If you're not familiar with RSS (really simply syndication), it's quick a way to get all of your favorite websites and social feeds in one place. It can also help save your sanity because you don't have to suffer through ads while scrolling through multiple sites.

You just download an RSS program and point it to the …

How do you find a needle in a haystack?

Suppose you have a big data set consisting of various types of data including phone numbers, email addresses, user identifiers, addresses, etc. Within this dataset you need to pick out specific strings. Normally this would be easy:

grep -air -e mystring -e anotherstring and …

Subnetting has traditionally been the bane of every networking student's existence. But it doesn't have to be. I'll show you a quick and simple way to subnet in your mind in just seconds. Once you see how it's done in this video, you'll never need to go back to paper and pen or any of those online subnetting …

Many moons ago, I told you that blockchain was a passing fad, and that the only meaningful use of blockchain technology was cryptocurrency (a la Bitcoin). Over 4 years later, my prediction turned out to be true. But this is not an "I told you so post." Rather, it's a warning.

Cyptocurrencies have exploded in …

Whether you prefer to read or watch a video, here are some AWS certification training resources I've put together for you.

Study Guides

The following study guides include hundreds of assessment questions and answers as well as online access to graded practice exams.

The AWS Certified Solutions Architect Study Guide: …

About three years ago, the following phrase popped into my head:

"Social media is making you have stupid opinions."

Now that's obviously not directed at you, and when I had the thought it wasn't about anyone in particular. It was more of a general observation that social media is antithetical to critical …