10 Real-World Kubernetes Failures & Their Fixes | Set- 2 | Fix Pods, Nodes & Deployments in Prod

Description

Struggling with Kubernetes errors? 🚀 In this deep-dive Kubernetes troubleshooting tutorial , we’ll walk through 10 real-world problems (Questions 11–20) that every DevOps engineer, CKA aspirant, or cloud developer must know — from Pod failures, Service misroutes, InitContainer loops, CNI issues, Blue-Green/Canary mishaps, to Deployment rollbacks gone wrong. This is a hands-on Kubernetes full course segment (Zero to Hero 2025) — we’ll simulate, diagnose, and fix every issue with `kubectl`, YAMLs, and practical insights that’ll help you pass CKA, ace DevOps interviews, and debug production-grade clusters. --- ### 🧠 What You’ll Learn Troubleshoot InitContainer `CrashLoopBackOff` errors Fix Sidecar pattern volume mount issues Handle Pod latency and scheduling affinity problems Resolve CNI plugin (Calico/Flannel) IP allocation errors Diagnose ReplicaSet permission and ServiceAccount errors Undo or manually revert failed Kubernetes rollouts Handle paused or stuck Deployments Correct Blue-Green and Canary deployment routing Trigger image-based rollouts with correct pull policies Real production debugging tricks for DevOps & CKA prep --- ### 👩‍💻 Who Should Watch This Video 1. DevOps Engineers working with Kubernetes in production 2. CKA / CKAD aspirants preparing for the certification exam 3. Cloud professionals on AWS EKS, GKE, or AKS 4. Developers deploying microservices in Kubernetes 5. Site Reliability Engineers (SREs) handling live clusters 6. Students and learners of Kubernetes full course 2025 7. Anyone debugging Pods, Deployments, or Services in k8s 8. Teams using Helm, ArgoCD, or CI/CD in Kubernetes 9. IT professionals shifting from Docker to Kubernetes 10. Anyone who wants to master Kubernetes troubleshooting --- ### 🕒 Timestamps 00:00 – Intro: Kubernetes Troubleshooting Overview 00:44 – Q11: InitContainer Failing (CrashLoopBackOff) 02:32 – Q12: Sidecar Pattern Logging Issue 03:39 – Q13: Pod Affinity Causing Latency 04:46 – Q14: Pod Not Receiving IP (CNI Troubleshoot) 05:47 – Q15: ReplicaSet Not Creating Pods 06:50 – Q16: Deployment Rollback Not Working 07:44 – Q17: Paused Deployment Stuck 08:38 – Q18: Blue-Green Traffic Still Routed to Old Pods 09:29 – Q19: Canary Pods Receiving All Traffic 10:27 – Q20: Image Update Ignored (No Rollout Triggered) --- ### 📌 Hashtags (for Description / Comment) #kubernetes #k8s #cka #ckad #devops #cloud #docker #helm #microservices #kubernetesfullcourse #kubernetestutorial #kubectl #eks #gke #aks #argoCD #troubleshooting #kubernetespods #bluegreen #canarydeployment --- ### 🧩 YouTube Tags kubernetes troubleshooting, kubernetes tutorial, kubernetes full course, kubernetes for beginners 2025, kubectl tutorial, k8s troubleshooting, fix pod crashloopbackoff, kubernetes initcontainer, kubernetes sidecar, kubernetes affinity, kubernetes networking, calico cni error, replica set not creating pods, kubernetes rollback, blue green deployment kubernetes, canary deployment kubernetes, imagepullpolicy kubernetes, cka practice questions, kubernetes exam tips, devops full course, cloud native apps, kubernetes zero to hero, helm chart tutorial, prometheus grafana tutorial --- ### 💬 Call to Action If this helped you fix your Kubernetes Pods or deployments , hit 👍, share it with your DevOps friends, and subscribe for Kubernetes Full Course 2025 – Hands-On Labs, Real Errors, and Interview Tips every week! ---