Amila Senadheera

Tech enthusiast

CoreDNS - How it solved the service discovery problem in k8s

Posted on March 11, 2023

DNS, it's one of the world's largest distributed databases. There is a bunch of RFCs explaining how DNS protocol actually works and how it evolved. Think of the Kubernetes environment as a small world…

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How I earned the CKAD certificate from Linux Foundation

Posted on December 28, 2022

It's almost the end of the year 2022. I faced the CKAD exam on the 26th of December and I could pass the exam. So, I thought about writing something about it so it would be helpful for someone else…

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Automate certificate management in Raspberry Pi Kubernetes cluster

Posted on November 07, 2022

Under Exposing Web Apps running in our Raspberry Pi cluster post, I have explained how to expose a service running in the cluster. But I didn't mention how to secure the network communication. What I…

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