Lab
A Cloud Guru

Using Kubernetes Services with DNS

Kubernetes Services can be located with the Kubernetes DNS just like Pods can. In this lab, you will work with the Kubernetes DNS to discover Services from within a Pod. This will test your knowledge of how to interact with Services using DNS.

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Path Info

Level

Intermediate

Duration

30m

Published

Nov 20, 2020

Challenge

Perform an Nslookup for a Service in the Same Namespace

Use the busybox Pod in the web namespace to perform an nslookup on the web-frontend Service. Use both the short Service name and its fully qualified domain name, and save all of the results to ~/dns_same_namespace_results.txt.
Challenge

Perform an Nslookup for a Service in a Different Namespace

Use the busybox Pod in the web namespace to perform an nslookup on the user-db Service, which exists in the data namespace. Use both the short Service name and its fully qualified domain name, and save all of the results to ~/dns_different_namespace_results.txt.

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.