As someone who works in IT, I hear and read a lot of comments about science. One common but unfortunate claim is that “science is not about finding truth.” While I won’t get into the underlying philosophical reasons behind this claim, I do want to at least respond to it on its face. Etymology of the word “science” The …

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 …

Ready to get your AWS Certified Solutions Architect – Associate certification? Sybex has recently released the AWS Certified Solutions Architect Study Guide: Associate SAA-C01 Exam 2nd Edition, authored by David Clinton and myself. Go check it out!

2022 Update: If you want a clear technical explanation of the OSI model, click on the cover of my book CCNP Enterprise Certification Study Guide: Implementing and Operating Cisco Enterprise Network Core Technologies for a free preview of Chapter 1 which explains each layer of the OSI model in intricate detail. I …