🐧 30-Day Linux for Hackers

Welcome to the 30-Day Linux for Hackers course — a hands-on guide designed to build your Linux skills from zero to pro, with a hacker’s mindset.

📅 Structured into 30 daily lessons
💻 Real commands, tasks, and scripting exercises
🎯 Focused on cybersecurity, CTFs, red teaming, and automation

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📌 Who Is This For?

• Aspiring ethical hackers
• Bug bounty hunters
• Penetration testers
• Anyone transitioning into cybersecurity
• Developers who want to master Linux internals

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🧭 Table of Contents

day	Topic
1	Introduction & Why Linux Matters in Hacking
2	Basic File Navigation in Linux
3	Understanding Linux File Permissions
4	Users, Groups, and Privilege Escalation Basics
5	Linux Package Managers & Dependency Abuse
6	Introduction to Bash Scripting
7	Bash Variables, Arguments & Dynamic Scripting
8	Environment Variables & .bashrc Abuse
9	Processes, Services & Enumeration
10	Cron Jobs: Scheduled Tasks & Exploitation
11	SSH: Secure Shell Access & Abuse
12	File Permissions & Privilege Escalation Basics
13	Environment Variables & PATH Hijacking
14	Logs & System Auditing
15	Networking Fundamentals for Hackers
16	Firewalls & Packet Filtering (iptables & ufw)
17	Secure Shell (SSH) & Tunneling Tricks
18	Linux Kernel & Exploit Basics
19	Linux Persistence Techniques
20	Linux Services & Daemon Exploitation
21	Linux Capabilities & Exploitation (Beyond SUID)
22	Advanced Persistence: systemd timers, user services & kernel modules
23	Containers & Docker Exploitation
24	Host-based Monitoring: auditd & osquery
25	Linux Forensics & Incident Response Basics
26	Automating Linux Privilege Escalation Checks
27	Linux Hardening & Auditd , Monitoring , Output Redirection, Logging for Hackers
28	Linux Network Sniffing & Packet Capture for Hackers
29	Linux Memory Analysis & Credential Hunting (ProcFS & Live Processes)

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🛠 Skills You’ll Build

• Linux terminal fluency
• Bash scripting for automation
• Network scanning & service enumeration
• Privilege escalation techniques
• System internals & attack surface understanding
• Red teaming utilities and stealth

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📂 How to Use This Repo

• Clone this repo or browse daily folders
• Complete the task for each day
• Take notes, experiment, and modify examples
• Ask questions and share ideas in the community

📣 Follow Us for More

💬 Join our Telegram channel for exclusive tools, payloads, and CVE content:
👉 https://t.me/cybersecplayground

📺 Watch walkthroughs & tutorials on YouTube:
👉 https://youtube.com/@cybersecplayground

🔗 Explore more on GitHub:
👉 https://github.com/cybersecplayground

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🔐 Stay curious, stay dangerous.