Blog



It’s Time to Stop Using the Term Network Function Virtualization (NFV)

Posted on August 24

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I think it’s time to stop using the term “network function virtualization”. Why? Because it doesn’t exist, at least not in the way the term suggests. The term is a category error, and when people try to make sense of the term, confusion and frustration ensue. Think of it like this: what’s the difference between […]


Visual Studio Code as a PowerShell Integrated Scripting Environment

Posted on August 15

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I know what you’re thinking. “Why use Visual Studio Code instead of the PowerShell ISE?” Well, if you’re using Mac OS or Linux, you don’t have the option to use the PowerShell ISE natively. And that’s a problem if you want to take advantage of the cross-platform capabilities of PowerShell Core. In this article, I’ll […]


Why People Haven’t Adopted IPv6 (And Why You Should Learn It Anyway)

Posted on January 1

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It’s 2017, and if you haven’t learned IPv6 yet, well, you’re not the only one. In December 2016, IPv6 (as we know it today) turned 18 years old. Children who were in the womb when RFC 2460 was being drafted are now old enough to vote, get married, and purchase firearms in some states. In […]


You failed your CCNP exam. Now what?

Posted on December 18

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You took one of the Cisco CCNP Routing and Switching certification exams. You went to the exam center, sat down, and started the exam. About 2 hours later, you saw the dreaded news appear on the screen: You didn’t pass. I’ve failed certification exams in the past, so I can relate to the facepalm-worthy feeling […]


Fixing PowerShell’s Copy-Item “Access is Denied” Error

Posted on October 25

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Recently I needed a way to copy a certificate file from within a PowerShell session to another Windows machine without opening a nested PowerShell session. But I ran into a little snag along the way: Copy-Item‘s dreaded Access is denied error. Here’s my setup: A Windows 10 laptop, from which I’m remoting NC1, a Server […]