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gnulinux (146)

November 12, 2025

RHCSA (027): Season 2 - Scenario 2 of 25: Application Directory Cleanup and Re-structuring

Executive Summary This Episode 27 RHCSA GNU/Linux Lab is focused on essential file system management and application deployment tasks. The primary scenario involves…

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November 2, 2025

Using Generative AI to Help Build Anki Flashcards to Study for the RHCSA Exam

Executive Summary Passing the RHCSA exam requires the complete memorization of many GNU/Linux commands, a goal best achieved through a dual strategy of…

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October 31, 2025

Enhancing an RHCSA Candidate's Cardiovascular Fitness Using the Minutely Peak Method

Executive Summary Health Note: Please talk to your doctor before you try what I'm proposing in this video/article to make sure that your…

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October 29, 2025

Why An RHCSA Candidate Must Completely Master SELinux

Executive Summary Security-Enhanced Linux, or SELinux, is a critical and misunderstood mandatory access control system that is foundational to the Red Hat Certified…

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October 29, 2025

An RHCSA-Based Overview of Firewalls on RPM and Debian-Based Computer Systems

Executive Summary This video/article provides a focused overview of firewall technology in GNU/Linux, specifically tailored for candidates preparing for the Red Hat Certified…

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October 27, 2025

What a Successful RHCSA Candidate Must Master in the Vi/Vim and Nano Text Editors

Executive Summary This video and article emphasize that proficiency in a command-line text editor is a non-negotiable skill for passing the Red Hat…

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