Memcached
"Clase de la hoja"
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Comandos completos y flujos de trabajo para la administración del sistema en todas las plataformas.
Comandos básicos
Command | Description |
---|---|
memcached --version |
Show memcached version |
memcached --help |
Display help information |
memcached init |
Initialize memcached in current directory |
memcached status |
Check current status |
memcached list |
List available options |
memcached info |
Display system information |
memcached config |
Show configuration settings |
memcached update |
Update to latest version |
memcached start |
Start memcached service |
memcached stop |
Stop memcached service |
memcached restart |
Restart memcached service |
memcached reload |
Reload configuration |
Instalación
Linux/Ubuntu
# Package manager installation
sudo apt update
sudo apt install memcached
# Alternative installation
wget https://github.com/example/memcached/releases/latest/download/memcached-linux
chmod +x memcached-linux
sudo mv memcached-linux /usr/local/bin/memcached
# Build from source
git clone https://github.com/example/memcached.git
cd memcached
make && sudo make install
macOS
# Homebrew installation
brew install memcached
# MacPorts installation
sudo port install memcached
# Manual installation
curl -L -o memcached https://github.com/example/memcached/releases/latest/download/memcached-macos
chmod +x memcached
sudo mv memcached /usr/local/bin/
Windows
# Chocolatey installation
choco install memcached
# Scoop installation
scoop install memcached
# Winget installation
winget install memcached
# Manual installation
# Download from https://github.com/example/memcached/releases
# Extract and add to PATH
Configuración
Command | Description |
---|---|
memcached config show |
Display current configuration |
memcached config list |
List all configuration options |
memcached config set <key> <value> |
Set configuration value |
memcached config get <key> |
Get configuration value |
memcached config unset <key> |
Remove configuration value |
memcached config reset |
Reset to default configuration |
memcached config validate |
Validate configuration file |
memcached config export |
Export configuration to file |
Operaciones avanzadas
Operaciones de archivo
# Create new file/resource
memcached create <name>
# Read file/resource
memcached read <name>
# Update existing file/resource
memcached update <name>
# Delete file/resource
memcached delete <name>
# Copy file/resource
memcached copy <source> <destination>
# Move file/resource
memcached move <source> <destination>
# List all files/resources
memcached list --all
# Search for files/resources
memcached search <pattern>
Operaciones de red
# Connect to remote host
memcached connect <host>:<port>
# Listen on specific port
memcached listen --port <port>
# Send data to target
memcached send --target <host> --data "<data>"
# Receive data from source
memcached receive --source <host>
# Test connectivity
memcached ping <host>
# Scan network range
memcached scan <network>
# Monitor network traffic
memcached monitor --interface <interface>
# Proxy connections
memcached proxy --listen <port> --target <host>:<port>
Gestión de procesos
# Start background process
memcached start --daemon
# Stop running process
memcached stop --force
# Restart with new configuration
memcached restart --config <file>
# Check process status
memcached status --verbose
# Monitor process performance
memcached monitor --metrics
# Kill all processes
memcached killall
# Show running processes
memcached ps
# Manage process priority
memcached priority --pid <pid> --level <level>
Características de seguridad
Autenticación
# Login with username/password
memcached login --user <username>
# Login with API key
memcached login --api-key <key>
# Login with certificate
memcached login --cert <cert_file>
# Logout current session
memcached logout
# Change password
memcached passwd
# Generate new API key
memcached generate-key --name <key_name>
# List active sessions
memcached sessions
# Revoke session
memcached revoke --session <session_id>
Encryption
# Encrypt file
memcached encrypt --input <file> --output <encrypted_file>
# Decrypt file
memcached decrypt --input <encrypted_file> --output <file>
# Generate encryption key
memcached keygen --type <type> --size <size>
# Sign file
memcached sign --input <file> --key <private_key>
# Verify signature
memcached verify --input <file> --signature <sig_file>
# Hash file
memcached hash --algorithm <algo> --input <file>
# Generate certificate
memcached cert generate --name <name> --days <days>
# Verify certificate
memcached cert verify --cert <cert_file>
Vigilancia y registro
Supervisión del sistema
# Monitor system resources
memcached monitor --system
# Monitor specific process
memcached monitor --pid <pid>
# Monitor network activity
memcached monitor --network
# Monitor file changes
memcached monitor --files <directory>
# Real-time monitoring
memcached monitor --real-time --interval 1
# Generate monitoring report
memcached report --type monitoring --output <file>
# Set monitoring alerts
memcached alert --threshold <value> --action <action>
# View monitoring history
memcached history --type monitoring
Registro
# View logs
memcached logs
# View logs with filter
memcached logs --filter <pattern>
# Follow logs in real-time
memcached logs --follow
# Set log level
memcached logs --level <level>
# Rotate logs
memcached logs --rotate
# Export logs
memcached logs --export <file>
# Clear logs
memcached logs --clear
# Archive logs
memcached logs --archive <archive_file>
Solución de problemas
Cuestiones comunes
Issue: Command not found
# Check if memcached is installed
which memcached
memcached --version
# Check PATH variable
echo $PATH
# Reinstall if necessary
sudo apt reinstall memcached
# or
brew reinstall memcached
Issue: Permission denied
# Run with elevated privileges
sudo memcached <command>
# Check file permissions
ls -la $(which memcached)
# Fix permissions
chmod +x /usr/local/bin/memcached
# Check ownership
sudo chown $USER:$USER /usr/local/bin/memcached
Issue: Errores de configuración
# Validate configuration
memcached config validate
# Reset to default configuration
memcached config reset
# Check configuration file location
memcached config show --file
# Backup current configuration
memcached config export > backup.conf
# Restore from backup
memcached config import backup.conf
*Isue: Service not starting *
# Check service status
memcached status --detailed
# Check system logs
journalctl -u memcached
# Start in debug mode
memcached start --debug
# Check port availability
netstat -tulpn|grep <port>
# Kill conflicting processes
memcached killall --force
Debug Commands
Command | Description |
---|---|
memcached --debug |
Enable debug output |
memcached --verbose |
Enable verbose logging |
memcached --trace |
Enable trace logging |
memcached test |
Run built-in tests |
memcached doctor |
Run system health check |
memcached diagnose |
Generate diagnostic report |
memcached benchmark |
Run performance benchmarks |
memcached validate |
Validate installation and configuration |
Optimización del rendimiento
Gestión de los recursos
# Set memory limit
memcached --max-memory 1G <command>
# Set CPU limit
memcached --max-cpu 2 <command>
# Enable caching
memcached --cache-enabled <command>
# Set cache size
memcached --cache-size 100M <command>
# Clear cache
memcached cache clear
# Show cache statistics
memcached cache stats
# Optimize performance
memcached optimize --profile <profile>
# Show performance metrics
memcached metrics
Parallel Processing
# Enable parallel processing
memcached --parallel <command>
# Set number of workers
memcached --workers 4 <command>
# Process in batches
memcached --batch-size 100 <command>
# Queue management
memcached queue add <item>
memcached queue process
memcached queue status
memcached queue clear
Integración
Scripting
#!/bin/bash
# Example script using memcached
set -euo pipefail
# Configuration
CONFIG_FILE="config.yaml"
LOG_FILE="memcached.log"
# Check if memcached is available
if ! command -v memcached &> /dev/null; then
echo "Error: memcached 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 memcached operation"
if memcached --config "$CONFIG_FILE" run; then
log "Operation completed successfully"
exit 0
else
log "Operation failed with exit code $?"
exit 1
fi
\\\\}
# Cleanup function
cleanup() \\\\{
log "Cleaning up"
memcached cleanup
\\\\}
# Set trap for cleanup
trap cleanup EXIT
# Run main function
main "$@"
API Integration
#!/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))
Medio ambiente
Variable | Description | Default |
---|---|---|
MEMCACHED_CONFIG |
Configuration file path | ~/.memcached/config.yaml |
MEMCACHED_HOME |
Home directory | ~/.memcached |
MEMCACHED_LOG_LEVEL |
Logging level | INFO |
MEMCACHED_LOG_FILE |
Log file path | ~/.memcached/logs/memcached.log |
MEMCACHED_CACHE_DIR |
Cache directory | ~/.memcached/cache |
MEMCACHED_DATA_DIR |
Data directory | ~/.memcached/data |
MEMCACHED_TIMEOUT |
Default timeout | 30s |
MEMCACHED_MAX_WORKERS |
Maximum workers | 4 |
Archivo de configuración
# ~/.memcached/config.yaml
version: "1.0"
# General settings
settings:
debug: false
verbose: false
log_level: "INFO"
log_file: "~/.memcached/logs/memcached.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: "~/.memcached/cache"
max_memory: "1G"
# Monitoring settings
monitoring:
enabled: true
interval: 60
metrics_enabled: true
alerts_enabled: true
Ejemplos
Corrientes básicas de trabajo
# 1. Initialize memcached
memcached init
# 2. Configure basic settings
memcached config set host example.com
memcached config set port 8080
# 3. Start service
memcached start
# 4. Check status
memcached status
# 5. Perform operations
memcached run --target example.com
# 6. View results
memcached results
# 7. Stop service
memcached stop
Avanzado flujo de trabajo
# Comprehensive operation with monitoring
memcached run \
--config production.yaml \
--parallel \
--workers 8 \
--verbose \
--timeout 300 \
--output json \
--log-file operation.log
# Monitor in real-time
memcached monitor --real-time --interval 5
# Generate report
memcached report --type comprehensive --output report.html
Ejemplo de automatización
#!/bin/bash
# Automated memcached 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 $target..."
memcached \
--config "$CONFIG_FILE" \
--output json \
--output-file "$RESULTS_DIR/$\\\\{target\\\\}.json" \
run "$target"
done < "$TARGETS_FILE"
# Generate summary report
memcached report summary \
--input "$RESULTS_DIR/*.json" \
--output "$RESULTS_DIR/summary.html"
Buenas prácticas
Seguridad
- Verifique siempre las sumas de comprobación al descargar los binarios
- Use métodos de autenticación fuertes ( claves de API, certificados)
- Actualización regular a la última versión
- Seguir el principio de mínimo privilegio
- Activación de registros de auditoría para el cumplimiento
- Utilice conexiones encriptadas cuando sea posible
- Validar todas las entradas y configuraciones
- Implementar controles adecuados de acceso
Ejecución
- Use límites de recursos adecuados para su entorno
- Supervisar el rendimiento del sistema regularmente
- Optimize configuración para su caso de uso
- Use procesamiento paralelo cuando sea beneficioso
- Implementar estrategias de caché adecuadas
- Mantenimiento y limpieza regulares
- Botellas de rendimiento del perfil
- Utilice algoritmos y estructuras de datos eficientes
Operaciones
- Mantener documentación completa
- Implementar estrategias de respaldo adecuadas
- Utilice el control de versiones para configuraciones
- Monitor y alerta sobre métricas críticas
- Implementar un correcto manejo de errores
- Utiliza la automatización para tareas repetitivas
- Auditorías y actualizaciones periódicas de seguridad
- Plan de recuperación en casos de desastre
Desarrollo
- Seguir las normas y convenciones de codificación
- Escribir pruebas completas
- Utilización de la integración y el despliegue continuos
- Implementar registros y monitoreo adecuados
- Document APIs and interfaces
- Usar el control de la versión con eficacia
- Código de revisión regularmente
- Mantener la compatibilidad atrasada
Recursos
Documentación oficial
Recursos comunitarios
Recursos didácticos
- Obtener la guía inicial
- Sección Tutorial
- Best Practices Guide
- Tutorial de video
- Training Courses
- Programa de certificación
Herramientas relacionadas
- Git - Función complementaria
- Docker - Solución alternativa
- Kubernetes - Socio de integración
-...
Última actualización: 2025-07-06 sometidaeditar en GitHub