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Free cybersecurity PDFs from Codelivly: Linux fundamentals, a hacker roadmap, cheat sheets for Linux and Metasploit, interview questions, a VPN guide and more. No payment needed, just check out and download the full PDF instantly.
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Advanced Linux System Admin Interview Questions
Master 100+ real-world Linux interview questions — from kernel tuning to DevOps automation. Perfect for System…
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AI for Hackers: A Beginner’s Guide to Machine Learning in Cybersecurity
You’ll also learn how to build an AI hacking lab using Python, PyTorch, Scikit-learn, and transformer…
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Hacker Roadmap: Hack Everything & Own the Web
Hacker Roadmap — A beginner-to-pro, hands-on guide to ethical hacking and career growth. Learn foundations (OS,…
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Linux CMD Cheatsheet – Quick, Practical, and Essential
Master the Linux command line with this compact cheat sheet — 60+ essential commands with examples…
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Linux Fundamentals: Beginner’s Guide for Cybersecurity
Master the Linux command line from absolute zero. Linux Fundamentals is a 53-page practical guide covering…
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Metasploit Cheatsheet
This Metasploit Cheatsheet gives you a quick, organized reference for all essential commands — from basic…
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Practical Malware Development Handbook for Red Teams
Move beyond automated tools and become a practitioner of your craft. Practical Malware Development Handbook for…
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The Cybersecurity Interview Bible – Master Every Question with Confidence
The Cybersecurity Interview Bible is a complete, structured, and practical guide designed to help students, professionals,…
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The Hacker Mindset
This is not a 400-page textbook. It's a lean, 50-page action plan designed for the curious,…
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The Ultimate Virtual Private Network (VPN) Guide
The Ultimate Virtual Private Network (VPN) Guide is your all-in-one handbook for online privacy and security.…
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Web Hacking Essentials: XSS & SQLi Pocket Guide
Web Hacking Essentials: XSS & SQLi Pocket Guide is your concise, action-oriented resource for mastering two of…
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