As co-author of the official AWS Certified Solutions Architect Study Guide: Associate (SAA-C03) Exam, 4th Edition, I'm pretty picky when it comes to how I spend my time watching video training courses.

The Problem with Most Video Training

I've watched a lot of videos that are designed to help you pass the Solutions …

Here are the books I've authored or co-authored with David Clinton.

Amazon Web Services (AWS)

AWS Certified Cloud Practitioner Study Guide: CLF-C01 Exam

Set yourself apart by becoming an AWS Certified Cloud Practitioner. Click the book to view on Amazon.

For errata, click here.

AWS Certified Solutions Architect Study …

Here you'll find a list of my IT training courses.

Amazon Web Services (AWS)

Architecting for Operational Excellence on AWS

Architecting for Reliability on AWS

Architecting for Security on AWS

AWS Networking Deep Dive: Elastic Load Balancing (ELB)

AWS Networking Deep Dive: Route 53 DNS

AWS Networking Deep Dive: Virtual …

People use the term “operational excellence” in a lot of different ways. In its vaguest sense, it means continuous improvement as applied to operations. But you’re interested in what it means in the context of technology operations. And I’m here to tell you that it means automation.

Operational Excellence is one of the …

After years of manually upgrading my self-hosted WordPress installation, I decided it was finally time to apply some devops principles (namely automation) to this process.

I decided to use AWS Systems Manager (aka SSM). I started out by creating the following Command Document (which happens to be in YAML format because …

If you’ve ever created a private hosted zone in Route 53, you may have noticed it always assigns the same name servers:

1 ns-1536.awsdns-00.co.uk.
2 ns-0.awsdns-00.com.
3 ns-1024.awsdns-00.org.
4 ns-512.awsdns-00.net.

The numbers don’t seem to be coincidental.

1536 is the RFC number for “Common DNS Implementation …

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