for DevOps is now available in our YouTube channel. Those who missed the webinar can checkout here -
https://youtu.be/3rT6ttylKc0?si=HTntrT_LdgmHiEz7

Free Live Webinar on Linux Basics for DevOps Engineers.
Register now ✅

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This post features 10 essential tips from a DevOps engineer with a decade of hands-on experience, offering real-world guidance. Designed for both new and seasoned professionals, these insights highlight practical strategies and hard-earned lessons to accelerate your DevOps career and deliver high-impact results in modern IT environments

https://www.instagram.com/p/DNanbsBN6xg/?igsh=YmdhMm8xc2ZyaWE0

Top 5 Scenario-Based Terraform Questions & Answers part-2️⃣

Ace Your DevOps Interview! 💡 Here are the Top 5 Scenario-Based Terraform Questions & Answers to Power Up Your Preparation.

We are pleased to announce that the recording of our "Kickstart AI with AWS" webinar, hosted by DevOps Career Hub, is now available on our YouTube channel. Led by expert instructor Tayala Rajan, this comprehensive session is designed for beginners seeking to build a career in Artificial Intelligence using AWS services.
Watch This Webinar to Advance Your Expertise in Cloud Computing and Artificial Intelligence


https://youtu.be/ZarZ8oXza8U

Here is the most awaited video most of you asked - DevOps Roadmap 2025
Ready to take your career to the next level?
In this video, we break down the DevOps Roadmap from foundational skills to advanced.
Whether you’re just starting out or looking to upskill,
Follow this step-by-step path to master the most in-demand tools and practices.

https://youtu.be/TA78nhnmu_s

From simple exposure to smart routing: 🔁 Understanding Load Balancer and Ingress in Kubernetes. ☸️ Learn the essentials from this post.