LABINTERMEDIATE
CoreDNS Configuration
Configure and troubleshoot CoreDNS for Kubernetes service discovery and DNS resolution.
45 minutes
kubernetes/cka
Lab Overview
This lab teaches you how to work with CoreDNS in Kubernetes, the default DNS server that provides service discovery and name resolution for cluster workloads.
You'll learn to:
- Understand how CoreDNS works in Kubernetes
- Explore the CoreDNS ConfigMap and Corefile syntax
- Configure custom DNS entries and stub domains
- Set up external DNS forwarding
- Troubleshoot DNS resolution issues
- Monitor CoreDNS performance and logs
DNS is fundamental to Kubernetes service discovery, making CoreDNS configuration an essential skill for the CKA exam.
Key Resources:
Prerequisites
basic-kubernetes
Technologies Covered
kubernetesckacorednsdnsnetworkingservice-discovery
Part of a Course
This lab is part of the Certified Kubernetes Administrator (CKA) Exam Preparation course
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