Jack Roper

Jack Roper is a highly experienced IT professional with close to 20 years of experience, focused on cloud and DevOps technologies. He specializes in Terraform, Azure, Azure DevOps, and Kubernetes and holds multiple certifications from Microsoft, Amazon, and Hashicorp. Jack enjoys writing technical articles for well-regarded websites.

License and certifications

  • HashiCorp Certified: Terraform Associate
  • CKA: Certified Kubernetes Administrator
  • Microsoft Certified: Azure Virtual Desktop Specialty
  • Microsoft Certified: Azure Developer Associate
  • AWS Certified Solutions Architect – Associate
CronJob in Kubernetes – Automating Tasks on a Schedule
Kubernetes17 min read

CronJob in Kubernetes – Automating Tasks on a Schedule

See how to define, schedule and run a CronJob in Kubernetes and K8s manifest files. The spec options, troubleshooting and examples.

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Recent posts

Guide to Kubernetes Liveness Probes with Examples
Kubernetes14 min read
Guide to Kubernetes Liveness Probes with Examples

Defining probes correctly can improve pod resilience and availability. Take a look at liveness probes in Kubernetes, with some useful examples.

Using Kubectl Exec Command: Connect to Kubernetes Containers
Kubernetes7 min read
Using Kubectl Exec Command: Connect to Kubernetes Containers

Learn how to use the kubectl exec command to get into a Pod bash shell of running container in your Kubernetes (K8S) cluster.

How to Delete Pods from a Kubernetes Node with Examples
Kubernetes9 min read
How to Delete Pods from a Kubernetes Node with Examples

Learn how to delete a pod from a Kubernetes (K8S) node with examples using a cluster running on AKS. See different ways how to achieve it.

How to View Kubernetes Pod Logs Files With Kubectl
Kubernetes7 min read
How to View Kubernetes Pod Logs Files With Kubectl

The kubectl logs command enables you to access logs from your resources. Learn how to obtain logs from your pods.

Troubleshoot and Fix Kubernetes CrashLoopBackoff Status
Kubernetes9 min read
Troubleshoot and Fix Kubernetes CrashLoopBackoff Status

Learn how to spot Kubernetes CrashLoopBackoff error, how to fix it, and see some reasons why it might occur.

What is Azure DevOps? Services, Advantages & Tutorial
General16 min read
What is Azure DevOps? Services, Advantages & Tutorial

Learn what Azure DevOps is and what it is used for. Check how you can set it up and discover core Azure DevOps services.

Kubectl Apply vs. Kubectl Create – What’s the Difference?
Kubernetes8 min read
Kubectl Apply vs. Kubectl Create – What’s the Difference?

Using both kubectl apply and kubectl create can be useful in different situations. Take a look at the AKS usage example.

How to Restart Kubernetes Pods With Kubectl
Kubernetes7 min read
How to Restart Kubernetes Pods With Kubectl

There is no kubectl restart [podname] command for use with Kubernetes. Learn different ways to achieve a pod ‘restart’ with kubectl.

Kubernetes Ingress with NGINX Ingress Controller Example
Kubernetes12 min read
Kubernetes Ingress with NGINX Ingress Controller Example

Explore the Kubernetes Ingress object and see a step-by-step tutorial on how to configure an NGINX Ingress on AKS.

Using Terraform fmt Command to Format Your Terraform Code
Terraform10 min read
Using Terraform fmt Command to Format Your Terraform Code

The Terraform fmt command is used to format your configuration files into a canonical format and style. Learn how it can keep your code consistent.

The Terraform AWS Provider – Authenticate Terraform to AWS
Terraform11 min read
The Terraform AWS Provider – Authenticate Terraform to AWS

What is Terraform AWS provider? Learn how to authenticate using parameters in the provider configuration options and using environment variables.

Enable Auto-Completion for Kubectl [Bash, Zsh, PowerShell]
Kubernetes6 min read
Enable Auto-Completion for Kubectl [Bash, Zsh, PowerShell]

In this step-by-step tutorial, you’ll learn how to enable kubectl autocomplete for Linux Bash, Zsh, and PowerShell.

Kubectl Cheat Sheet – 15 Kubernetes Commands & Objects
Kubernetes18 min read
Kubectl Cheat Sheet – 15 Kubernetes Commands & Objects

See the helpful list of each commonly used category or component of Kubernetes (K8S) with appropriate kubectl commands for quick reference!

8 Different Types of Kubernetes Deployment Strategies
Kubernetes13 min read
8 Different Types of Kubernetes Deployment Strategies

Delve into different Kubernetes (K8s) deployment strategies. Take a look at the advantages and disadvantages of each of them.

Managing Terraform State – Best Practices & Examples
Terraform17 min read
Managing Terraform State – Best Practices & Examples

Learn how to manage Terraform State. See best practices for storing, organizing, and isolating your state files.

Terraform Resource Lifecycle Meta-Argument [Examples]
Terraform9 min read
Terraform Resource Lifecycle Meta-Argument [Examples]

Take a look at the default behavior of the Terraform resource lifecycle and how the lifecycle meta-argument can allow you to customize that behavior.

What Is a Kubernetes Cluster? Key Components Explained
Kubernetes12 min read
What Is a Kubernetes Cluster? Key Components Explained

What is a Kubernetes cluster in simple terms? See the foundation of K8s operations and the components of the master node and worker nodes.

Terraform Providers Overview & How To Use Them
Terraform15 min read
Terraform Providers Overview & How To Use Them

Why do you need Terraform Providers? Learn how they can be used and referenced. Take look at some of the available providers with examples.

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