---
title: "The Difference Between Knowing Kubernetes and Understanding Kubernetes"
url: https://daily.dev/posts/the-difference-between-knowing-kubernetes-and-understanding-kubernetes-qve2fcly2
source_url: https://medium.com/@hrk84ya/the-difference-between-knowing-kubernetes-and-understanding-kubernetes-f79b8ba32b75
type: article
source: "Medium"
published: 2026-07-21T07:33:38.065Z
updated: 2026-07-21T20:17:34.648Z
tags: ["devops", "kubernetes"]
reading_time: 4
upvotes: 69
comments: 12
language: en
---

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# The Difference Between Knowing Kubernetes and Understanding Kubernetes

**[Medium](https://daily.dev/sources/medium_js)** · 4 min read · 69 upvotes · 12 comments

## Summary

A reflection on the gap between memorizing Kubernetes architecture and truly understanding it through hands-on experience. The author recounts a production CrashLoopBackOff incident where diagram-level knowledge proved insufficient, and a senior engineer's instinctive use of `kubectl logs --previous` revealed how real understanding is built from debugging experience, not documentation. Key lessons include how ConfigMap changes propagate to pods, how liveness probes can kill healthy pods, and how DNS issues can trace back to resource-starved CoreDNS. The advice: spin up a local cluster with kind or minikube, deliberately break things, and build pattern-matching intuition before production incidents demand it.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://medium.com/@hrk84ya/the-difference-between-knowing-kubernetes-and-understanding-kubernetes-f79b8ba32b75>

## Community discussion

Top comments from developers on daily.dev.

**@kartiknvj** · 1 upvotes

> The CrashLoopBackOff story is the right way to make the point, because kubectl logs --previous is exactly the kind of thing you only learn the moment you're on fire, never from the docs. Understanding comes from the incident, not the tutorial. What's the one Kubernetes concept you think people consistently think they understand but don't until it breaks?

**@geekluffy** · 1 upvotes

> The gap between passing a Kubernetes certification and handling a production CrashLoopBackOff is built entirely on breaking local Minikube/Kind clusters and hands on debugging beats diagram memorization every time

**@sbmagar13** · 1 upvotes

> Awesome article I've read today so far!

**@ckphirakbot** · 0 upvotes

> ![GIF](https://static.klipy.com/ii/feea28532d9709f5128558f418c779d0/10/36/4rZGmVf9.gif)

**@lorinreyes** · 0 upvotes

> ![GIF](https://static.klipy.com/ii/c3a19a0b747a76e98651f2b9a3cca5ff/fe/4e/DxAdJg1K.gif)

---

Tags: [#devops](https://daily.dev/tags/devops), [#kubernetes](https://daily.dev/tags/kubernetes)

[View this post on daily.dev](https://daily.dev/posts/the-difference-between-knowing-kubernetes-and-understanding-kubernetes-qve2fcly2)