All articles tagged #orchestration

Saim Safdar from the Cloud Native Islamabad community generously invited me to his channel to conduct a Kubernetes 101 workshop. However, as often happens, I found myself pulled in a slightly different direction:

What if you don't start with Pods, Deployments, and Services and instead take a step back and look at how things were done in the past with good old VMs? Can it help you understand Kubernetes faster and deeper?

Below, I present a more polished version of the workshop, enriched with illustrations and runnable examples. You can experiment with these examples directly in your browser on labs.iximiuz.com.

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There are lots of posts trying to show how simple it is to get started with Kubernetes. But many of these posts use complicated Kubernetes jargon for that, so even those with some prior server-side knowledge might be bewildered. Let me try something different here. Instead of explaining one unfamiliar matter (how to run a web service in Kubernetes?) with another (you just need a manifest, with three sidecars and a bunch of gobbledygook), I'll try to reveal how Kubernetes is actually a natural development of the good old deployment techniques.

If you already know how to run services using virtual machines, hopefully, you'll see that there's not much of a difference in the end. And if you're totally new to operating services at scale, following through the evolution of the technology might help you as well with the understanding of contemporary approaches.

As usual, this article is not meant to be comprehensive. Rather it's an attempt to summarize my personal experience and how my understanding of the domain has been forming over the years.

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