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…
Rex Djere (741)
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…
Strategies to Pass the RHCSA Exam on the 1st Attempt with a Perfect Score of 300
Executive Summary This guide provides a comprehensive strategy for achieving a perfect score of 300 on the Red Hat Certified System Administrator (RHCSA)…
Mastering the GNU/Linux nmtui Command for the RHCSA Exam
Executive Summary I wrote this article to give RHCSA candidates a crucial strategic advantage for their exam. My goal is to demonstrate how…