Djere.com
  • Core
  • GNU/Linux
  • Certifications
  • Podcasts
  • Our Work
  • Search
  • Tags

certifications (48)

October 22, 2025

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…

  • Full Story
October 18, 2025

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)…

  • Full Story
October 15, 2025

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…

  • Full Story
October 6, 2025

RHCSA (026B): Season 2 - Scenario 1 of 25: Multi-Role Staging Environment Provisioning

Executive Summary This RHCSA practice scenario details the complete provisioning of a secure, multi-role staging environment for a new application. The exercise is…

  • Full Story
September 17, 2025

Supercharging my RTX 3060 with the Solar 10.7B Local Large Language Model

Executive Summary At Djere Services Group, we love all aspects of technology, especially those related to Free Software and open-source. I was recently…

  • Full Story
September 12, 2025

 RHCSA(026A): Locking Down Your RHCSA Linode Lab Server

Executive Summary To secure and maintain your RHCSA practice environment, this guide outlines a three-pronged approach: 1. network-level security, 2. instant system resets,…

  • Full Story
Previous 1 2 3 4 5 6 7 8 Next
  • © 2025 Djere.com
  • Website CMS by Publii