### Install Git and Visual Studio Code

Source: https://blog.crea-troyes.fr/6210/homebrew-le-guide-complet-pour-debuter-facilement

Practical example demonstrating the installation of both a command-line tool (Git) and a graphical application (Visual Studio Code) using Homebrew.

```shell
brew install git
```

```shell
brew install --cask visual-studio-code
```

```shell
git --version
```

--------------------------------

### Install Software from Brewfile

Source: https://blog.crea-troyes.fr/6210/homebrew-le-guide-complet-pour-debuter-facilement

Installs all packages and applications listed in the Brewfile. This command automates the setup of multiple software components.

```bash
brew bundleCopier
```

--------------------------------

### Complete Project Setup with dotenv

Source: https://blog.crea-troyes.fr/8034/node-js-variable-denvironnement-fichier-env-et-dotenv

A full example of a Node.js server using dotenv to manage port and message configuration, demonstrating separation of configuration from code.

```env
PORT=5000
MESSAGE_ACCUEIL=Bienvenue sur mon super serveur Node.js
```

```javascript
require('dotenv').config();

module.exports = {
  port: Number(process.env.PORT),
  message: process.env.MESSAGE_ACCUEIL
};
```

```javascript
const express = require('express');
const config = require('./config');
const app = express();

app.get('/', (req, res) => {
  res.send(config.message);
});

app.listen(config.port, () => {
  console.log("Serveur lancé sur le port", config.port);
});
```

--------------------------------

### Install Software from a Brewfile

Source: https://blog.crea-troyes.fr/6210/homebrew-le-guide-complet-pour-debuter-facilement

Installs all software packages listed in a Brewfile. This is useful for automating the setup of development environments.

```bash
brew bundle
```

--------------------------------

### Node.js WebSocket Server Setup

Source: https://blog.crea-troyes.fr/6043/structurer-son-code-js-ou-php-a-limage-du-main-en-python

Initializes a Node.js project and installs the 'ws' module for creating a WebSocket server. This sets up the foundation for real-time communication.

```shell
mkdir ws-server && cd ws-server
npm init -y
npm install ws

```

--------------------------------

### Python Version Output Example

Source: https://blog.crea-troyes.fr/15110/jwt_tool-cli-analyser-les-jwt-ou-json-web-tokens

Example output showing the installed Python version. Ensure you have a compatible version installed before proceeding with jwt_tool installation.

```bash
Python 3.12.2
```

--------------------------------

### Create and Initialize Project

Source: https://blog.crea-troyes.fr/5991/coder-un-portfolio-avec-ollama-et-lia-en-local

Set up a new project directory, initialize it as a Git repository, and create essential frontend files.

```bash
# 3) Créer le projet
mkdir mon-portfolio && cd mon-portfolio
git init
touch index.html styles.css script.js README.md
```

--------------------------------

### GET Request for All Exercises

Source: https://blog.crea-troyes.fr/12484/endpoint-definition-simple-exemples-et-fonctionnement

Example of a GET request to retrieve all exercises from the API.

```http
GET /api/exercices
```

--------------------------------

### Test WhatWeb Installation

Source: https://blog.crea-troyes.fr/8666/whatweb-cli-analysez-les-technologies-utilisees-dun-site

Run a basic test to ensure WhatWeb is installed and working. This command analyzes the technologies used by 'example.com'.

```bash
ruby whatweb example.com
```

--------------------------------

### GET Request for Specific Exercise

Source: https://blog.crea-troyes.fr/12484/endpoint-definition-simple-exemples-et-fonctionnement

Example of a GET request to retrieve a specific exercise by its ID.

```http
GET /api/exercices/1
```

--------------------------------

### GET Request for Users

Source: https://blog.crea-troyes.fr/12484/endpoint-definition-simple-exemples-et-fonctionnement

Example of a GET request to retrieve a list of users from an API endpoint.

```http
GET /api/users
```

--------------------------------

### Installer Web3.js

Source: https://blog.crea-troyes.fr/7267/comment-lire-et-ecrire-sur-la-blockchain-depuis-un-site-web

Installez la bibliothèque Web3.js pour interagir avec la blockchain Ethereum depuis votre projet Node.js.

```bash
npm init -y
npm install web3Copier
```

--------------------------------

### HTTP GET Request Example

Source: https://blog.crea-troyes.fr/14754/httpie-tutoriel-debutant-pour-lalternative-a-curl

Fetches data from a specified URL using the GET method. HTTPie automatically defaults to GET if no method is specified.

```shell
http GET https://jsonplaceholder.typicode.com/posts/1Copier
```

--------------------------------

### Create and Navigate to Tools Directory

Source: https://blog.crea-troyes.fr/8666/whatweb-cli-analysez-les-technologies-utilisees-dun-site

Prepare your environment by creating a dedicated directory for tools and navigating into it. This helps organize your projects.

```bash
mkdir -p ~/tools
cd ~/tools
```

--------------------------------

### Start MySQL Service

Source: https://blog.crea-troyes.fr/9069/20-packages-homebrew-essentiels-pour-developpeur-web

Starts the MySQL service managed by Homebrew. This command is used after MySQL has been installed.

```bash
brew services start mysqlCopier
```

--------------------------------

### Installer setuptools compatible

Source: https://blog.crea-troyes.fr/12680/shodan-cli-tutoriel-pour-utiliser-shodan-depuis-le-terminal

Assure la compatibilité de setuptools pour l'installation de Shodan CLI.

```bash
~/.local/pipx/venvs/shodan/bin/python -m pip install "setuptools<70"
```

--------------------------------

### Install a Recon-ng Module from Marketplace

Source: https://blog.crea-troyes.fr/14233/recon-ng-le-guide-complet-pour-debuter-efficacement

Install a new module from the Recon-ng marketplace to extend its capabilities. This example installs a module for finding subdomains via Google.

```bash
marketplace install recon/domains-hosts/google_site_web
```

--------------------------------

### Créer un nouveau projet SvelteKit

Source: https://blog.crea-troyes.fr/6296/tutoriel-svelte-framework-codez-une-application-web-en-spa

Utilisez cette commande pour initialiser un nouveau projet SvelteKit. L'assistant vous guidera à travers les options de configuration.

```bash
npm create mon-projet@latestCopier
```

--------------------------------

### Installer et lancer htop

Source: https://blog.crea-troyes.fr/11615/base-du-terminal-infos-systeme-et-commandes-de-secours

Installe la commande 'htop' (une version améliorée de 'top') avec 'sudo apt install htop' ou 'brew install htop', puis lancez-la avec 'htop'.

```bash
sudo apt install htopCopier
```

```bash
brew install stopCopier
```

```bash
htopCopier
```

--------------------------------

### Install Google Chrome using Homebrew Cask

Source: https://blog.crea-troyes.fr/6210/homebrew-le-guide-complet-pour-debuter-facilement

Example of installing the Google Chrome browser using Homebrew Cask.

```shell
brew install --cask google-chrome
```

--------------------------------

### Readable Project Structure Example

Source: https://blog.crea-troyes.fr/8531/methodologie-un-code-lisible-et-facile-a-comprendre

This example demonstrates a more organized project structure with dedicated directories for different file types (e.g., js, css), improving clarity and maintainability.

```text
/projet
    /js
        api.js
        dom.js
        tasks.js
    /css
        style.css
    index.html
```

--------------------------------

### Install npm Package

Source: https://blog.crea-troyes.fr/9069/20-packages-homebrew-essentiels-pour-developpeur-web

Installs a JavaScript package using npm, Node.js's package manager. Example shown for React.

```bash
npm install react
```

--------------------------------

### Example Git User Configuration

Source: https://blog.crea-troyes.fr/5673/jour-27-debuter-avec-git-tutoriel-complet-pour-debutant

An example of how to set the Git user name and email.

```bash
git config --global user.name "Alban L."
git config --global user.email "alban@example.com"
```

--------------------------------

### Start and Check Tor Service on Linux

Source: https://blog.crea-troyes.fr/5816/tutoriel-complet-surfer-en-anonyme-sur-internet-terminal

Starts the Tor service and checks its status on Linux systems. This command is used after installing Tor.

```bash
sudo systemctl start torCopier
systemctl status torCopier
```

--------------------------------

### Installer des paquets à partir d'un fichier requirements.txt

Source: https://blog.crea-troyes.fr/6180/pip-pipx-et-pip3-tutoriel-dun-gestionnaire-de-paquets

Une fois le fichier requirements.txt créé, votre collègue peut utiliser cette commande pour installer toutes les dépendances nécessaires à l'exécution du projet. Cela garantit un environnement cohérent.

```bash
pip3 install -r requirements.txt
```

--------------------------------

### Test GET Request with Postman

Source: https://blog.crea-troyes.fr/12484/endpoint-definition-simple-exemples-et-fonctionnement

Use this example to test a GET request to a user endpoint. Postman can then display the JSON response from the server.

```http
GET https://api.monsite.com/usersCopier
```

--------------------------------

### Installer des outils essentiels (Nginx, MySQL, PHP, Git)

Source: https://blog.crea-troyes.fr/7008/construire-son-minilab-guide-complet-pour-developpeur-web

Installez un ensemble d'outils couramment utilisés par les développeurs web, y compris un serveur web (Nginx), une base de données (MySQL), un langage de script (PHP) et un système de contrôle de version (Git).

```bash
sudo apt install nginx mysql-server php gitCopier
```

--------------------------------

### Create a Brewfile for Software Installation

Source: https://blog.crea-troyes.fr/6210/homebrew-le-guide-complet-pour-debuter-facilement

Define the software packages and casks to be installed using Homebrew. This file automates the setup of your development environment.

```shell
brew "git"
brew "node"
brew "python"
cask "visual-studio-code"
cask "google-chrome"
```

--------------------------------

### Install Ollama and download a model

Source: https://blog.crea-troyes.fr/5863/aider-ollama-installer-lia-locale-pour-le-developpement

Installs Ollama using Homebrew and downloads a lightweight coding model. This setup is for macOS users with Homebrew.

```bash
brew install ollama
olama serve
olama pull qwen2.5-coder:7b
```

--------------------------------

### Create and Navigate to Project Directory

Source: https://blog.crea-troyes.fr/6010/jujutsu-git-guide-complet-pour-maitriser-jj-pas-a-pas

Use these commands to create a new directory for your project and move into it.

```bash
mkdir site-demo
cd site-demo
```

--------------------------------

### Project File Structure Example

Source: https://blog.crea-troyes.fr/7258/login-web3-avec-metamask-la-connexion-sans-mot-de-passe

This example shows a basic project structure for a web3 login application using HTML, JavaScript, and PHP. You can adapt the backend language to your preferences.

```plaintext
/login-web3-tuto
    ├── index.html
    ├── script.js
    ├── verify.php
```

--------------------------------

### Install Claude Code via Native Script (macOS/Linux/WSL)

Source: https://blog.crea-troyes.fr/5801/claude-code-tutoriel-complet-pour-developpeurs

Install Claude Code using a native installation script for macOS, Linux, or WSL. This method may handle additional setup steps.

```bash
curl -fsSL https://claude.ai/install.sh | bashCopier
```

--------------------------------

### Installer PostCSS, postcss-cli et cssnano

Source: https://blog.crea-troyes.fr/9049/minifier-vos-fichiers-html-css-js-php-depuis-le-terminal

Installez les dépendances nécessaires pour utiliser PostCSS avec cssnano afin de minifier vos fichiers CSS. Ces outils sont couramment utilisés dans les workflows professionnels.

```bash
npm install -g postcss postcss-cli cssnano
```

--------------------------------

### Get Homebrew Installation Prefix

Source: https://blog.crea-troyes.fr/6210/homebrew-le-guide-complet-pour-debuter-facilement

Display the directory where Homebrew installs packages. This can vary depending on your Mac's architecture (Apple Silicon or Intel).

```shell
brew --prefix
```

--------------------------------

### PHP XSS Attack Input Example

Source: https://blog.crea-troyes.fr/13728/injection-de-code-dans-les-meta-donnees-html-pdf-et-photo

Example of a malicious input string for the PHP GET parameter injection, designed to trigger an alert box.

```php
?desc="><script>alert('hack')</script>
```

--------------------------------

### Install httpx using Go

Source: https://blog.crea-troyes.fr/11175/httpx-et-pentesting-scan-des-infos-et-failles-dun-domaine

Install the httpx tool using the Go package manager. The -v flag provides verbose output during installation.

```bash
go install -v github.com/projectdiscovery/httpx/cmd/httpx@latestCopier
```

--------------------------------

### Retrieve Whois Information for example.com

Source: https://blog.crea-troyes.fr/8780/whois-en-terminal-cli-comprendre-installer-et-tout-utiliser

A practical example demonstrating how to query Whois for 'example.com' to obtain domain registration details.

```bash
whois example.com
```

--------------------------------

### Example: Getting the First Element of a Simple Array

Source: https://blog.crea-troyes.fr/7815/php-8-5-array_first-et-array_last-pour-trier-vos-tableaux

Demonstrates using array_first() to get the first value from a simple indexed array. The original array remains unchanged.

```php
$prenoms = ['Alice', 'Bernard', 'Chloé', 'David'];
$premier = array_first($prenoms);
echo $premier;
```

```php
print_r($prenoms);
```

--------------------------------

### Install DNSX

Source: https://blog.crea-troyes.fr/12368/dnsx-loutil-dns-incontournable-en-pentesting-de-masse

Installs the DNSX tool using Go's install command. The binary will be placed in the ~/go/bin directory.

```bash
go install -v github.com/projectdiscovery/dnsx/cmd/dnsx@latestCopier
```

--------------------------------

### Install and Use PM2 Process Manager

Source: https://blog.crea-troyes.fr/8083/node-js-coder-une-liste-de-taches-ou-todo-pas-a-pas

Install PM2 globally and use it to start your Node.js application. PM2 ensures your app stays running, monitors resources, and manages logs.

```bash
npm install pm2 -g
pm2 start app.js
```

--------------------------------

### Example Administration Wordlist

Source: https://blog.crea-troyes.fr/14509/ffuf-tutoriel-complet-pour-debutant-en-fuzzing-web

A sample wordlist for identifying administration panels.

```bash
admin
administrator
backend
panel
gestion
connexion
login
```

--------------------------------

### Install Django and Start a Project

Source: https://blog.crea-troyes.fr/6180/pip-pipx-et-pip3-tutoriel-dun-gestionnaire-de-paquets

Install Django using pip and initiate a new project. Django is a full-featured web framework providing a structured environment for robust web application development.

```bash
pip install django
```

```bash
django-admin startproject monsite
cd monsite
python manage.py runserver
```

--------------------------------

### Basic Express Server Setup

Source: https://blog.crea-troyes.fr/7953/bien-structurer-son-projet-node-js-guide-complet-debutant

Set up a basic HTTP server using the Express framework. This code initializes an Express app, defines a root route, and starts the server on a specified port.

```javascript
const express = require('express');
const app = express();

app.use(express.json());

app.get('/', (req, res) => {
    res.send('Bienvenue sur notre projet Node.js');
});

const PORT = 3000;
app.listen(PORT, () => {
    console.log(`Serveur en cours d'exécution sur http://localhost:${PORT}`);
});Copier
```

--------------------------------

### Installer Shodan CLI avec pipx

Source: https://blog.crea-troyes.fr/12680/shodan-cli-tutoriel-pour-utiliser-shodan-depuis-le-terminal

Installe le gestionnaire de paquets Shodan CLI en utilisant pipx.

```bash
pipx install shodan
```

--------------------------------

### WordPress functions.php File Guide

Source: https://blog.crea-troyes.fr/category/php

Master the WordPress functions.php file to customize your site, add features, and gain autonomy without plugins. This guide offers simple explanations and concrete examples.

```php
<?php
// Ajouter un logo personnalisé dans l'admin WordPress
function mon_logo_admin() {
    echo '<style type="text/css">
        #wpadminbar #wp-admin-bar-menu-toggle .ab-icon:before {
            background-image: url(' . get_template_directory_uri() . '/images/mon-logo-admin.png) !important;
            background-position: 0 0;
            color: #fff;
            background-size: 20px 20px;
        }
    </style>';
}
add_action('admin_head', 'mon_logo_admin');

// Ajouter un menu personnalisé dans l'admin WordPress
function mon_menu_admin() {
    add_menu_page(
        'Mon Menu',           // Titre de la page
        'Mon Menu',           // Titre du menu
        'manage_options',     // Capacité requise
        'mon-menu',           // Slug du menu
        'mon_menu_page_html', // Fonction d'affichage
        get_template_directory_uri() . '/images/mon-menu-icon.png', // Icône
        6                     // Position
    );
}
add_action('admin_menu', 'mon_menu_admin');

function mon_menu_page_html() {
    // Contenu de la page du menu
    echo '<h1>Mon Menu Personnalisé</h1>';
}

// Ajouter un script personnalisé
function mes_scripts_personnalises() {
    wp_enqueue_script('mon-script', get_template_directory_uri() . '/js/mon-script.js', array('jquery'), '1.0', true);
}
add_action('wp_enqueue_scripts', 'mes_scripts_personnalises');

// Ajouter un style personnalisé
function mes_styles_personnalises() {
    wp_enqueue_style('mon-style', get_template_directory_uri() . '/css/mon-style.css', array(), '1.0');
}
add_action('wp_enqueue_scripts', 'mes_styles_personnalises');
?>

```

--------------------------------

### Installer html-minifier-terser

Source: https://blog.crea-troyes.fr/9049/minifier-vos-fichiers-html-css-js-php-depuis-le-terminal

Installez html-minifier-terser globalement pour pouvoir l'utiliser depuis n'importe quel répertoire de votre système.

```bash
npm install html-minifier-terser -g
```

--------------------------------

### Install and Use Flask Micro-framework

Source: https://blog.crea-troyes.fr/6180/pip-pipx-et-pip3-tutoriel-dun-gestionnaire-de-paquets

Install Flask using pip and create a simple web application. Flask is a micro-framework ideal for quickly starting web development or building APIs with minimal code.

```bash
pip install flask
```

```python
from flask import Flask
app = Flask(__name__)
@app.route("/")
def home():
    return "Bonjour, ceci est mon premier site avec Flask !"
if __name__ == "__main__":
    app.run()
```

--------------------------------

### Create Basic Express Server

Source: https://blog.crea-troyes.fr/8047/creer-une-api-rest-en-node-js-guide-complet-pour-debutants

Set up a minimal Express server. This code imports Express, creates an application instance, defines a root route ('/'), and starts the server listening on port 3000.

```javascript
const express = require('express');
const app = express();

app.get('/', (req, res) => {
  res.send('Bienvenue sur votre API REST Node.js');
});

app.listen(3000, () => {
  console.log('Serveur démarré sur http://localhost:3000');
});
```

--------------------------------

### Install and Use Requests Library

Source: https://blog.crea-troyes.fr/6180/pip-pipx-et-pip3-tutoriel-dun-gestionnaire-de-paquets

Install the Requests library using pip and make a simple HTTP GET request to an API. Useful for downloading web pages, interacting with APIs, or automating navigation.

```bash
pip install requests
```

```python
import requests
response = requests.get("https://api.github.com")
print(response.status_code)
print(response.json())
```

--------------------------------

### Install goSearch Tool

Source: https://blog.crea-troyes.fr/8794/gosearch-loutil-osint-pour-verifier-si-un-compte-a-fuite

Install the goSearch tool itself after ensuring Go is set up. This command downloads, compiles, and installs the tool.

```bash
go install github.com/ibnaleem/gosearch@latest
```

--------------------------------

### Launch btop

Source: https://blog.crea-troyes.fr/10523/btop-le-guide-pour-surveiller-votre-mac-depuis-le-terminal

Start the btop system monitor after installation. This command will display the btop interface in your terminal.

```bash
btop
```

--------------------------------

### Example llms.txt for a Food Blog

Source: https://blog.crea-troyes.fr/11682/le-fichier-llms-txt-pour-guider-lia-sur-votre-site-web

This markdown example demonstrates the structure of an llms.txt file for a food blog, including site title, description, and categorized links to recipes and guides. Ensure links are absolute and correctly formatted.

```markdown
# Délices de Troyes
> Le guide complet pour cuisiner les spécialités de l'Aube et d'ailleurs.

Ce site propose des recettes traditionnelles, des conseils de chefs locaux et des astuces pour réussir vos pâtisseries à tous les coups.

## Recettes incontournables
- [L'Andouillette de Troyes au four](https://blog.crea-troyes.fr/recettes/andouillette) : La technique pas à pas.
- [Le Chaource chaud sur toasts](https://blog.crea-troyes.fr/recettes/chaource) : Entrée rapide et gourmande.

## Guides techniques
- [Choisir son four de cuisson](https://blog.crea-troyes.fr/guides/four) : Comparatif 2024.
- [Maîtriser la pâte feuilletée](https://blog.crea-troyes.fr/guides/pate) : Tutoriel pour débutants.

## Informations utiles
- [FAQ Culinaire](https://blog.crea-troyes.fr/faq)
- [Contact et collaborations](https://blog.crea-troyes.fr/contact)
Copier

```

--------------------------------

### Example Project State Before Uninstall

Source: https://blog.crea-troyes.fr/14414/lister-vos-packages-npm-et-supprimer-un-package-inutile

Shows the top-level dependencies of a project before removing a package. This is a snapshot of the project's main dependencies.

```text
├── express
├── axios
├── momentCopier
```

--------------------------------

### Get Software Information

Source: https://blog.crea-troyes.fr/6210/homebrew-le-guide-complet-pour-debuter-facilement

Displays detailed information about a specific software package, including its version, dependencies, and installation path.

```bash
brew info git
```

--------------------------------

### Start Local Development Server

Source: https://blog.crea-troyes.fr/9069/20-packages-homebrew-essentiels-pour-developpeur-web

Starts the http-server from your project directory to serve your site locally. Your site will be accessible at an address like http://localhost:8080.

```bash
http-server
```

--------------------------------

### Install Go on Ubuntu Linux

Source: https://blog.crea-troyes.fr/8794/gosearch-loutil-osint-pour-verifier-si-un-compte-a-fuite

For Ubuntu users, install Go using the APT package manager with this command.

```bash
sudo apt install golang
```

--------------------------------

### Example .env File Structure

Source: https://blog.crea-troyes.fr/8034/node-js-variable-denvironnement-fichier-env-et-dotenv

A .env file stores environment-specific configuration. Each line should be in the format KEY=VALUE. Comments start with #.

```dotenv
# Database configuration
DB_HOST=localhost
DB_PORT=5432
DB_USER=myuser
DB_PASSWORD=secretpassword

# API Keys
API_KEY=your_api_key_here

# Application settings
NODE_ENV=development
PORT=3000
```

--------------------------------

### Initialiser Shodan CLI avec une clé API

Source: https://blog.crea-troyes.fr/12680/shodan-cli-tutoriel-pour-utiliser-shodan-depuis-le-terminal

Connecte votre installation de Shodan CLI à votre compte Shodan en utilisant votre clé API personnelle.

```bash
shodan init VOTRE_CLE_API
```

--------------------------------

### Installation et configuration de CodeIgniter 4

Source: https://blog.crea-troyes.fr/?query-15-page=8

Guide pour installer et configurer le framework CodeIgniter 4. Ce snippet montre les étapes initiales pour démarrer une nouvelle application web.

```bash
# Via Composer
composer create-project codeigniter4/appstarter mon-projet
cd mon-projet

# Ou téléchargement manuel
# Téléchargez la dernière version depuis le site officiel
# Décompressez dans le répertoire de votre projet
```

--------------------------------

### Installer les outils web essentiels

Source: https://blog.crea-troyes.fr/7008/construire-son-minilab-guide-complet-pour-developpeur-web

Installez Nginx, PHP avec support MySQL, MariaDB, et Git sur votre Minilab pour un environnement de développement web complet.

```bash
sudo apt install nginx php php-mysql mariadb-server git -y
```

--------------------------------

### Block Element Example

Source: https://blog.crea-troyes.fr/1987/la-propriete-display-ses-nouvelles-valeurs-en-css3

Illustrates a 'div' element acting as a block element, occupying full width and starting on a new line.

```HTML
<div>
  Ceci un est texte  
  contenu dans une div
</div>
```

--------------------------------

### Create Strapi App

Source: https://blog.crea-troyes.fr/5715/cms-headless-guide-pour-comprendre-et-utiliser-ce-concept

Use this command to create a new Strapi project locally and start it in development mode. Ensure Node.js is installed.

```bash
npx create-strapi-app@latest mon-blog-strapi --quickstartCopier
```