The RHCSA Series Podcast (Season 2)
The RHCSA Series Podcast Produced by Djere Services Group Free Software used for video production Shotcut The Season 1 mp3 files are available…
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…
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…
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…
Computer Programming in GNU/Linux: The Differences and Similarities Between the Stack and the Heap
Executive Summary This article provides a comprehensive analysis of the stack and the heap, the two primary memory regions used by a program…
The Histories, Similarities and Differences of the APT and DNF GNU/Linux Package Managers
Executive Summary I wrote this article to present and compare two of the most dominant package management systems in the GNU/Linux world: APT…
The History, Strengths, and Weaknesses of the EXT4 Filesystem on GNU/Linux
Executive Summary I wrote this article to research and present the Fourth Extended Filesystem (EXT4), the default filesystem for many GNU/Linux distributions. The…