Composer

Commandes et workflows Composer complets pour l’administration système sur toutes les plateformes.

Commandes de base

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

Installation

Linux/Ubuntu

# Package manager installation
sudo apt update
sudo apt install composer

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

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

macOS

# Homebrew installation
brew install composer

# MacPorts installation
sudo port install composer

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

Windows

# Chocolatey installation
choco install composer

# Scoop installation
scoop install composer

# Winget installation
winget install composer

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

Configuration

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

Opérations avancées

Opérations sur les fichiers

# Create new file/resource
composer create <name>

# Read file/resource
composer read <name>

# Update existing file/resource
composer update <name>

# Delete file/resource
composer delete <name>

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

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

# List all files/resources
composer list --all

# Search for files/resources
composer search <pattern>

Opérations réseau

# Connect to remote host
composer connect <host>:<port>

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

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

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

# Test connectivity
composer ping <host>

# Scan network range
composer scan <network>

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

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

Gestion des processus

# Start background process
composer start --daemon

# Stop running process
composer stop --force

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

# Check process status
composer status --verbose

# Monitor process performance
composer monitor --metrics

# Kill all processes
composer killall

# Show running processes
composer ps

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

Fonctionnalités de sécurité

Authentification

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

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

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

# Logout current session
composer logout

# Change password
composer passwd

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

# List active sessions
composer sessions

# Revoke session
composer revoke --session <session_id>

Chiffrement

# Encrypt file
composer encrypt --input <file> --output <encrypted_file>

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

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

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

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

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

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

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

Surveillance et journalisation

Surveillance système

# Monitor system resources
composer monitor --system

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

# Monitor network activity
composer monitor --network

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

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

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

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

# View monitoring history
composer history --type monitoring

Journalisation

# View logs
composer logs

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

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

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

# Rotate logs
composer logs --rotate

# Export logs
composer logs --export <file>

# Clear logs
composer logs --clear

# Archive logs
composer logs --archive <archive_file>

Dépannage

Problèmes courants

Problème : Commande non trouvée

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

# Check PATH variable
echo $PATH

# Reinstall if necessary
sudo apt reinstall composer
# or
brew reinstall composer

Problème : Permission refusée

# Run with elevated privileges
sudo composer <command>

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

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

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

Problème : Erreurs de configuration

# Validate configuration
composer config validate

# Reset to default configuration
composer config reset

# Check configuration file location
composer config show --file

# Backup current configuration
composer config export > backup.conf

# Restore from backup
composer config import backup.conf

Problème : Service ne démarre pas

# Check service status
composer status --detailed

# Check system logs
journalctl -u composer

# Start in debug mode
composer start --debug

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

# Kill conflicting processes
composer killall --force

Commandes de débogage

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

Optimisation des performances

Gestion des ressources

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

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

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

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

# Clear cache
composer cache clear

# Show cache statistics
composer cache stats

# Optimize performance
composer optimize --profile <profile>

# Show performance metrics
composer metrics

Traitement parallèle

Would you like me to continue with specific translations for the numbered sections?```bash

Enable parallel processing

composer —parallel

Set number of workers

composer —workers 4

Process in batches

composer —batch-size 100

Queue management

composer queue add composer queue process composer queue status composer queue clear

## Intégration

### Scripting
```bash
#!/bin/bash
# Example script using composer

set -euo pipefail

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

# Check if composer is available
if ! command -v composer &> /dev/null; then
    echo "Error: composer 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 composer operation"

    if composer --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"
    composer cleanup
\\\\}

# Set trap for cleanup
trap cleanup EXIT

# Run main function
main "$@"

Intégration d’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
COMPOSER_CONFIG	Chemin du fichier de configuration	~/.composer/config.yaml
COMPOSER_HOME	Répertoire personnel	~/.composer
COMPOSER_LOG_LEVEL	Niveau de journalisation	INFO
COMPOSER_LOG_FILE	Chemin du fichier journal	~/.composer/logs/composer.log
COMPOSER_CACHE_DIR	Répertoire de cache	~/.composer/cache
COMPOSER_DATA_DIR	Répertoire de données	~/.composer/data
COMPOSER_TIMEOUT	Délai par défaut	30s
COMPOSER_MAX_WORKERS	Travailleurs maximum	4

Fichier de configuration

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

# General settings
settings:
  debug: false
  verbose: false
  log_level: "INFO"
  log_file: "~/.composer/logs/composer.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: "~/.composer/cache"
  max_memory: "1G"

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

Exemples

Workflow de base

# 1. Initialize composer
composer init

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

# 3. Start service
composer start

# 4. Check status
composer status

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

# 6. View results
composer results

# 7. Stop service
composer stop

Workflow avancé

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

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

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

Exemple d’automatisation

#!/bin/bash
# Automated composer 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..."

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

done < "$TARGETS_FILE"

# Generate summary report
composer 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/composer/best-practices[Tutoriels Vidéo]https://youtube.com/c/composer[Cours de Formation]https://training.example.com/composer[Programme de Certification]https://certification.example.com/composer

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 GitHub