This repository contains summarized notes, demo scripts, and the completion certificate for the Linux 100: Fundamentals course by TCM Security.
All notes are written in Markdown and organized by topic:
- 🔧
user-add-del.sh– Add/delete Linux users - 🔧
file-perm-example.sh– File permission test
| Lesson | Screenshot |
|---|---|
| 📘 Introduction |  |
| 🐧 Linux Basics |  |
| 🧪 Lab Setup |  |
| ✅ Course Conclusion |  |
"Linux 100: Fundamentals" by TCM Security is a beginner-friendly course that covers core Linux topics through both theoretical lessons and hands-on demos. Below is my brief review after completing the course.
✅ What I Liked
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Clear and concise content – Easy to follow, even for those new to Linux
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Practical demonstrations – Useful CLI examples, not just theory
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Security-focused mindset – Highlights privilege, file permissions, and service hardening
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Beginner to junior-friendly – A great starting point for ethical hacking, sysadmin, and CTF
📌 What Could Be Improved
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More interactive challenges or exercises per lesson
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Some topics (e.g., systemd, cron) could be slightly expanded
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I highly recommend this course to anyone starting their journey in:
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Cybersecurity
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Ethical Hacking (Red Team)
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System Administration
💡 Recommended for: Absolute beginners or Windows users switching to Linux
- All exercises were run in a local Linux VM
- Course from: TCM Security
- Learning focus: CLI practice, privilege management, and foundational networking
Thành Danh – Pentester & Cybersecurity Research
GitHub: @ngvtdanhh
Email: ngvu.thdanh@gmail.com
This project is licensed under the terms of the GNU AGPL v3.0.
See LICENSE for full details.
© 2025 ngvtdanhh. All rights reserved.