Linkerd

__HTML_TAG_42_ Todos los comandos

Malla de servicio para Kubernetes que proporcionan observabilidad y seguridad - comandos esenciales y patrones de uso.

Overview¶

Linkerd es una malla de servicio utilizada para malla de servicio para kubernetes que proporcionan observabilidad y seguridad. Esta hoja de trampa cubre los comandos y flujos de trabajo más utilizados.

Apoyo de plataforma: Kubernetes Categoría: Desarrollo

Instalación¶

Linux/Ubuntu¶

# Package manager installation
sudo apt update
sudo apt install linkerd

# Alternative installation methods
wget -O linkerd https://github.com/example/linkerd/releases/latest
chmod +x linkerd
sudo mv linkerd /usr/local/bin/

macOS¶

# Homebrew installation
brew install linkerd

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

Windows¶

# Chocolatey installation
choco install linkerd

# Scoop installation
scoop install linkerd

# Manual installation
# Download from official website and add to PATH

Comandos básicos¶

Command	Description
INLINE_CODE_18	Display help information
INLINE_CODE_19	Show version information
INLINE_CODE_20	Initialize linkerd in current directory
INLINE_CODE_21	Check current status
INLINE_CODE_22	List available options/items

Common Operations¶

Uso básico¶

# Start linkerd
linkerd start

# Stop linkerd
linkerd stop

# Restart linkerd
linkerd restart

# Check status
linkerd status

Configuración¶

# View configuration
linkerd config show

# Set configuration option
linkerd config set <key> <value>

# Reset configuration
linkerd config reset

Advanced Operations¶

# Verbose output
linkerd -v <command>

# Debug mode
linkerd --debug <command>

# Dry run (preview changes)
linkerd --dry-run <command>

# Force operation
linkerd --force <command>

File Operations¶

Command	Description
INLINE_CODE_23	Create new file
INLINE_CODE_24	Read file contents
INLINE_CODE_25	Update existing file
INLINE_CODE_26	Delete file
INLINE_CODE_27	Copy file
INLINE_CODE_28	Move file

Network Operations¶

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

# Listen on port
linkerd listen --port <port>

# Send data
linkerd send --data "<data>" --target <host>

# Receive data
linkerd receive --port <port>

Security Features¶

Authentication¶

# Login with credentials
linkerd login --user <username>

# Logout
linkerd logout

# Change password
linkerd passwd

# Generate API key
linkerd generate-key

Encryption¶

# Encrypt file
linkerd encrypt <file>

# Decrypt file
linkerd decrypt <file>

# Generate certificate
linkerd cert generate

# Verify signature
linkerd verify <file>

Troubleshooting¶

Common Issues¶

Issue: Command not found

# Check if installed
which linkerd

# Reinstall if necessary
sudo apt reinstall linkerd

Issue: Permission denied

# Run with sudo
sudo linkerd <command>

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

Issue: Errores de configuración

# Reset configuration
linkerd config reset

# Validate configuration
linkerd config validate

Debug Commands¶

Command	Description
INLINE_CODE_29	Enable debug output
INLINE_CODE_30	Verbose logging
INLINE_CODE_31	Run self-tests
INLINE_CODE_32	Check system health

Buenas prácticas¶

Security¶

Siempre verifique las sumas de comprobación al descargar
Use métodos de autenticación fuertes
Actualización regular a la última versión
Seguir el principio de mínimo privilegio

Performance¶

Usar tamaños adecuados de amortiguación
Supervisar el uso de los recursos
Optimize configuración para su caso de uso
Mantenimiento regular y limpieza

Maintenance¶

# Update linkerd
linkerd update

# Clean temporary files
linkerd clean

# Backup configuration
linkerd backup --config

# Restore from backup
linkerd restore --config <backup-file>

Integration¶

Scripting¶

#!/bin/bash
# Example script using linkerd

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

# Run linkerd with error handling
if linkerd <command>; then
    echo "Success"
else
    echo "Failed"
    exit 1
fi

API Integration¶

# Python example
import subprocess
import json

def run_linkerd(command):
    try:
        result = subprocess.run(['linkerd'] + command.split(),
                              capture_output=True, text=True)
        return result.stdout
    except Exception as e:
        print(f"Error: \\\\{e\\\\}")
        return None

Environment Variables¶

Variable	Description	Default
INLINE_CODE_33	Configuration file path	INLINE_CODE_34
INLINE_CODE_35	Home directory	INLINE_CODE_36
INLINE_CODE_37	Logging level	INLINE_CODE_38
INLINE_CODE_39	Operation timeout	INLINE_CODE_40

Archivo de configuración¶

# ~/.linkerd/config.yaml
version: "1.0"
settings:
  debug: false
  timeout: 30
  log_level: "INFO"

network:
  host: "localhost"
  port: 8080
  ssl: true

security:
  auth_required: true
  encryption: "AES256"

Ejemplos¶

Corrientes básicas de trabajo¶

# 1. Initialize
linkerd init

# 2. Configure
linkerd config set host example.com

# 3. Connect
linkerd connect

# 4. Perform operations
linkerd list
linkerd create example

# 5. Cleanup
linkerd disconnect

Advanced Workflow¶

# Automated deployment
linkerd deploy \
  --config production.yaml \
  --environment prod \
  --verbose \
  --timeout 300

# Monitoring
linkerd monitor \
  --interval 60 \
  --alert-threshold 80 \
  --log-file monitor.log

Resources¶

Official Documentation¶

[Sitio web oficial](URL_47__
[Documentación](URL_48__
[API Referencia](URL_49__

Community¶

[Repositorio GitHub](URL_50__
[Ssue Tracker](URL_51__
[Foro de la Comunidad](URL_52__

Tutorials¶

[Obtener la guía inicial](URL_53_
[Uso avanzado](URL_54_
[Las mejores prácticas](URL_55__

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Última actualización: 2025-07-05