Learning Linux and transitioning into defensive cybersecurity (Blue Team / SOC Analyst) can be overwhelming.
Most tutorials stop at basic commands like ls, cd, and grep, while real-world SOC workflows (analyzing auth logs, writing detection rules, investigating phishing headers, mapping threats to MITRE ATT&CK) require complex virtual machines and expensive enterprise tools.
To bridge this gap, I built Linux SOC Handbook (My Linux Journey) — a free, interactive, zero-setup platform running 100% in your browser.
⚡ What is the Linux SOC Handbook?
It is a full 365-day structured curriculum paired with a 456-page Advanced SOC guide, live browser labs, a terminal emulator, threat intelligence lookups, and career interview prep.
🔗 Live App: https://my-linux-journey.vercel.app/
⭐ GitHub: https://github.com/Samrudh2006
🛠️ Key Features Breakdown
1. 📖 Dual Master Handbooks (800+ Pages)
- 365-Page Linux Handbook: Covers kernel architecture, process management, memory forensics, permissions, bash automation, and networking fundamentals.
- 456-Page Advanced SOC Guide: Deep dives into SIEM operations, Blue Team incident response, log telemetry, threat hunting, and digital forensics.
2. 🛡️ Live In-Browser SOC & Threat Labs
You don't need to spin up a heavy VirtualBox or Docker container to practice. The platform includes live browser simulators:
- 🔍 Log Parser Lab: Parse and extract anomalies from Syslog, Auth logs, and Apache/Nginx web logs.
- 🚨 Incident Labs: Step-by-step walkthroughs of live breach scenarios.
- 🛡️ Hardening Audit: Audit Linux server configurations against CIS benchmark standards.
- 📧 Phishing Inspector: Analyze raw email headers, SPF/DKIM/DMARC records, and malicious attachments.
- 🔑 Active Directory Log Lab: Analyze Kerberoasting and brute-force events (Event IDs 4624, 4625, 4768).
- ⚡ SOAR Playbooks: Automated triage and containment playbooks.
3. 📊 Threat Intel & MITRE ATT&CK Matrix
- Interactive MITRE ATT&CK Enterprise Matrix navigation.
- Live IOC Lookup (IP, Domain, File Hash reputation checkers).
- Instant Quick Cheat Sheets for on-the-job command reference.
4. 🎯 Career & Certification Prep
- 200+ Curated SOC Analyst Interview Questions with detailed architectural answers and real-world triage scenarios.
5. 💻 Interactive Developer Experience
- Built-in Live Terminal Simulator: Test commands right inside the page.
- Audio Voice Notes: Listen to page explanations on the go.
- Export to PDF & Offline PWA: Install on your phone or desktop and study offline.
💡 Example: Analyzing Auth Logs for Brute-Force Attacks
Here's a quick taste of the Linux log analysis techniques taught in the handbook:
bash
# Find top 10 IP addresses with failed SSH login attempts
grep "Failed password" /var/log/auth.log | awk '{print $(NF-3)}' | sort | uniq -c | sort -nr | head -10
# Detect users created with UID 0 (backdoor root users)
awk -F: '($3 == "0") {print $1}' /etc/passwd
# Check for open listening ports and associated processes
ss -tulpn
🚀 How to Try It
Everything is free and accessible with no login required:
👉 Explore the Platform: my-linux-journey.vercel.app
I would love to hear feedback from the DEV community!
What defensive labs or security tools would you like to see next?
Are you currently studying for CompTIA Security+, CySA+, BTL1, or Junior SOC roles?
Drop your thoughts and questions in the comments below! 👇
