L337[df3581ce]SIGMA copyleftdev

🖤 The Evil 'Ol Hacker's One-Liner Cheat Sheet 🖤

1. 🌀 Fork Bomb (Denial of Service)

Recursively spawns processes until the system crashes.

:(){ :|: & };:  # 🧨 Boom!

CSS Selector Cheat Sheet with Advanced Bitwise Operators

Basic Selectors

Selector	Example	Description
`*`	`* { }`	Selects all elements
`elementname`	`p { }`	Selects all `<p>` elements
`.classname`	`.intro { }`	Selects all elements with class="intro"
`#idname`	`#firstname { }`	Selects the element with id="firstname"

Rust-Based Web Crawler with Kafka and PostgreSQL Integration - Design Specification

1. Introduction

1.1 Overview

This document outlines the design specification for a high-performance Rust-based web crawler integrated with Apache Kafka and PostgreSQL. The crawler will act as a worker within a distributed system, consuming URLs from Kafka topics, crawling the associated web pages, and storing the results in a PostgreSQL database. Docker Compose will be utilized to manage the infrastructure, ensuring seamless deployment and orchestration of the services.

1.2 Objectives

Develop a high-performance web crawler using Rust that integrates with Kafka and PostgreSQL.
Ensure scalable crawling of up to 10 million websites.

🔐 The Ultimate Guide to Managing Multiple SSH Keys

🚀 Basic Concepts

🔑 SSH keys consist of a public key and a private key
📂 Keys are typically stored in ~/.ssh/
🔒 Private keys should be kept secure and never shared
📤 Public keys are added to remote servers or services

📊 Creating SSH Keys

🔍 The Ultimate Grep Command Guide

🚀 Basic Usage

Command	Description	Example
`grep pattern file`	🔎 Search for a pattern in a file	`grep error logfile.txt`
`grep -i pattern file`	🔠 Case-insensitive search	`grep -i ERROR logfile.txt`
`grep -w word file`	🔤 Match whole words only	`grep -w error logfile.txt`
`grep -v pattern file`	❌ Invert match (show lines that don't match)	`grep -v success logfile.txt`

📜 The Ultimate Tail Command Guide

🚀 Basic Usage

Command	Description	Example
`tail file.txt`	📄 Display the last 10 lines of a file	`tail /var/log/syslog`
`tail -n 20 file.txt`	🔢 Display the last 20 lines of a file	`tail -n 20 /var/log/auth.log`
`tail -c 100 file.txt`	📏 Display the last 100 bytes of a file	`tail -c 100 /etc/passwd`

🐧 Linux Penetration Testing with GNU Utils: The Ultimate Cheat Sheet

DISCLAIMER: This information is for educational purposes only. Always obtain proper authorization before performing any penetration testing activities. Unauthorized testing is illegal and unethical.

🔍 Information Gathering

Command	Description	Example
`netstat`	🌐 Network connections, routing tables, interface statistics	`netstat -tuln`
`ss`	🔌 Socket statistics	`ss -tuln`

📊 Log Analysis Mastery: The Ultimate Cheat Sheet

📜 Basic Log Viewing

Command	Description	Example
`cat`	📄 Display entire log file	`cat /var/log/syslog`
`less`	📃 View log file with pagination	`less /var/log/auth.log`
`tail`	🔚 View end of log file	`tail /var/log/apache2/access.log`
`head`	🔝 View beginning of log file	`head /var/log/mysql/error.log`

🚀 GNU Parallel Mastery: The Ultimate Cheat Sheet

📊 Basic Usage

Command	Description	Example
`parallel echo ::: A B C`	🔤 Process items in parallel	Output: A, B, C (in any order)
`parallel echo {} ::: *.txt`	🔍 Use {} as placeholder	Echoes names of all .txt files
`cat file.txt \| parallel echo`	📥 Read input from stdin	Processes each line of file.txt
`parallel -j4 command ::: item1 item2 item3`	🔢 Limit to 4 jobs at a time	Runs 'command' on items, max 4 parallel

	[
	{
	"id": "cards_structure_seed_100_low_entropy",
	"category": "structure",
	"description": "Verify minimal card count at low entropy",
	"url": "https://proteus-target.vercel.app/lab/cards?seed=100&entropy=0.1&profile=structure",
	"parameters": {
	"seed": 100,
	"entropy": 0.1,
	"profiles": [