DevOps & Cloud (AWS, AZURE, GCP) Tech Free Learning

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🚀 Ace Your DevOps Interviews Like a Pro! 💡 🔥 Struggling with DevOps, Cloud, or SRE interviews? Want to crack real-world scenario-based questions asked by top companies? I've got the perfect resource for you! 💾 Star & Explore Now: 📱 GitHub Repo: https://github.com/NotHarshhaa/DevOps-Interview-Questions 💻 Introducing: The Ultimate DevOps Interview Guide – 550+ handpicked questions with expert answers, covering everything you need to succeed! 📚 ✨ What’s Inside? ✅ DevOps Core Concepts – CI/CD, Automation, IaC ✅ Cloud Technologies – AWS, Azure, GCP, OpenStack ✅ Containers & Orchestration – Docker, Kubernetes, Helm ✅ CI/CD & Automation – Jenkins, GitHub Actions, ArgoCD ✅ Monitoring & Logging – Prometheus, Grafana, ELK Stack ✅ Security & Networking – IAM, Firewalls, Load Balancers ✅ Scripting & Infrastructure as Code – Ansible, Terraform, Bash, Python ✅ 🔥 Bonus: Downloadable PDFs, Docs, Cheat Sheets & Mock Interview Scenarios 🎯 Whether you're a beginner or an experienced engineer, this repository is packed with insights to help you crack any DevOps interview with confidence! 🚀 📌 🔥 Master DevOps Interviews & Secure Your Dream Job! 🔥 📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🔄 Good news: No more creating NAT Gateways per AZ ⏸ Bad news: You still pay the same 🎄 How AWS ruined pre-re:Invent Christmas Regional NAT Gateways have finally arrived—something everyone has been begging for. Before this, setting up NAT Gateways, subnets, and route tables per AZ was annoying, repetitive, and expensive. Now? You just create one NAT Gateway, mark it Regional, and point your subnets to it. No subnet requirement, no AZ juggling. AWS handles the magic behind the scenes. But here’s the catch: It auto-expands across all AZs… which means you still pay per AZ. So the #1 complaint—NAT Gateway costs—remains untouched. 🎖️ Still, a very cool update overall. 📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa 📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🚀 From Docker to Kubernetes [v2.4.0] Release 🔥 Big new drop! We've added advanced topics and real-world strategies across Docker & Kubernetes to take your skills to the next level! 👨‍💻⚙️ 🐳 Docker Section – Expanded! ➕ Added Docker Secrets Management for secure storage and distribution of sensitive information ➕ Added Docker Resource Management for comprehensive resource control and optimization ☸️ Kubernetes Section – Leveled Up! ➕ Added Kubernetes Resource Requests & Limits for sophisticated resource management ➕ Added Kubernetes Cluster API for declarative cluster lifecycle management 📌 Dive in now & level up your DevOps journey! 🌐 https://dockertokubernetes.live ✉️ Read more about v2.4.0: https://www.dockertokubernetes.live/blog/v2-4 📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa 📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🛜 𝐖𝐞 𝐚𝐥𝐥 𝐤𝐧𝐨𝐰 𝐂𝐥𝐨𝐮𝐝𝐟𝐥𝐚𝐫𝐞 𝐰𝐞𝐧𝐭 𝐝𝐨𝐰𝐧. 𝐁𝐮𝐭 𝐰𝐡𝐚𝐭 𝐰𝐞 𝐚𝐜𝐭𝐮𝐚𝐥𝐥𝐲 𝐝𝐨𝐧’𝐭 𝐤𝐧𝐨𝐰… Yesterday, half the internet felt broken.ChatGPT stopped loading, X went silent, and many websites simply disappeared. Everyone said, “Cloudflare is down”. But the real reason was much simpler and much more surprising. A config file inside Cloudflare’s system kept growing over time and the moment that file became too large, it crashed the software that handles traffic for several Cloudflare services. When a company that carries almost 20% of the internet’s traffic has a software crash the whole world feels it.That’s why so many apps went offline at the same time. This is a reminder for DevOps Engineers that even tiny things deserve attention. 📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa 📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🎯 Make your DevOps/Cloud resume impossible to ignore. 😬Most engineers write the same bullets: Kubernetes, Docker, Jenkins, Terraform, AWS, Helm, Prometheus… These are tools, not outcomes. Hiring managers want to know if you can keep platforms stable, scalable and predictable in production. They ask: 👉 “Can this engineer keep my platform healthy during real-world traffic and failures?” 😬Write transformations, not tool lists: • Don’t say “used Kubernetes.” Say how deployments survived node failures and reduced downtime. • Don’t say “built pipelines.” Say how CI/CD shipped features safely without breaking production. • Don’t say “wrote Terraform.” Say how infra patterns made environments reproducible and secure. • Don’t say “configured Prometheus.” Say how alerting cut MTTR and protected SLAs. • Don’t say “saved cost.” Say how you automated power-off of dev workloads during off hours, right-sized VMs, and removed idle resources to cut monthly cloud spend. • Don’t say “configured networking.” Say how you centralized networking in a single account, enforced VPC standards, and simplified cross-team connectivity. • Don’t say “improved security.” Say how you implemented least privilege IAM, automated key rotation, and passed an external audit with zero critical findings. • Don’t say “scaled the app.” Say how you designed autoscaling and capacity plans that maintained 99.x percent availability during peak traffic.

These are the bullets hiring managers remember. These bullets get interviews.

📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa 📱 𝐅𝐨𝐥𝐥𝐨𝐰 @devopsclassroom 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

▶️ Learn DevOps by playing games 🎮 ✅ Learn Git Branching - https://t.co/inOXRdxqmi ✅ Kubernetes Killer Shell - https://t.co/E0DuG3oNWb ✅ KodeKloud Engineer - https://t.co/6pVfXAZMjp (Specific role simulation part of KodeKloud) ✅ TryHackMe - https://t.co/eg2af2g6pA (Many rooms cover Linux, Docker, K8s security from an offensive/defensive perspective) ✅ Hack The Box - https://t.co/mjuFU64DoK (Similar to TryHackMe, CTFs often involve DevOps tool exploitation/hardening) ✅ OverTheWire Wargames - https://t.co/NkeXrR72TU (Classic command-line challenges, starting with Bandit for Linux basics) ✅ AWS Cloud Quest - https://t.co/BpJ9zqkff9 ✅ CNCF Cloud Native Landscape Games (Phippy & Friends) - https://t.co/JR0UneWi0O (Collection of simple games explaining cloud-native concepts) ✅ Play with Docker - https://t.co/4qeVjdGgXt (Interactive Docker sandbox environment) ✅ Kubernetes Goat - https://t.co/40IzNGCXSh (Deliberately vulnerable K8s cluster to learn security) 📢 Spread the word—share this with your network. 📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

▶️ Learn DevOps by playing games 🎮 ✅ Learn Git Branching - https://t.co/inOXRdxqmi ✅ Kubernetes Killer Shell - https://t.co/E0DuG3oNWb ✅ KodeKloud Engineer - https://t.co/6pVfXAZMjp (Specific role simulation part of KodeKloud) ✅ TryHackMe - https://t.co/eg2af2g6pA (Many rooms cover Linux, Docker, K8s security from an offensive/defensive perspective) ✅ Hack The Box - https://t.co/mjuFU64DoK (Similar to TryHackMe, CTFs often involve DevOps tool exploitation/hardening) ✅ OverTheWire Wargames - https://t.co/NkeXrR72TU (Classic command-line challenges, starting with Bandit for Linux basics) ✅ AWS Cloud Quest - https://t.co/BpJ9zqkff9 ✅ CNCF Cloud Native Landscape Games (Phippy & Friends) - https://t.co/JR0UneWi0O (Collection of simple games explaining cloud-native concepts) ✅ Play with Docker - https://t.co/4qeVjdGgXt (Interactive Docker sandbox environment) ✅ Kubernetes Goat - https://t.co/40IzNGCXSh (Deliberately vulnerable K8s cluster to learn security) 📢 Spread the word—share this with your network. 📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

▶️ List of 📱 Git commands for DevOps Engineer, along with their usage: ⚡️Basic Git Commands: 1. git init - Initialize a new Git repository. 2. git clone <repository> - Clone an existing Git repository. 3. git config --global user.name "<Your Name>" - Set your username for Git. 4. git config --global user.email "<your_email@example.com>" - Set your email address for Git. 5. git status - Check the status of your repository. 6. git add <file> - Stage a file for the next commit. 7. git add . - Stage all changes in the current directory and subdirectories. 8. git commit -m "<commit_message>" - Commit changes with a meaningful commit message. 9. git log - Display a log of all commits made to the repository. 10. git branch - List all branches in the repository. 11. git checkout <branch> - Switch to a different branch. 12. git merge <branch> - Merge changes from another branch into the current branch. ⚡️Git Branching Commands: 1. git branch <new_branch> - Create a new branch. 2. git branch -d <branch> - Delete a branch. 3. git branch -m <old_branch> <new_branch> - Rename a branch. 4. git checkout -b <new_branch> - Create a new branch and switch to it. ⚡️Git Remote Commands: 1. git remote add <name> <url> - Add a remote repository. 2. git remote remove <name> - Remove a remote repository. 3. git remote rename <old_name> <new_name> - Rename a remote repository. 4. git fetch <remote> - Fetch changes from a remote repository. 5. git push <remote> <branch> - Push changes to a remote repository. 6. git pull <remote> <branch> - Pull changes from a remote repository. ⚡️Git Merge and Conflict Resolution Commands: 1. git merge <branch> - Merge changes from another branch into the current branch. 2. git merge --abort - Abort a merge operation. 3. git merge --continue - Continue a merge operation after resolving conflicts. 4. git status - Check the status of your repository during a merge operation. ⚡️Git Tagging Commands: 1. git tag <tag_name> - Create a lightweight tag. 2. git tag -a <tag_name> -m "<tag_message>" - Create an annotated tag. 3. git tag -d <tag_name> - Delete a tag. 4. git tag -l - List all tags in the repository. ⚡️Git Reset and Revert Commands: 1. git reset <commit> - Reset your repository to a specific commit. 2. git reset --hard <commit> - Reset your repository to a specific commit and discard all changes. 3. git revert <commit> - Revert changes made by a specific commit. 4. git revert --no-commit <commit> - Revert changes made by a specific commit without committing the changes. ⚡️Git Stash Commands: 1. git stash - Stash changes in your repository. 2. git stash list - List all stashed changes. 3. git stash apply - Apply stashed changes to your repository. 4. git stash drop - Delete a stashed change. 5. git stash pop - Apply and delete a stashed change. ⚡️Git Submodule Commands: 1. git submodule add <repository> - Add a submodule to your repository. 2. git submodule init - Initialize a submodule. 3. git submodule update - Update a submodule. 4. git submodule status - Check the status of a submodule. 5. git submodule summary - Summarize changes made to a submodule. ⚡️Git Cherry-Pick Commands: 1. git cherry-pick <commit> - Apply changes made by a specific commit to your current branch. 2. git cherry-pick --abort - Abort a cherry-pick operation. 3. git cherry-pick --continue - Continue a cherry-pick operation after resolving conflicts. ⚡️Git Rebase Commands: 1. git rebase <branch> - Rebase your current branch onto another branch. 2. git rebase --abort - Abort a rebase operation. 3. git rebase --continue - Continue a rebase operation after resolving conflicts. 4. git rebase -i <commit> - Interactively rebase changes made since a specific commit. ⚡️Git Diff Commands: 1. git diff - Display differences between your working directory and the staging area. 2. git diff --cached - Display differences between the staging area and the last commit. 📱 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🟡 90% of Freshers Skip This Kubernetes Beginner Roadmap — Don’t Be One of Them ➡️ Why Kubernetes? Orchestrates Containers: Helps you run and manage containers across multiple machines without manual effort. Effortless Scaling: Automatically adjusts application capacity based on demand. High Availability: Keeps your services running even when individual components fail. Industry Essential: A key skill for DevOps, cloud, and system engineering careers. 1️⃣. Start With the Basics Before jumping into Kubernetes, ensure you understand: Containers: Especially Docker, since Kubernetes manages containerized apps. YAML: Almost all Kubernetes configs are written in YAML. 2️⃣. Learn Core Kubernetes Concepts Understand what Kubernetes is: a platform that automates deployment, scaling, and management of containerized applications. Key building blocks: Cluster: A group of machines controlled by Kubernetes. Node: A physical or virtual server inside the cluster. Pod: The smallest unit that can run your containers. Service: A stable network endpoint to access pods. Namespace: Logical separation within the cluster for resource isolation. 3️⃣. Install Kubernetes Locally or in the Cloud Local Setup Options: Minikube – Simple single-node cluster. Kind – Kubernetes running inside Docker. K3s – Lightweight distribution for low-resource systems. Cloud Services: GKE (Google) EKS (AWS) AKS (Azure) 4️⃣. Learn kubectl kubectl is the command-line tool used for interacting with Kubernetes. Common commands: kubectl get nodes – Show all nodes kubectl get pods – List pods kubectl describe pod <pod> – Pod details kubectl apply -f file.yaml – Apply configuration kubectl delete pod <pod> – Remove a pod 5️⃣. Understand Kubernetes Objects Pod: Runs one or more containers. Deployment: Ensures pods run as expected and supports rolling updates. Service: Exposes pods internally or externally. ClusterIP, NodePort, LoadBalancer ConfigMap & Secret: Store configuration and sensitive values. PersistentVolume & PersistentVolumeClaim: Handle permanent storage. 6️⃣. Practice Writing YAML Files

apiVersion: apps/v1
kind: Deployment
metadata:
 name: my-deployment
spec:
 replicas: 3
 selector:
 matchLabels:
 app: my-app
 template:
 metadata:
 labels:
 app: my-app
 spec:
 containers:
 - name: my-container
 image: nginx
 ports:
 - containerPort: 80

7️⃣. Understand Kubernetes Networking Pod-to-pod communication works by default. Services provide stable access to pods. Ingress handles HTTP/HTTPS routing from outside the cluster. 8️⃣. Learn Scaling Mechanisms HPA (Horizontal Pod Autoscaler): Scales the number of pods. VPA (Vertical Pod Autoscaler): Adjusts CPU/memory per pod. Cluster Autoscaler: Adds/removes nodes automatically. 📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa 📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🪦 INGRESS IS DEAD 😥 How can DevOps Engineers adjust? Ingress is the original user-friendly way to direct network traffic to workloads running on Kubernetes. (Gateway API is a newer way to achieve many of the same goals.) In March 2026, Ingress NGINX (the main controller) maintenance will be halted, and the project will be retired. Existing deployments of Ingress NGINX will not be broken. 🌟 Gateway API 🌟 project is the successor to the Ingress API. It exists because Kubernetes’ old Ingress API was too limited and inconsistent for modern traffic routing. It is being adopted by all major vendors—AWS, Google, Azure, Istio, Cilium, Linkerd, Kong, Traefik. The old Ingress controller has powered billions of requests in datacenters and homelabs all around the world, and Kubernetes wouldn’t be where it is without Ingress NGINX. What are your thoughts? ☸️ ➡️ References: - https://lnkd.in/dJP-6iAf - https://lnkd.in/dPKPitCC 📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa 📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🚀 Final Round Interview Completed at Neurealm (Senior DevOps Engineer) 🚀 Today my friend appeared for the final technical round at Neurealm, and it was a complete deep dive into real-world DevOps scenarios. The panel focused heavily on Kubernetes, Helm, Jenkins, AWS, Terraform, Prometheus & Grafana — all scenario-based and practical. Sharing the questions here so others preparing for similar roles can benefit ➡️ 😬Kubernetes — Scenario-Based Questions - Your Pod is restarting frequently. How do you identify the root cause? - A Deployment is stuck in "progressing" state — how do you troubleshoot? - How do you debug a CrashLoopBackOff issue? - How do you check which Pods are consuming high memory or CPU? - Node is in NotReady state — steps to investigate? - Your application is not accessible through service — what will you check? - How do you handle failed daemonset pods? - Persistent Volume not attaching — what’s your troubleshooting approach? - How do you perform rolling updates and rollbacks safely? - How do you perform health checks for Pods and Nodes in live environments? 😬Helm — Practical Questions - What are values.yaml and how do you override them? - How do you manage multiple environment deployments using Helm? - How do you debug a failed Helm release? - What is the difference between Helm Chart, Release, and Repository? 😬Jenkins — CI/CD Questions - Why choose Declarative Pipeline over Scripted Pipeline? - How do you integrate SonarQube into a Jenkins pipeline? - How do you build → containerize → push → deploy using Jenkins? 😬AWS — Scenario Questions - Your EC2 instance is unreachable — how do you diagnose? - How do you implement Auto Scaling with proper health checks? - Difference between ALB and NLB and when to use which? - S3 cross-region replication setup steps? - How to troubleshoot high latency in API Gateway? - How do you reduce RDS cost without downtime? - What happens if Terraform state is deleted in S3? - How do you secure your VPC workloads at scale? 😬Terraform — Infra as Code Questions - How do you recover from a deleted Terraform state file? - How do you create 50 EC2 instances with different configurations (dynamic blocks)? - Share your screen and write a terraform code to create a VPC with all there components and create a RDS database into VPC. 😬Prometheus & Grafana — Monitoring Questions - How do you set up custom metrics for Kubernetes pods? - How do you troubleshoot missing data points in Grafana dashboards? - How do you create alerts for high CPU or memory usage? 😬Reflection: This interview round was entirely hands-on, scenario-focused, and tested how well you handle production-grade issues, automation thinking, and troubleshooting skills. If you're preparing for DevOps/SRE roles — start practicing real scenarios, not definitions. 📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa 📱 𝐅𝐨𝐥𝐥𝐨𝐰 @devopsclassroom 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

➡️ New DevOps Project Alert! ⬅️ 📌 Project: CI/CD DevOps Pipeline Project: Deployment of Java Application on Kubernetes 📱 Repo: https://github.com/NotHarshhaa/DevOps-Projects/tree/master/DevOps-Project-35 📢 This project demonstrates a fully automated CI/CD pipeline for deploying a Java application on Kubernetes, leveraging industry-best DevOps tools. 🛠 Tech Stack & Tools Used: ✅ Jenkins - CI/CD automation ✅ Maven - Build automation & dependency management ✅ SonarQube - Code quality & static analysis ✅ Trivy - Docker image vulnerability scanning ✅ Nexus Repository - Artifact storage & versioning ✅ Docker - Containerization for portability ✅ Kubernetes - Container orchestration ✅ Gmail Integration - Email notifications for pipeline status ✅ Prometheus & Grafana - Monitoring & visualization ✅ AWS - Infrastructure provisioning 🔎 Project Highlights: 📌 Fully automated CI/CD pipeline 📌 Secure code scanning & vulnerability detection 📌 Containerized deployment with Kubernetes 📌 Monitoring & alerting with Prometheus & Grafana 💻 Check out the repo & give it a ⭐️ if you find it useful! #DevOps #CICD #Kubernetes #Jenkins #Docker #AWS #Monitoring #Automation 🚀🔧 🔵 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs