R2¶

_

Umfassende r2 Befehle und Workflows für die Systemverwaltung auf allen Plattformen.

oder Grundlegende Befehle

Command	Description
INLINE_CODE_22	Show r2 version
INLINE_CODE_23	Display help information
INLINE_CODE_24	Initialize r2 in current directory
INLINE_CODE_25	Check current status
INLINE_CODE_26	List available options
INLINE_CODE_27	Display system information
INLINE_CODE_28	Show configuration settings
INLINE_CODE_29	Update to latest version
INLINE_CODE_30	Start r2 service
INLINE_CODE_31	Stop r2 service
INLINE_CODE_32	Restart r2 service
INLINE_CODE_33	Reload configuration

• Installation

Linux/Ubuntu¶

# Package manager installation
sudo apt update
sudo apt install r2

# Alternative installation
wget https://github.com/example/r2/releases/latest/download/r2-linux
chmod +x r2-linux
sudo mv r2-linux /usr/local/bin/r2

# Build from source
git clone https://github.com/example/r2.git
cd r2
make && sudo make install
```_

### macOS
```bash
# Homebrew installation
brew install r2

# MacPorts installation
sudo port install r2

# Manual installation
curl -L -o r2 https://github.com/example/r2/releases/latest/download/r2-macos
chmod +x r2
sudo mv r2 /usr/local/bin/
```_

### Windows
```powershell
# Chocolatey installation
choco install r2

# Scoop installation
scoop install r2

# Winget installation
winget install r2

# Manual installation
# Download from https://github.com/example/r2/releases
# Extract and add to PATH
```_

Konfiguration

|Command|Description|
|---------|-------------|
|__INLINE_CODE_34__|Display current configuration|
|__INLINE_CODE_35__|List all configuration options|
|__INLINE_CODE_36__|Set configuration value|
|__INLINE_CODE_37__|Get configuration value|
|__INLINE_CODE_38__|Remove configuration value|
|__INLINE_CODE_39__|Reset to default configuration|
|__INLINE_CODE_40__|Validate configuration file|
|__INLINE_CODE_41__|Export configuration to file|
_
Fortgeschrittene Aktivitäten

### Dateioperationen
```bash
# Create new file/resource
r2 create <name>

# Read file/resource
r2 read <name>

# Update existing file/resource
r2 update <name>

# Delete file/resource
r2 delete <name>

# Copy file/resource
r2 copy <source> <destination>

# Move file/resource
r2 move <source> <destination>

# List all files/resources
r2 list --all

# Search for files/resources
r2 search <pattern>
```_

### Network Operations
```bash
# Connect to remote host
r2 connect <host>:<port>

# Listen on specific port
r2 listen --port <port>

# Send data to target
r2 send --target <host> --data "<data>"

# Receive data from source
r2 receive --source <host>

# Test connectivity
r2 ping <host>

# Scan network range
r2 scan <network>

# Monitor network traffic
r2 monitor --interface <interface>

# Proxy connections
r2 proxy --listen <port> --target <host>:<port>
```_

### Process Management
```bash
# Start background process
r2 start --daemon

# Stop running process
r2 stop --force

# Restart with new configuration
r2 restart --config <file>

# Check process status
r2 status --verbose

# Monitor process performance
r2 monitor --metrics

# Kill all processes
r2 killall

# Show running processes
r2 ps

# Manage process priority
r2 priority --pid <pid> --level <level>
```_

Â Sicherheitsmerkmale

### Authentication
```bash
# Login with username/password
r2 login --user <username>

# Login with API key
r2 login --api-key <key>

# Login with certificate
r2 login --cert <cert_file>

# Logout current session
r2 logout

# Change password
r2 passwd

# Generate new API key
r2 generate-key --name <key_name>

# List active sessions
r2 sessions

# Revoke session
r2 revoke --session <session_id>
```_

### Verschlüsselung
```bash
# Encrypt file
r2 encrypt --input <file> --output <encrypted_file>

# Decrypt file
r2 decrypt --input <encrypted_file> --output <file>

# Generate encryption key
r2 keygen --type <type> --size <size>

# Sign file
r2 sign --input <file> --key <private_key>

# Verify signature
r2 verify --input <file> --signature <sig_file>

# Hash file
r2 hash --algorithm <algo> --input <file>

# Generate certificate
r2 cert generate --name <name> --days <days>

# Verify certificate
r2 cert verify --cert <cert_file>
```_

Überwachung und Protokollierung

### System Monitoring
```bash
# Monitor system resources
r2 monitor --system

# Monitor specific process
r2 monitor --pid <pid>

# Monitor network activity
r2 monitor --network

# Monitor file changes
r2 monitor --files <directory>

# Real-time monitoring
r2 monitor --real-time --interval 1

# Generate monitoring report
r2 report --type monitoring --output <file>

# Set monitoring alerts
r2 alert --threshold <value> --action <action>

# View monitoring history
r2 history --type monitoring
```_

### Logging
```bash
# View logs
r2 logs

# View logs with filter
r2 logs --filter <pattern>

# Follow logs in real-time
r2 logs --follow

# Set log level
r2 logs --level <level>

# Rotate logs
r2 logs --rotate

# Export logs
r2 logs --export <file>

# Clear logs
r2 logs --clear

# Archive logs
r2 logs --archive <archive_file>
```_

Fehlerbehebung

### Häufige Fragen

**Issue: Befehl nicht gefunden*
```bash
# Check if r2 is installed
which r2
r2 --version

# Check PATH variable
echo $PATH

# Reinstall if necessary
sudo apt reinstall r2
# or
brew reinstall r2
```_

**Issue: Genehmigung verweigert**
```bash
# Run with elevated privileges
sudo r2 <command>

# Check file permissions
ls -la $(which r2)

# Fix permissions
chmod +x /usr/local/bin/r2

# Check ownership
sudo chown $USER:$USER /usr/local/bin/r2
```_

**Issue: Konfigurationsfehler*
```bash
# Validate configuration
r2 config validate

# Reset to default configuration
r2 config reset

# Check configuration file location
r2 config show --file

# Backup current configuration
r2 config export > backup.conf

# Restore from backup
r2 config import backup.conf
```_

**Issue: Service nicht starten* *
```bash
# Check service status
r2 status --detailed

# Check system logs
journalctl -u r2

# Start in debug mode
r2 start --debug

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

# Kill conflicting processes
r2 killall --force
```_

### Debug Commands

|Command|Description|
|---------|-------------|
|__INLINE_CODE_42__|Enable debug output|
|__INLINE_CODE_43__|Enable verbose logging|
|__INLINE_CODE_44__|Enable trace logging|
|__INLINE_CODE_45__|Run built-in tests|
|__INLINE_CODE_46__|Run system health check|
|__INLINE_CODE_47__|Generate diagnostic report|
|__INLINE_CODE_48__|Run performance benchmarks|
|__INLINE_CODE_49__|Validate installation and configuration|

Â Leistungsoptimierung

### Resource Management
```bash
# Set memory limit
r2 --max-memory 1G <command>

# Set CPU limit
r2 --max-cpu 2 <command>

# Enable caching
r2 --cache-enabled <command>

# Set cache size
r2 --cache-size 100M <command>

# Clear cache
r2 cache clear

# Show cache statistics
r2 cache stats

# Optimize performance
r2 optimize --profile <profile>

# Show performance metrics
r2 metrics
```_

### Parallel Processing
```bash
# Enable parallel processing
r2 --parallel <command>

# Set number of workers
r2 --workers 4 <command>

# Process in batches
r2 --batch-size 100 <command>

# Queue management
r2 queue add <item>
r2 queue process
r2 queue status
r2 queue clear
```_

Integration

### Scripting
```bash
#!/bin/bash
# Example script using r2

set -euo pipefail

# Configuration
CONFIG_FILE="config.yaml"
LOG_FILE="r2.log"

# Check if r2 is available
if ! command -v r2 &> /dev/null; then
    echo "Error: r2 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 r2 operation"

    if r2 --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"
    r2 cleanup
\\\\}

# Set trap for cleanup
trap cleanup EXIT

# Run main function
main "$@"
```_

### API Integration
```python
#!/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))
```_

Umweltvariablen

|Variable|Description|Default|
|----------|-------------|---------|
|__INLINE_CODE_50__|Configuration file path|__INLINE_CODE_51__|
|__INLINE_CODE_52__|Home directory|__INLINE_CODE_53__|
|__INLINE_CODE_54__|Logging level|__INLINE_CODE_55__|
|__INLINE_CODE_56__|Log file path|__INLINE_CODE_57__|
|__INLINE_CODE_58__|Cache directory|__INLINE_CODE_59__|
|__INLINE_CODE_60__|Data directory|__INLINE_CODE_61__|
|__INLINE_CODE_62__|Default timeout|__INLINE_CODE_63__|
|__INLINE_CODE_64__|Maximum workers|__INLINE_CODE_65__|

Datei konfigurieren

```yaml
# ~/.r2/config.yaml
version: "1.0"

# General settings
settings:
  debug: false
  verbose: false
  log_level: "INFO"
  log_file: "~/.r2/logs/r2.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: "~/.r2/cache"
  max_memory: "1G"

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

Beispiele

Basis-Workflow¶

```bash

1. Initialize r2¶

r2 init

2. Configure basic settings¶

r2 config set host example.com r2 config set port 8080

3. Start service¶

r2 start

4. Check status¶

r2 status

5. Perform operations¶

r2 run --target example.com

6. View results¶

r2 results

7. Stop service¶

r2 stop ```_

Advanced Workflow¶

```bash

Comprehensive operation with monitoring¶

r2 run \ --config production.yaml \ --parallel \ --workers 8 \ --verbose \ --timeout 300 \ --output json \ --log-file operation.log

Monitor in real-time¶

r2 monitor --real-time --interval 5

Generate report¶

r2 report --type comprehensive --output report.html ```_

Automation Beispiel¶

```bash

!/bin/bash¶

Automated r2 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..."

r2 \
    --config "$CONFIG_FILE" \
    --output json \
    --output-file "$RESULTS_DIR/$\\\\{target\\\\}.json" \
    run "$target"

done < "$TARGETS_FILE"

Generate summary report¶

r2 report summary \ --input "$RESULTS_DIR/*.json" \ --output "$RESULTS_DIR/summary.html" ```_

oder Best Practices

Sicherheit¶

Überprüfen Sie immer Prüfsummen beim Herunterladen von Binaries
Verwenden Sie starke Authentifizierungsmethoden (API-Tasten, Zertifikate)
Regelmäßig auf die neueste Version aktualisieren
Prinzip der Mindestberechtigung
Aktivieren Sie Auditprotokoll für Compliance
Verwenden Sie verschlüsselte Verbindungen, wenn möglich
Alle Eingänge und Konfigurationen validieren
Implementierung der richtigen Zugangskontrollen

Performance¶

Verwenden Sie geeignete Ressourcengrenzen für Ihre Umwelt
Systemleistung regelmäßig überwachen
Optimieren Sie die Konfiguration für Ihren Anwendungsfall
Verwenden Sie parallele Verarbeitung, wenn nützlich
Durchführung richtiger Cache-Strategien
Regelmäßige Wartung und Reinigung
Profilleistung Engpässe
Verwenden Sie effiziente Algorithmen und Datenstrukturen

Operational¶

umfassende Dokumentation
Implementierung von richtigen Backup-Strategien
Verwenden Sie die Versionssteuerung für Konfigurationen
Überwachung und Alarmierung von kritischen Metriken
Implementierung einer korrekten Fehlerbehandlung
Automatisierung für repetitive Aufgaben verwenden
Regelmäßige Sicherheitsaudits und Updates
Plan zur Katastrophenrückgewinnung

Entwicklung¶

Befolgen Sie Kodierungsstandards und Konventionen
Vollständige Tests schreiben
Verwenden Sie die kontinuierliche Integration / Bereitstellung
Durchführung der richtigen Protokollierung und Überwachung
Dokumente APIs und Schnittstellen
Verwenden Sie die Versionskontrolle effektiv
Prüfcode regelmäßig
Rückwärtskompatibilität sichern

Ressourcen

Git - Komplementärfunktionalität
(docker.md) - Alternative Lösung
Kubernetes - Integrationspartner

--

Letzte Aktualisierung: 2025-07-06|Bearbeiten auf GitHub

R2¶

Linux/Ubuntu¶

Basis-Workflow¶

1. Initialize r2¶

2. Configure basic settings¶

3. Start service¶

4. Check status¶

5. Perform operations¶

6. View results¶

7. Stop service¶

Advanced Workflow¶

Comprehensive operation with monitoring¶

Monitor in real-time¶

Generate report¶

Automation Beispiel¶

!/bin/bash¶

Automated r2 workflow¶

Configuration¶

Create results directory¶

Process each target¶

Generate summary report¶

Sicherheit¶

Performance¶

Operational¶

Entwicklung¶

Offizielle Dokumentation¶

Community Resources¶

Lernressourcen¶

Related Tools¶