Quick Reference Cards

Developer & Security Cheatsheets

Click any card to open a full, in-depth reference manual with command flags, copyable snippets, and production use-cases.

nmap-cheatsheet.sh

🛡️ Nmap Port Scanner & Pentesting

nmap -sC -sV -oA nmap/initial <target_ip>

Aggressive default script scan + service versioning.

Open Full Guide →

docker-cheatsheet.cmd

🐳 Docker & Compose Stack

docker-compose up -d --build

Build and launch multi-container stack in background.

Open Full Guide →

git-cheatsheet.bash

⚙️ Git Commands & Rebase

git log --oneline --graph --all

Visual git commit history tree.

Open Full Guide →

linux-sysadmin.sh

🐧 Linux & SysAdmin Ops

journalctl -u nginx -f --since "1 hour ago"

Real-time live systemd service log stream.

Open Full Guide →

🔒 OWASP Top 10 Web Security

Content-Security-Policy: default-src 'self';

Mitigate XSS & malicious code injection vulnerabilities.

Open Full Guide →

java-springboot.java

☕ Java 21 & Spring Boot 3

Executors.newVirtualThreadPerTaskExecutor()

Java 21 Virtual Threads (Project Loom) concurrency.

Open Full Guide →

← Return to Developer Tools Hub