In this article, you'll learn the importance of load and performance testing your Kubernetes applications, as well as the tools required for these tests:

- K6
- Kube-burner
- hey
- Speedscale
- StormForge
- kube-monkey
- JMeter
- LitmusChaos

More: https://containiq.com/post/kubernetes-load-testing

What does it take to get a job as a Kubernetes engineer?

Do you need a Kubernetes certification to apply for a job?

What's the average salary for a Kubernetes engineer?

We analyzed 93 Kubernetes jobs for the first three months of 2022 and found that:

- The average Kubernetes job pays €83,722 in Europe and $143,684 in North America.
- The majority of the job listings are for Senior DevOps Engineers (no junior roles, unfortunately).
- 64% of the jobs mention remote working!
- As usual, AWS, Python, Terraform, Prometheus and Jenkins are the top mentions in any Kubernetes job denoscriptions.

You can read the full report here: https://kube.careers/kubernetes-trend-report-2022-q2

Diun is a CLI application written in Go and delivered as a single executable (and a Docker image) to receive notifications when a Docker image is updated on a Docker registry.

More: https://github.com/crazy-max/diun

Kubedog is a library to watch and follow Kubernetes resources in CI/CD deploy pipelines.

More: https://github.com/werf/kubedog

The goal of this series of articles is to introduce the features and explain the functionality of the Helm Universal Layer Library (HULL) — a Helm library chart which can help in efficiently creating and managing applications in Kubernetes.

More: https://dev.to/gre9ory/hull-tutorial-01-introducing-hull-the-helm-universal-layer-library-4njb

In this article, you will learn a practical framework to troubleshoot applications deployed on Kubernetes.

1. Is it there?
2. Why isn't it working?
3. It starts, but doesn't work.
4. There are too many pods!
5. But can you `curl` it?

More: https://blog.alexellis.io/troubleshooting-on-kubernetes

mirrord lets you easily mirror traffic from your Kubernetes cluster to your development environment.

It comes as both Visual Studio Code extension and a CLI tool.

More: https://github.com/metalbear-co/mirrord

In this article, you will look at how you can leverage the Kubernetes Python Client library to automate any tasks. Examples:

- Triggering a rollout.
- Scaling a deployment.
- Applying taints.
- Retrieving metrics.
- Backing up all resources in a namespace.

More: https://martinheinz.dev/blog/73

hetzner-k3s is a CLI tool (based on a Ruby gem) to quickly create and manage Kubernetes clusters in Hetzner Cloud using the lightweight Kubernetes distribution k3s from Rancher.

More: https://github.com/vitobotta/hetzner-k3s

In this article, you will learn how to use GitHub Actions to automatically test, build and deploy your Docker images to Kubernetes on every commit to the main branch.

More: https://nicwortel.nl/blog/2022/05/27/continuous-deployment-to-kubernetes-with-github-actions

In this article, you will learn how to build a Raspberry PI Kubernetes cluster with K3s and:

1. Deploy an MQTT broker using Helm.
2. Monitor apps on each Raspberry Pi.
3. Drive an LED strip on one specific device.

More: https://medium.com/thinkport/how-to-build-a-raspberry-pi-kubernetes-cluster-with-k3s-76224788576c

Canary release is a deployment technique for releasing a new version of your software into production by slowly rolling out changes to a small subgroup of users.

In this article, you'll learn how to perform a canary release using the Emissary Ingress.

More: https://blog.getambassador.io/simple-canary-release-with-emissary-ingress-5d68d6fdd8fd

A collection of more than 20 kubectl CLI tips from the community.

More: https://learncloudnative.com/blog/2022-05-10-kubectl-tips

In this article, you will cover the 6 most critical metrics based on Kubernetes's metadata that form a good baseline for monitoring your workloads and ensuring they're in a healthy state.

More: https://betterprogramming.pub/6-metrics-to-watch-for-on-your-k8s-cluster-76d58f08397f

Kubernetes comes with many tools to help you manage your clusters, including kubectl set-context.

In this guide, you'll learn how to use this command to manipulate contexts in your kubeconfig file, as well as best practices for doing so.

More: https://containiq.com/post/kubectl-config-set-context-tutorial-and-best-practices

kcount counts Kubernetes objects across namespaces and clusters.

It can be used as a CLI tool or as a daemon (service) exposing Prometheus metrics.

More: https://github.com/pan-net-security/kcount

In this article, you will learn about debugging and troubleshooting Kubernetes pods using ephemeral containers.

More: https://afarid.medium.com/debugging-kubernetes-pods-deep-dive-d6b2814cd8ce

This repository contains the notes taken during study sessions for the Certified Kubernetes Administrator (CKA).

More: https://github.com/ismet55555/Certified-Kubernetes-Administrator-Notes

A lot of engineers advise the use of CPU limits on every container as Kubernetes best practice.

Unfortunately, CPU limits should rarely be used, if used at all!

This article explains why.

More: https://netdata.cloud/blog/kubernetes-throttling-doesnt-have-to-suck-let-us-help

Kubernetes is neither secure by default, nor by itself.

You absolutely can, and must, harden its configuration.

This article summarises the NSA/CISA guidelines on security hardening Kubernetes.

More: https://elastisys.com/nsa-cisa-kubernetes-security-hardening-guide-and-beyond-for-2022

A curated list of awesome Kubernetes tools and resources.

More: https://github.com/tomhuang12/awesome-k8s-resources