All posts by Jack Roper - Infrastructure as Code Expert

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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

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.

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Recent posts

What is Azure DevOps? Services, Advantages & Tutorial

Azure16 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

Kubernetes14 min read

Kubernetes Ingress with NGINX Ingress Controller Example

Explore the Kubernetes Ingress controllers and see step-by-step examples of how to configure an NGINX Ingress on AKS and Minikube.

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.

Terraform AWS Provider: How to Use & Examples

Terraform14 min read

Terraform AWS Provider: How to Use & Examples

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]

Terraform8 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.

Cloud Deployment Models – Types, Comparison & Examples

General14 min read

Cloud Deployment Models – Types, Comparison & Examples

Learn about types of cloud deployment models. Check cloud deployment model examples with a detailed comparison.

How to Use Terraform Join and Split Functions with Strings

Terraform5 min read

How to Use Terraform Join and Split Functions with Strings

There are many built-in functions available for use with Terraform. Learn what the join and split functions in Terraform do and see examples.

Terraform Apply – When to Run & Quick Usage Examples

Terraform16 min read

Terraform Apply – When to Run & Quick Usage Examples

Terraform apply is a core command in the Terraform workflow. See what is it used for, available options & examples. Auto approve explained.

CI/CD Pipeline : Everything You Need To Know

General19 min read

CI/CD Pipeline : Everything You Need To Know

What makes a good CI/CD pipeline? Take a closer look at the pipeline stages and some examples relating to Terraform.

17 Kubernetes Best Practices Every Developer Should Know

Kubernetes19 min read

17 Kubernetes Best Practices Every Developer Should Know

Follow the best practices for Kubernetes listed in this article for painless and efficient maintenance of your K8s cluster.

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