Kubernetes (K8S) articles!

6 min readSep 15, 2022

Here’s a list of all the Kubernetes-related articles I’ve published on my blog. I keep this page updated with any new articles I publish on Kubernetes so feel free to bookmark it, hope they help you out and enjoy!

My K8S articles in order of publishing date (newest first). Current total: 46

How to Use Kubectl Port-forward in Kubernetes Applications

In this article, we will look at how to use thekubectl port-forward to setup port forwarding to your applications…

jackwesleyroper.medium.com

Kubernetes Dashboard

In this article, we will explore the Kubernetes (K8s) dashboard, explain what it is, and what it includes, before…

jackwesleyroper.medium.com

Exit code 127 in Kubernetes

In this article we will take a look into the exit code 127 in Kubernetes (K8s), explaining what it is, what the common…

itnext.io

Kubernetes Readiness Probe

Guide & Examples

blog.devops.dev

Kubectl cp — How to Copy File From a Pod to Local

In this article, we will look at the kubectl cp command, its definition, and syntax, before showing how to use it to…

itnext.io

How to Stop and Remove Docker Containers

In this short article, we will take a look at how to perform various useful command line operations in Docker, showing…

blog.devops.dev

How to Use Kubectl Delete Deployment in Kubernetes

Examples & Tricks

medium.com

Using Terraform Helm Provider to Deploy Applications

In this article, we will use Terraform to show how to deploy applications using the Helm provider to provision…

itnext.io

What is Kubernetes Load Balancer?

In this article, we will delve into load balancing in Kubernetes and explain the various available types, before…

itnext.io

How to Fix OOMKilled Kubernetes Error (Exit Code 137)

In this article, we will look at the common OOMKilled error in Kubernetes, also denoted by exit code 137, learn what it…

itnext.io

CKA Exam Tips

I recently passed the CKA exam, so wanted to share some tips! The time allowed is 120 minutes for the CKA exam, so it…

medium.com

9 Container Security Best Practices & Solutions

In this article, we will delve into some best practices, tips, and tricks for securing your containers and Kubernetes…

itnext.io

Manage and deploy Kubernetes Resources with Terraform

Ditch the YAML and use the Terraform Kubernetes Provider!

faun.pub

What are Kubernetes Custom Resource Definitions (CRDs)?

How to create a CRD and why use them?

medium.com

Provision Azure Kubernetes Service (AKS) Cluster using Terraform

In this article, we will show how to create an AKS cluster on Azure using Terraform, with just 4 lines of code!

faun.pub

Working with Kubernetes Namespaces

In this short article, we will take a look at namespaces in Kubernetes, explain what they are and how to create them on…

faun.pub

OpenShift vs. Kubernetes: What is the Difference?

In this article, we will examine and point out some of the differences between 2 popular container orchestration…

itnext.io

CronJobs in Kubernetes — Automating Tasks on a Schedule

A guide to automating tasks on a schedule in K8S!

faun.pub

Kubernetes Liveness Probes

A guide to K8S Liveness Probes

faun.pub

How to Delete Pods from a Kubernetes Node

…and avoid downtime!

itnext.io

How to View Kubernetes Pod Logs With Kubectl

Viewing logs in Kubernetes (K8S) is important for troubleshooting and understanding what is happening in the various…

itnext.io

Kubernetes CrashLoopBackoff Status

Troubleshoot and fix the error!

itnext.io

Kubectl Apply vs. Kubectl Create

What’s the difference?

faun.pub

How to Restart Kubernetes Pods With Kubectl

A pod is the smallest unit in Kubernetes (K8S). They should run until they are replaced by a new deployment. Because of…

itnext.io

Kubernetes Ingress & Examples

Setup NGINX on Azure Kubernetes Service

itnext.io

Enable auto-completion for Kubectl in a Linux bash shell

In this short post, we will demonstrate how to install kubectl, setup up auto-completion, and set an alias for kubectl…

medium.com

Kubernetes cheat sheet

Cut to the chase!

itnext.io

Kubernetes Deployment Strategies

Deploy to K8S like a pro!

faun.pub

What is a Kubernetes Cluster?

In this article, we will briefly take a look at what Kubernetes is, (abbreviated as K8S), and explain what a K8s…

faun.pub

Kubernetes Best Practices

16 Best practices with examples and tips for successful K8s management!

itnext.io

Access control in AKS (Role-based access control RBAC)

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Securing your AKS application with HTTPS, using Azure Application Gateway & Let’s Encrypt

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Creating Terraform for an AKS Cluster with Opta

Automatically generate Terraform code!

blog.runx.dev

Monitoring Azure Kubernetes Service (AKS)

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Kubernetes Helm Error: UPGRADE FAILED: another operation (install/upgrade/rollback) is in progress.

The error

medium.com

Run WordPress on Azure Kubernetes Service (AKS) in just 8 commands

In this post, I will demonstrate how to create an AKS cluster on Azure, with a WordPress frontend, and MySQL backend…

faun.pub

Handling failures in Azure Kubernetes Service (AKS)

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Upgrading your application in Azure Kubernetes Service (AKS)

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Scaling your application in Azure Kubernetes Service (AKS)

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Installing WordPress on Azure Kubernetes Service (AKS) using Helm

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Application deployment on Azure Kubernetes Service (AKS) — Exposing a service and deploying…

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Application deployment on Azure Kubernetes Service (AKS) using a ConfigMap

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Application deployment on Azure Kubernetes Service (AKS) using a ConfigMap

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Application deployment on Azure Kubernetes Service (AKS)

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Getting started with Azure Kubernetes Service (AKS)

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

Introduction to Containers & Azure Kubernetes Service (AKS)

In a series of posts, I’ll attempt to explain how AKS can be used to automate the management, scaling, and deployment…

faun.pub

GitLab Runner Setup — CI/CD on AKS (Azure Kubernetes Service)

Runners are processes that pick up and execute jobs for GitLab. You can install the runner manually on a VM or…

faun.pub

I was pleased to pass the CKA exam in May 2023! If you would like to connect with me please reach out through LinkedIn.

CKA: Certified Kubernetes Administrator was issued by The Linux Foundation to Jack Roper.

Earners of this designation demonstrated the skills, knowledge and competencies to perform the responsibilities of a…

www.credly.com

https://training.linuxfoundation.org/certification/certified-kubernetes-administrator-cka/

If you are interested in Terraform check out my index of articles I’ve published on the subject here!