Tutorials

Secure Nginx with Let's Encrypt on Debian 9

Let’s Encrypt is a free and open certificate authority developed by the Internet Security Research Group (ISRG). Certificates issued by Let’s Encrypt...
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Your First Machine Learning Project in Python Step-By-Step

Do you want to do machine learning using Python, but you’re having trouble getting started? In this post, you will complete your first machine...
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Using more to View Text Files at the Linux Command Line

There are a number of utilities that enable you to view text files when you're at the command line. One of them is more. more is similar to another...
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How To Delete a Local and Remote Git Branch

Branches are part of the everyday development process and one of the most powerful features in Git. Once a branch is merged, it serves no purpose...
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4 Ways To Calculate A Running Total With SQL

Calculating a running total/rolling sum in SQL is a useful skill to have.  It can often come in handy for reporting and even when developing...
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Custom Linux Installations

Customize your Linux installation and gain working knowledge of your system at the same time. Most Linux users are content with a standard...
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Machine learning already affects the way we live, make choices, and get entertained.

How Machine Learning Will Change Software Development

Artificial intelligence (AI) is not sci-fi anymore; machines have made their way into our lives with ever-increasing importance. Today, humans are...
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Your First Machine Learning Project in R Step-By-Step

Do you want to do machine learning using R, but you’re having trouble getting started? In this post you will complete your first machine learning...
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Working with the Container Storage Library and Tools in Red Hat Enterprise Linux

How containers are stored on disk is often a mystery to users working with the containers. In this post, we’re going to look at how containers images...
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High Reliability Infrastructure Migrations

On Tuesday I gave a talk at KubeCon called High Reliability Infrastructure Migrations. The abstract was: For companies with high availability...
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