Monitoring and Troubleshooting

📊 Progress Tracking

TABLE WITHOUT ID
  "📈 Progress" as " ",
  length(filter(file.tasks, (t) => t.completed)) + "/" + length(file.tasks) + " tasks" as "Completed",
  round(length(filter(file.tasks, (t) => t.completed)) / length(file.tasks) * 100) + "%" as "Progress"
WHERE file.path = this.file.path

📋 Module Overview

Monitor cluster health and troubleshoot common issues

🎯 Learning Objectives

  • Master cluster monitoring
  • Master troubleshooting methods
  • Master cluster maintenance
  • Master cka exam preparation

📚 Tasks & Exercises

1. Cluster Monitoring

  • Task 1.1: Metrics Server and resource usage
  • Task 2.2: Prometheus and Grafana setup
  • Task 3.3: Custom metrics and HPA
  • Task 4.4: Alerting and notification setup
  • Task 5.5: Log aggregation with ELK/Loki

Practice: Complete practical exercises for cluster monitoring

2. Troubleshooting Methods

  • Task 1.1: Pod lifecycle and failure analysis
  • Task 2.2: Node troubleshooting and recovery
  • Task 3.3: Network connectivity issues
  • Task 4.4: Storage and mount problems
  • Task 5.5: Performance bottleneck identification

Practice: Complete practical exercises for troubleshooting methods

3. Cluster Maintenance

  • Task 1.1: Node maintenance and cordoning
  • Task 2.2: Cluster upgrades and rollbacks
  • Task 3.3: etcd backup and restore
  • Task 4.4: Certificate rotation
  • Task 5.5: Capacity planning and scaling

Practice: Complete practical exercises for cluster maintenance

4. CKA Exam Preparation

  • Task 1.1: Practice exam scenarios and time management
  • Task 2.2: kubectl command shortcuts and efficiency
  • Task 3.3: Troubleshooting broken clusters
  • Task 4.4: YAML manifest creation speed
  • Task 5.5: Documentation navigation skills

Practice: Complete practical exercises for cka exam preparation

📖 Resources

Required Reading

Optional Materials

  • Explore additional resources as needed
  • Practice with real-world examples
  • Join community discussions

✅ Completion Criteria

Mark this module complete when you can:

  • Successfully complete all cluster monitoring tasks

  • Successfully complete all troubleshooting methods tasks

  • Successfully complete all cluster maintenance tasks

  • Successfully complete all cka exam preparation tasks

  • Apply concepts in practical scenarios

  • Explain key concepts to others

📝 Notes Section

Use this space for your personal notes and insights while learning


Previous: 05 - Security and RBAC |