This guide introduces the reader to Kubernetes CronJobs, explaining what they are and how they can be used when working with Kubernetes.

Read more https://containiq.com/post/kubernetes-cronjobs

With Kubernetes, sometimes you need to change the config of a running resource. kubectl patch can help you out, and this guide will teach you everything you need to know about it.

➜ https://containiq.com/post/kubectl-patch

[ebook] "Cloud Native DevOps with Kubernetes, 2nd edition" shows devs and ops staff how to apply industry-standard DevOps practices to Kubernetes in a cloud-native context. Learn how to build, deploy, and scale modern applications in the cloud.

➜ https://nginx.com/resources/library/cloud-native-devops-with-kubernetes

robusta-chaos is a chaos-engineering Kubernetes operator that can:

1. Generate OOMs.
2. Generate high CPU.
3. Make nodes unresponsive by creating kubelet issues.

More: https://github.com/robusta-dev/robusta-chaos

Some errors in Kubernetes can be a nightmare, and CreateContainerError and CreateContainerConfigError are two of them. This article will help you identify and resolve these errors.

More: https://containiq.com/post/fixing-createcontainererror-and-createcontainerconfigerror

Helm has Flow Control which can be used to manipulate dynamic values in the template.

In this article, you will create a single cron resource and then loop through the collections of cronjob commands to create multiple cronjob resources.

More: https://dev.to/ujwaldhakal/manage-multiple-cron-with-helm-flow-control-32i7

Kine is an etcdshim that translates etcd API to SQLite, Postgres, Mysql, and dqlite



More: https://github.com/k3s-io/kine

Kubernetes pod pending is ubiquitous in every cluster.

In this article, you learn the different situations that cause this issue, allowing you to find the solution quickly and, best of all, avoid it as much as possible.

More: https://sysdig.com/blog/kubernetes-pod-pending-problems

In this article, you'll take a closer look at what taints and tolerations are, compare them to other advanced scheduling techniques, and walk through a hands-on tutorial.



More: https://medium.com/kubecost/kubernetes-taints-tolerations-tutorial-with-examples-8ad3acd25c17

Ephemeral containers are special type of container that runs temporarily in an existing pod. This container is never automatically restarted and its lifetime is only up to the life of a pod.
Learn how to use it for troubleshooting it in this article.

More: https://medium.com/linux-shots/debug-kubernetes-pods-using-ephemeral-container-f01378243ff

kubectl-ice is a kubectl plugin that lets you see the configuration of all pod's containers.

You can inspect volumes, images, ports and executable configurations, along with current CPU and memory metrics at the container level.

More: https://github.com/NimbleArchitect/kubectl-ice

Master Kubernetes with this a 4-day Advanced Kubernetes workshop on the 9th of June!

What should you expect?

- Learn how to architect and design clusters from the ground up (in the cloud or on-prem).
- Explore the Kubernetes internal component and how the system is designed with resiliency in mind.
- Deep-dive into the networking components and observe the packets flowing into the cluster.
- Hands-on labs to test the theory with real-world scenarios!


You can sign up here: https://learnk8s.io/online-advanced-june-2022

A cool home lab built out of 4 Raspberry PIs and another RPI as a NAS server.

It features Kubernetes, K3S, Gitops, Flux, Grafana, Prometheus, Plex, and Longhorn.


More: https://medium.com/@ilankushnir/kws-cluster-e7e079cf103b

Learn how to design a Kafka cluster to achieve high availability using standard kubernetes resources and test how it tolerates maintenance and total node failures.

More: https://learnk8s.io/kafka-ha-kubernetes

This repo covers Kubernetes objects' and components' details (Kubectl, Pod, Deployment, Service, ConfigMap, Volume, PV, PVC, Daemonset, Secret, Affinity, Taint-Toleration, Helm, etc.), and possible example usage scenarios (how-to, hands-on labs, etc.).

More: https://github.com/omerbsezer/Fast-Kubernetes

Skaffold is a tool that:

- Builds Docker images.
- Pushes them.
- Deploys your Kubernetes resources with the docker images it just built.

And it does everything with one single command.

Learn how to use it in this tutorial.

More: https://dev.to/otomato_io/local-kubernetes-development-with-skaffold-i0k

In this article you will learn how you can use the ambassador, adapter, sidecar and init containers to extend yours apps in Kubernetes without changing their code.

More: https://learnk8s.io/sidecar-containers-patterns

Master Kubernetes with this a 4-day Advanced Kubernetes workshop on the 9th of June (next week)!

What should you expect?

- Learn how to architect and design clusters from the ground up (in the cloud or on-prem).
- Explore the Kubernetes internal component and how the system is designed with resiliency in mind.
- Deep-dive into the networking components and observe the packets flowing into the cluster.
- Hands-on labs to test the theory with real-world scenarios!


You can sign up here: https://learnk8s.io/online-advanced-june-2022

In this article, you will compare 7 tools to manage your Helm releases declaratively:

1. Flux Helm controller.
2. Argo CD.
3. Helmfile.
4. Captain.
5. Terraform Helm provider.
6. Orkestra.
7. Fleet.


More: https://helm.sh/blog/tools-to-manage-helm-declaratively

This GitHub action starts a k3s cluster of chosen version and sets KUBECONFIG to created cluster. This is helpful for testing applications/operators on top of a Kubernetes cluster.

More: https://github.com/debianmaster/actions-k3s

If you're challenged with maintaining a pile of YAMLs for your Kubernetes clusters, there is one more (advanced) language that could come to the rescue: Dhall.
In this article, you will learn how to use it to replace YAML.

More: https://blog.flant.com/dhall-language-for-kubernetes-manifests