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CodeSignal

Kubernetes Foundations

via CodeSignal

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Overview

Learn Kubernetes fundamentals: what it is, how it runs apps, and how its components work. Build a mental model of clusters, nodes, and Pods. By the end, you'll be able to define, run, inspect, and clean up basic workloads using core Kubernetes tools.

Syllabus

  • Unit 1: What Is Kubernetes?
    • Verify kubectl Installation
    • Verify Cluster Health and Nodes
    • Exploring Cluster Information
  • Unit 2: Pod Resource Basics
    • Editing Your First Pod Manifest
    • Writing Your First Pod Manifest
    • Updating a Running Pod Manifest
    • Managing the Full Pod Lifecycle
    • Fixing a Configuration Error
  • Unit 3: Pod Lifecycle and Status
    • Observing Pod Startup Phases
    • Debugging a Failed Pod Deployment
    • Debugging a Container Crash Loop
    • Diagnosing Pod Failures with kubectl
    • Observing Pod Lifecycle and Graceful Termination
  • Unit 4: Configuring Containers in Pods
    • Adding Your First Environment Variable
    • Declaring Container Ports in Pods
    • Overriding Container Startup Commands
    • Building a Complete Pod Configuration
    • Debugging Container Configuration Syntax Errors
  • Unit 5: Organizing Pods with Labels
    • Adding Your First Pod Label
    • Adding Multiple Labels to Pods
    • Filtering Pods with Label Selectors
    • Managing Multi-Component Applications with Labels
    • Fixing Inconsistent Label Naming Conventions

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