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Kubernetes Troubleshooting: Real-World Production Fixes
Hot & New
New
219 students
What you'll learn
- Diagnose and fix the most common Kubernetes issues such as CrashLoopBackOff, ImagePullBackOff, and Pending Pods.
- Troubleshoot networking problems including Service misconfigurations, DNS failures, NetworkPolicy restrictions, and Ingress/TLS errors.
- Resolve resource and scheduling challenges by understanding quotas, limits, node conditions, evictions, and HPA scaling behavior.
- Debug storage and configuration problems including PVC binding errors, ConfigMap/Secret updates, and application restarts.
- Apply a systematic troubleshooting workflow using kubectl, logs, events, and monitoring tools to quickly identify root causes.
- Reproduce real-world Kubernetes incidents in hands-on break/fix labs using Minikube or Kind to build confidence for production on-call.
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Course content
7 sections • 34 lectures • 5h 38m total length
Requirements
- Basic familiarity with Linux command line (navigating files, running commands).
- Some exposure to containers (Docker basics) is helpful but not mandatory.
- A working Kubernetes environment (Minikube, Kind, or any managed service like EKS/GKE/AKS). I will show you how to set up Minikube/Kind on your local machine.
- kubectl installed on your machine (we’ll cover setup if you don’t already have it).
- Curiosity and willingness to experiment with break/fix labs — no prior Kubernetes troubleshooting experience required.
Description
Troubleshooting — The Ultimate Hands-on Lab
Master the Art of Debugging Kubernetes with Real-World Laboratory Scenarios.
Are you tired of seeing "CrashLoopBackOff" or "Pending" and not knowing where to start? Have you mastered building Kubernetes clusters but feel stuck when things actually break in production?
Welcome to Kubernetes Troubleshooting: The Ultimate Hands-on Course. This is not a "watch-and-learn" course; this is a "do-and-fix" experience.
Why This Course?
Most Kubernetes courses show you how to deploy applications when everything is perfect. But in the real world, things are rarely perfect. Infrastructure fails, configurations conflict, and resources run out. This course bridges the gap between theoretical knowledge and production-ready expertise.
Our Secret Sauce: The "Break-Fix" Strategy
We don't just talk about YAML. In every section, we use a unique strategy:
Recreate: We provide you with the exact commands to intentionally trigger production-grade failures.
Diagnose: We teach you a systematic methodology to use kubectl, logs, events, and describes to find the root cause.
Resolve: You apply the fix yourself and verify that the cluster is healthy again.
What You Will Master:
Pod Lifecycle & Common Failures: Debugging CrashLoopBackOff, ImagePullBackOff, Pending pods, and Zombie processes.
Networking & Service Discovery: Investigating CoreDNS, resolving Service misconfigurations, and fixing blocked NetworkPolicies.
Probes & Health Checks: Tuning Liveness, Readiness, and Startup probes for maximum stability.
Resource Management: Right-sizing CPU/Memory, handling OOMKilled events, and troubleshooting HPA scaling issues.
Storage & Configuration: Fixing PVC/PV binding failures and solving ConfigMap/Secret synchronization gaps.
Security & RBAC: Resolving "Forbidden" errors and implementing cluster-level guardrails with ResourceQuotas.
Who is this course for?
DevOps Engineers who want to be the resident "Kubernetes Expert" in their team.
SREs (Site Reliability Engineers) looking to decrease their Mean Time To Recovery (MTTR).
Cloud Architects who need to design resilient, traceable infrastructure.
CKA/CKAD Candidates who want practical, hands-on experience beyond the exam syllabus.
Prerequisites:
Basic understanding of Kubernetes concepts (Pods, Services, Nodes).
Access to a local Kubernetes environment (Minikube or Kind).
A "never-give-up" attitude toward fixing bugs!
Stop fearing the error logs. Start mastering the cluster. Enroll today and become a Kubernetes Troubleshooting Warrior!
Who this course is for:
- Aspiring Kubernetes Engineers who want hands-on troubleshooting skills to stand out in interviews and real-world roles.
- DevOps, SRE, and Platform Engineers who support production Kubernetes clusters and need faster, repeatable debugging workflows.
- Application Developers deploying microservices on Kubernetes who want to understand why their Pods fail, crash, or stay Pending.
- Anyone preparing for Kubernetes certifications (CKA/CKS/CKAD) who wants deeper exposure to real troubleshooting scenarios.