Certified Kubernetes Administrator (CKA) - Tips and Resources

Certified Kubernetes Administrator (CKA) - Official Training

Welcome to the ultimate guide to help you pass the Certified Kubernetes Administrator (CKA) exam! This repository includes tips, curated resources, and hands-on examples to boost your preparation.

What's Inside

• 🌟 Official Resources: Links to documentation and tools.
• 📚 Courses and Labs: Recommendations for structured learning.
• 🛠️ Practice Examples: Real-world scenarios you might face during the exam.
• 📝 Pro Tips: Learn the tricks to master CLI, YAML, and vim.

Key Highlights

• 🚀 Fully hands-on preparation with practice labs and mock exams.
• 📖 Open book exam tips: Learn how to navigate Kubernetes documentation efficiently.
• ⏰ Time management strategies for the 2-hour exam.

How to Use This Repository

1. Explore the resources/ folder for recommended courses, simulators, and official links.
2. Practice with examples/ to get familiar with real exam-like scenarios.
3. Learn essential skills in tips/.

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Examples Categorized by Domain

Cluster Architecture

1. Backup and Restore etcd Data
   Objective: Create a snapshot of etcd data and restore it to recover the cluster state.
2. ClusterRole and ServiceAccount
   Objective: Create a ClusterRole and bind it to a ServiceAccount.

Services and Networking

1. Create an Ingress Resource
   Objective: Configure an Ingress resource to route traffic for multiple services.
2. NetworkPolicy
   Objective: Create a NetworkPolicy to control traffic flow between namespaces.

Storage

1. Create a PersistentVolume for Logs Storage
   Objective: Configure a PersistentVolume and verify its usage.
2. Create a PersistentVolumeClaim and Pod
   Objective: Create a PVC to claim storage from a PV and use it in a Pod.

Workloads and Scheduling

1. Schedule a Multi-Container Pod
   Objective: Configure a Pod with multiple containers.
2. Expose Deployment via NodePort
   Objective: Expose a deployment using a NodePort service.

Troubleshooting

1. Node Maintenance
   Objective: Set a node to unavailable and reschedule pods.
2. Ready Nodes Count
   Objective: Count the number of ready nodes, excluding those with the NoSchedule taint.

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Tips for Success

1. Explore the tips/ folder:
   • Linux Basics
   • Mastering Vim
   • YAML Best Practices
2. Use the resources/official-links.md for curated Kubernetes documentation and tools.

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License

This project is licensed under the MIT License.