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Ethan Banks

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Free Networking Lab Images From Arista, Cisco, nVidia (Cumulus)

Ethan Banks · 12 minutes to read
Published March 30, 2021 · Updated May 3, 2022

Here’s my current list of no cost, minimal headache, easily obtainable networking images that work in a virtual lab environment such as EVE-NG or GNS3. My goal is to clearly document what these images are and how to obtain them, as this data is less obvious than I’d like.

Don’t Be Complex When Simple Will Do

Ethan Banks · 4 minutes to read
Published March 29, 2021 · Updated March 29, 2021

We love shiny things. Sometimes, we work with technologies not because our company needs them, but because we want to put new skills on our resumes. Sometime when faced with a problem, we’ll default to how we solved it last time, rather than analyzing the new situation to see what’s most appropriate. We care more than the business does at times, because our switches and our servers and our cloudy constructs become pets we cherish and teach tricks to so we can show off to others. Our designs become laws. This is the way.

You Can’t Think If You’re Always Thinking

Ethan Banks · 3 minutes to read
Published March 26, 2021 · Updated March 26, 2021

My mind brings revelations to the surface when I’m out in the woods hiking, biking, or running, as I rarely listen to media when I’m out there. (It’s the bears, you see. Gotta listen for those bears.) So, why don’t I create more quiet time for myself?

New Tech Skills In Two Hours

Ethan Banks · 3 minutes to read
Published March 22, 2021 · Updated March 23, 2021

How long does it take to learn a new skill? It’s like…a really long time, right? You never have that much time to learn whatever it is. Most people who learn new skills are dedicated super humans who put in 25 hour days doing labs and reading books and taking courses and sniffing markers. Those folks sacrifice everything to stay ahead and earn the tough certs. Right? Isn’t that how it’s supposed to work? Don’t overthink it.

Buying Used Cisco Gear From eBay For Your Lab

Ethan Banks · 4 minutes to read
Published March 17, 2021 · Updated June 21, 2021

While most of the lab work I do is with virtualized networking gear, once in a while, I need actual hardware. For instance, to fully explore QoS, hardware is key. Many QoS commands won’t be available to you in a virtual network device. eBay offers lots of older networking gear for pennies or even fractions of a penny of what the gear was worth new. Why so cheap? Mostly, older networking gear is too slow for modern LANs and WANs. That’s a win for learners who don’t care about the speed as long as they can still use the old box to learn the fundamentals of routing and switching. There are caveats to eBay networking gear, though, not unlike buying a used car. Know what you’re getting into.

Jassy’s Replacement At AWS Matters

Ethan Banks · 11 minutes to read
Published February 9, 2021 · Updated February 9, 2021

As Andy Jassy takes over the CEO role at Amazon, the question is asked, “Does it matter who takes over at AWS, the position Jassy is vacating?” The idea is that AWS is such a dominant force in public cloud, an untrained monkey could sit at the helm and AWS would continue printing billions of dollars. So who cares who replaces Jassy? Whoever the new human is, they can’t get it wrong. That might be exactly right, but for the thought exercise, I decided to go a different direction. For purposes of this opinion article, I choose to entertain the idea that Jassy’s replacement does matter, and matters a lot.

The Dystopian Reality Of Human Data Trafficking

Ethan Banks · 3 minutes to read
Published February 1, 2021 · Updated February 1, 2021

Amazon Alexa wants me to know that they celebrate International Data Privacy Day. I’m awestruck at the chutzpah of this claim. Reviews of a Samsung smart television I’m considering express frustration at the crapware loaded onto the system because it is difficult to navigate and tracks viewing habits. An app I need for my Mac immediately requests access to my Documents and Downloads folders for no obvious reason. Denying the request has no impact on the functioning of the app. Are we not living in the dystopia foretold by Ray Bradbury, Aldous Huxley, and others?

The Attention Economy And The IT Talent Dearth

Ethan Banks · 5 minutes to read
Published January 12, 2021 · Updated June 21, 2021

Technology mastery will be increasingly in the hands of the very few as a dwindling number of folks are willing, or perhaps even able, to create a mental state of focused learning. The application delivery stacks are enormously more complex than they were 25 years ago. Learning them requires a huge amount of focus over long periods of time.

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