I’m trying out different services to import an AWS environment and turn it into a technically correct and aesthetically pleasing diagram. Surprisingly, although most of the services can correctly identify the resources, none of them are able to identify network connections. If you’re hoping for something to …

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 a …

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 …

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 honor of IPv6’s 18th birthday, allow me to …

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 …

If you have a home lab and don’t need vCenter, thee ESXi Embedded Host Client gives you web-based access to hidden features of your standalone ESXi host… without having to spin up a real vCenter server.

As most everyone knows, the old VMware vSphere C# client has been on its way out for years. One of the things keeping …

After upgrading my Lenovo ThinkPad to Windows 10, I was so pumped. The upgrade went smoothly, all my apps worked, but then I noticed something: some apps had blurry, fuzzy text.

Ugly, blurry, fuzzy text on Windows 10:

This might not bother some people, but to me it felt like trying to read a wet book with my glasses …

Still not convinced that you should learn Windows PowerShell? A popular conspiracy theory asserts that Russia used some awesome PowerShell tricks to hack the Democratic National Committee and get Donald Trump’s opposition research file.

While you shouldn’t (and hopefully won’t) use PowerShell for international …

The pre-release of my new book, Learn Cisco Network Administration in a Month of Lunches, is available from Manning Publications’ early access program.

The book is a tutorial designed for beginners who want to learn how to administer Cisco switches and routers. Set aside a portion of your lunch hour every day for a …

You can pass the CCNP R&S exams the first time, but it’s not as simple as just studying everything. Here are a few things to keep in mind when preparing…

The CCNP exams test CCNA-level skills and knowledge, too

That’s a good thing, because it helps weed out those who “brain dump” the exams. If you got lucky with …