Elasticsearch

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Commande	Description
elasticsearch --version	Afficher la version d’elasticsearch
elasticsearch --help	Afficher les informations d’aide
elasticsearch init	Initialiser elasticsearch dans le répertoire actuel
elasticsearch status	Vérifier le statut actuel
elasticsearch list	Lister les options disponibles
elasticsearch info	Afficher les informations système
elasticsearch config	Afficher les paramètres de configuration
elasticsearch update	Mettre à jour vers la dernière version
elasticsearch start	Démarrer le service elasticsearch
elasticsearch stop	Arrêter le service elasticsearch
elasticsearch restart	Redémarrer le service elasticsearch
elasticsearch reload	Recharger la configuration

# Package manager installation
sudo apt update
sudo apt install elasticsearch

# Alternative installation
wget https://github.com/example/elasticsearch/releases/latest/download/elasticsearch-linux
chmod +x elasticsearch-linux
sudo mv elasticsearch-linux /usr/local/bin/elasticsearch

# Build from source
git clone https://github.com/example/elasticsearch.git
cd elasticsearch
make && sudo make install
```## Installation

### Linux/Ubuntu
```bash
# Homebrew installation
brew install elasticsearch

# MacPorts installation
sudo port install elasticsearch

# Manual installation
curl -L -o elasticsearch https://github.com/example/elasticsearch/releases/latest/download/elasticsearch-macos
chmod +x elasticsearch
sudo mv elasticsearch /usr/local/bin/

macOS

# Chocolatey installation
choco install elasticsearch

# Scoop installation
scoop install elasticsearch

# Winget installation
winget install elasticsearch

# Manual installation
# Download from https://github.com/example/elasticsearch/releases
# Extract and add to PATH

Windows

Commande	Description
elasticsearch config show	Afficher la configuration actuelle
elasticsearch config list	Lister toutes les options de configuration
elasticsearch config set <key> <value>	Définir la valeur de configuration
elasticsearch config get <key>	Obtenir la valeur de configuration
elasticsearch config unset <key>	Supprimer la valeur de configuration
elasticsearch config reset	Réinitialiser à la configuration par défaut
elasticsearch config validate	Valider le fichier de configuration
elasticsearch config export	Exporter la configuration vers un fichier

# Create new file/resource
elasticsearch create <name>

# Read file/resource
elasticsearch read <name>

# Update existing file/resource
elasticsearch update <name>

# Delete file/resource
elasticsearch delete <name>

# Copy file/resource
elasticsearch copy <source> <destination>

# Move file/resource
elasticsearch move <source> <destination>

# List all files/resources
elasticsearch list --all

# Search for files/resources
elasticsearch search <pattern>
```## Opérations avancées

### Opérations sur les fichiers
```bash
# Connect to remote host
elasticsearch connect <host>:<port>

# Listen on specific port
elasticsearch listen --port <port>

# Send data to target
elasticsearch send --target <host> --data "<data>"

# Receive data from source
elasticsearch receive --source <host>

# Test connectivity
elasticsearch ping <host>

# Scan network range
elasticsearch scan <network>

# Monitor network traffic
elasticsearch monitor --interface <interface>

# Proxy connections
elasticsearch proxy --listen <port> --target <host>:<port>

Opérations réseau

# Start background process
elasticsearch start --daemon

# Stop running process
elasticsearch stop --force

# Restart with new configuration
elasticsearch restart --config <file>

# Check process status
elasticsearch status --verbose

# Monitor process performance
elasticsearch monitor --metrics

# Kill all processes
elasticsearch killall

# Show running processes
elasticsearch ps

# Manage process priority
elasticsearch priority --pid <pid> --level <level>

Gestion des processus

# Login with username/password
elasticsearch login --user <username>

# Login with API key
elasticsearch login --api-key <key>

# Login with certificate
elasticsearch login --cert <cert_file>

# Logout current session
elasticsearch logout

# Change password
elasticsearch passwd

# Generate new API key
elasticsearch generate-key --name <key_name>

# List active sessions
elasticsearch sessions

# Revoke session
elasticsearch revoke --session <session_id>
```## Fonctionnalités de sécurité

### Authentification
```bash
# Encrypt file
elasticsearch encrypt --input <file> --output <encrypted_file>

# Decrypt file
elasticsearch decrypt --input <encrypted_file> --output <file>

# Generate encryption key
elasticsearch keygen --type <type> --size <size>

# Sign file
elasticsearch sign --input <file> --key <private_key>

# Verify signature
elasticsearch verify --input <file> --signature <sig_file>

# Hash file
elasticsearch hash --algorithm <algo> --input <file>

# Generate certificate
elasticsearch cert generate --name <name> --days <days>

# Verify certificate
elasticsearch cert verify --cert <cert_file>

Chiffrement

# Monitor system resources
elasticsearch monitor --system

# Monitor specific process
elasticsearch monitor --pid <pid>

# Monitor network activity
elasticsearch monitor --network

# Monitor file changes
elasticsearch monitor --files <directory>

# Real-time monitoring
elasticsearch monitor --real-time --interval 1

# Generate monitoring report
elasticsearch report --type monitoring --output <file>

# Set monitoring alerts
elasticsearch alert --threshold <value> --action <action>

# View monitoring history
elasticsearch history --type monitoring
```## Surveillance et journalisation

### Surveillance système
```bash
# View logs
elasticsearch logs

# View logs with filter
elasticsearch logs --filter <pattern>

# Follow logs in real-time
elasticsearch logs --follow

# Set log level
elasticsearch logs --level <level>

# Rotate logs
elasticsearch logs --rotate

# Export logs
elasticsearch logs --export <file>

# Clear logs
elasticsearch logs --clear

# Archive logs
elasticsearch logs --archive <archive_file>

Journalisation

# Check if elasticsearch is installed
which elasticsearch
elasticsearch --version

# Check PATH variable
echo $PATH

# Reinstall if necessary
sudo apt reinstall elasticsearch
# or
brew reinstall elasticsearch
```## Dépannage

### Problèmes courants

**Problème : Commande non trouvée**
```bash
# Run with elevated privileges
sudo elasticsearch <command>

# Check file permissions
ls -la $(which elasticsearch)

# Fix permissions
chmod +x /usr/local/bin/elasticsearch

# Check ownership
sudo chown $USER:$USER /usr/local/bin/elasticsearch

Problème : Permission refusée

# Validate configuration
elasticsearch config validate

# Reset to default configuration
elasticsearch config reset

# Check configuration file location
elasticsearch config show --file

# Backup current configuration
elasticsearch config export > backup.conf

# Restore from backup
elasticsearch config import backup.conf

Problème : Erreurs de configuration

# Check service status
elasticsearch status --detailed

# Check system logs
journalctl -u elasticsearch

# Start in debug mode
elasticsearch start --debug

# Check port availability
netstat -tulpn|grep <port>

# Kill conflicting processes
elasticsearch killall --force

Problème : Service ne démarrant pas

Commande	Description
elasticsearch --debug	Activer la sortie de débogage
elasticsearch --verbose	Activer la journalisation détaillée
elasticsearch --trace	Activer la journalisation des traces
elasticsearch test	Exécuter les tests intégrés
elasticsearch doctor	Exécuter la vérification de santé du système
elasticsearch diagnose	Générer un rapport de diagnostic
elasticsearch benchmark	Exécuter des benchmarks de performance
elasticsearch validate	Valider l’installation et la configuration

# Set memory limit
elasticsearch --max-memory 1G <command>

# Set CPU limit
elasticsearch --max-cpu 2 <command>

# Enable caching
elasticsearch --cache-enabled <command>

# Set cache size
elasticsearch --cache-size 100M <command>

# Clear cache
elasticsearch cache clear

# Show cache statistics
elasticsearch cache stats

# Optimize performance
elasticsearch optimize --profile <profile>

# Show performance metrics
elasticsearch metrics
```## Optimisation des performances

### Gestion des ressources
```bash
# Enable parallel processing
elasticsearch --parallel <command>

# Set number of workers
elasticsearch --workers 4 <command>

# Process in batches
elasticsearch --batch-size 100 <command>

# Queue management
elasticsearch queue add <item>
elasticsearch queue process
elasticsearch queue status
elasticsearch queue clear

Intégration

Scripting

#!/bin/bash
# Example script using elasticsearch

set -euo pipefail

# Configuration
CONFIG_FILE="config.yaml"
LOG_FILE="elasticsearch.log"

# Check if elasticsearch is available
if ! command -v elasticsearch &> /dev/null; then
    echo "Error: elasticsearch is not installed" >&2
    exit 1
fi

# Function to log messages
log() \\\\{
    echo "$(date '+%Y-%m-%d %H:%M:%S') - $1"|tee -a "$LOG_FILE"
\\\\}

# Main operation
main() \\\\{
    log "Starting elasticsearch operation"

    if elasticsearch --config "$CONFIG_FILE" run; then
        log "Operation completed successfully"
        exit 0
    else
        log "Operation failed with exit code $?"
        exit 1
    fi
\\\\}

# Cleanup function
cleanup() \\\\{
    log "Cleaning up"
    elasticsearch cleanup
\\\\}

# Set trap for cleanup
trap cleanup EXIT

# Run main function
main "$@"

Intégration API

#!/usr/bin/env python3
"""
Python wrapper for the tool
"""

import subprocess
import json
import logging
from pathlib import Path
from typing import Dict, List, Optional

class ToolWrapper:
    def __init__(self, config_file: Optional[str] = None):
        self.config_file = config_file
        self.logger = logging.getLogger(__name__)

    def run_command(self, args: List[str]) -> Dict:
        """Run command and return parsed output"""
        cmd = ['tool_name']

        if self.config_file:
            cmd.extend(['--config', self.config_file])

        cmd.extend(args)

        try:
            result = subprocess.run(
                cmd,
                capture_output=True,
                text=True,
                check=True
            )
            return \\\\{'stdout': result.stdout, 'stderr': result.stderr\\\\}
        except subprocess.CalledProcessError as e:
            self.logger.error(f"Command failed: \\\\{e\\\\}")
            raise

    def status(self) -> Dict:
        """Get current status"""
        return self.run_command(['status'])

    def start(self) -> Dict:
        """Start service"""
        return self.run_command(['start'])

    def stop(self) -> Dict:
        """Stop service"""
        return self.run_command(['stop'])

# Example usage
if __name__ == "__main__":
    wrapper = ToolWrapper()
    status = wrapper.status()
    print(json.dumps(status, indent=2))

Variables d’Environnement

Variable	Description	Défaut
ELASTICSEARCH_CONFIG	Chemin du fichier de configuration	~/.elasticsearch/config.yaml
ELASTICSEARCH_HOME	Répertoire personnel	~/.elasticsearch
ELASTICSEARCH_LOG_LEVEL	Niveau de journalisation	INFO
ELASTICSEARCH_LOG_FILE	Chemin du fichier journal	~/.elasticsearch/logs/elasticsearch.log
ELASTICSEARCH_CACHE_DIR	Répertoire de cache	~/.elasticsearch/cache
ELASTICSEARCH_DATA_DIR	Répertoire de données	~/.elasticsearch/data
ELASTICSEARCH_TIMEOUT	Délai par défaut	30s
ELASTICSEARCH_MAX_WORKERS	Travailleurs maximum	4

Fichier de Configuration

# ~/.elasticsearch/config.yaml
version: "1.0"

# General settings
settings:
  debug: false
  verbose: false
  log_level: "INFO"
  log_file: "~/.elasticsearch/logs/elasticsearch.log"
  timeout: 30
  max_workers: 4

# Network configuration
network:
  host: "localhost"
  port: 8080
  ssl: true
  timeout: 30
  retries: 3

# Security settings
security:
  auth_required: true
  api_key: ""
  encryption: "AES256"
  verify_ssl: true

# Performance settings
performance:
  cache_enabled: true
  cache_size: "100M"
  cache_dir: "~/.elasticsearch/cache"
  max_memory: "1G"

# Monitoring settings
monitoring:
  enabled: true
  interval: 60
  metrics_enabled: true
  alerts_enabled: true

Exemples

Workflow de Base

# 1. Initialize elasticsearch
elasticsearch init

# 2. Configure basic settings
elasticsearch config set host example.com
elasticsearch config set port 8080

# 3. Start service
elasticsearch start

# 4. Check status
elasticsearch status

# 5. Perform operations
elasticsearch run --target example.com

# 6. View results
elasticsearch results

# 7. Stop service
elasticsearch stop

Workflow Avancé

# Comprehensive operation with monitoring
elasticsearch run \
  --config production.yaml \
  --parallel \
  --workers 8 \
  --verbose \
  --timeout 300 \
  --output json \
  --log-file operation.log

# Monitor in real-time
elasticsearch monitor --real-time --interval 5

# Generate report
elasticsearch report --type comprehensive --output report.html

Exemple d’Automatisation

#!/bin/bash
# Automated elasticsearch workflow

# Configuration
TARGETS_FILE="targets.txt"
RESULTS_DIR="results/$(date +%Y-%m-%d)"
CONFIG_FILE="automation.yaml"

# Create results directory
mkdir -p "$RESULTS_DIR"

# Process each target
while IFS= read -r target; do
    echo "Processing $target..."

    elasticsearch \
        --config "$CONFIG_FILE" \
        --output json \
        --output-file "$RESULTS_DIR/$\\\\{target\\\\}.json" \
        run "$target"

done < "$TARGETS_FILE"

# Generate summary report
elasticsearch report summary \
    --input "$RESULTS_DIR/*.json" \
    --output "$RESULTS_DIR/summary.html"

Meilleures Pratiques

Sécurité

• Toujours vérifier les sommes de contrôle lors du téléchargement de binaires
• Utiliser des méthodes d’authentification robustes (clés API, certificats)
• Mettre à jour régulièrement vers la dernière version
• Suivre le principe du moindre privilège
• Activer la journalisation d’audit pour la conformité
• Utiliser des connexions chiffrées si possible
• Valider tous les intrants et configurations
• Implémenter des contrôles d’accès appropriés

Performance

• Utiliser des limites de ressources appropriées pour votre environnement
• Surveiller régulièrement les performances du système
• Optimiser la configuration pour votre cas d’utilisation
• Utiliser le traitement parallèle quand c’est bénéfique
• Implémenter des stratégies de mise en cache appropriées
• Maintenance et nettoyage réguliers
• Profiler les goulots d’étranglement de performance
• Utiliser des algorithmes et structures de données efficaces

Opérationnel

• Maintenir une documentation complète
• Implémenter des stratégies de sauvegarde appropriées
• Utiliser le contrôle de version pour les configurations
• Surveiller et alerter sur les métriques critiques
• Implémenter une gestion d’erreurs appropriée
• Utiliser l’automatisation pour les tâches répétitives
• Audits de sécurité et mises à jour réguliers
• Planifier la reprise après sinistre

Développement

• Suivre les normes et conventions de codage
• Écrire des tests complets
• Utiliser l’intégration/déploiement continu
• Implémenter une journalisation et un monitoring appropriés
• Documenter les API et interfaces
• Utiliser efficacement le contrôle de version
• Revue de code régulière
• Maintenir la compatibilité ascendante

Ressources

Documentation Officielle

• Site Officiel
• Documentation
• Référence API
• Guide d’Installation
• Référence de Configuration

Ressources Communautaires

• Dépôt GitHub
• Suivi des Problèmes
• Forum Communautaire
• Serveur Discord
• Communauté Reddit
• Stack Overflow

Ressources d’Apprentissage

• Guide de Démarrage
• Série de Tutoriels [Guide des Meilleures Pratiques]https://docs.example.com/elasticsearch/best-practices[Tutoriels Vidéo]https://youtube.com/c/elasticsearch[Cours de Formation]https://training.example.com/elasticsearch[Programme de Certification]https://certification.example.com/elasticsearch

Outils Associés

• Git - Fonctionnalité complémentaire
• Docker - Solution alternative
• Kubernetes - Partenaire d’intégration

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*Dernière mise à jour : 2025-07-06|Modifier sur GitHubhttps://github.com/perplext/1337skills/edit/main/docs/cheatsheets/elasticsearch.md)