Tutorials

Assess USB Performance While Exploring Storage Caching

The team here at the Dragon Propulsion Laboratory has kept busy building multiple Linux clusters as of late [1]. Some of the designs rely on spinning...
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15 Docker Commands You Should Know

In this article we’ll look at 15 Docker CLI commands you should know. If you haven’t yet, check out the rest of this series on Docker concepts, the...
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The Linux Command-Line Cheat Sheet

When coming up to speed as a Linux user, it helps to have a cheat sheet that can help introduce you to some of the more useful commands. In the...
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Exploiting systemd-journald: Part 1

This is part one in a multipart series (read Part 2 here) on exploiting two vulnerabilities in systemd-journald, which were published by Qualys on...
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Getting Started with Git: Terminology 101

Version control is an important tool for anyone looking to track their changes these days. It's especially helpful for programmers, sysadmins, and...
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Introductory Go Programming Tutorial

You've probably heard of Go. Like any new programming language, it took a while to mature and stabilize to the point where it became useful for...
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Linux Fu: Easier File Watching

In an earlier installment of Linux Fu, I mentioned how you can use inotifywait to efficiently watch for file system changes. The comments had a lot...
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Zipping Files on Linux: The Many Variations and How to Use Them

Some of us have been zipping files on Unix and Linux systems for many decades — to save some disk space and package files together for archiving....
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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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