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R2

generieren

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

Grundlegende Befehle

| | Command | Description | | | --- | --- | | | r2 --version | Show r2 version | | | | r2 --help | Display help information | | | | r2 init | Initialize r2 in current directory | | | | r2 status | Check current status | | | | r2 list | List available options | | | | r2 info | Display system information | | | | r2 config | Show configuration settings | | | | r2 update | Update to latest version | | | | r2 start | Start r2 service | | | | r2 stop | Stop r2 service | | | | r2 restart | Restart r2 service | | | | r2 reload | Reload configuration | |

Installation

Linux/Ubuntu

```bash

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 | | | --- | --- | | | r2 config show | Display current configuration | | | | r2 config list | List all configuration options | | | | r2 config set <key> <value> | Set configuration value | | | | r2 config get <key> | Get configuration value | | | | r2 config unset <key> | Remove configuration value | | | | r2 config reset | Reset to default configuration | | | | r2 config validate | Validate configuration file | | | | r2 config export | Export configuration to file | |

Erweiterte Operationen

Dateioperationen

```bash

Create new file/resource

r2 create

Read file/resource

r2 read

Update existing file/resource

r2 update

Delete file/resource

r2 delete

Copy file/resource

r2 copy

Move file/resource

r2 move

List all files/resources

r2 list --all

Search for files/resources

r2 search ```_

Netzwerkaktivitäten

```bash

Connect to remote host

r2 connect :

Listen on specific port

r2 listen --port

Send data to target

r2 send --target --data ""

Receive data from source

r2 receive --source

Test connectivity

r2 ping

Scan network range

r2 scan

Monitor network traffic

r2 monitor --interface

Proxy connections

r2 proxy --listen --target : ```_

Prozessmanagement

```bash

Start background process

r2 start --daemon

Stop running process

r2 stop --force

Restart with new configuration

r2 restart --config

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 --level ```_

Sicherheitsmerkmale

Authentication

```bash

Login with username/password

r2 login --user

Login with API key

r2 login --api-key

Login with certificate

r2 login --cert

Logout current session

r2 logout

Change password

r2 passwd

Generate new API key

r2 generate-key --name

List active sessions

r2 sessions

Revoke session

r2 revoke --session ```_

Verschlüsselung

```bash

Encrypt file

r2 encrypt --input --output

Decrypt file

r2 decrypt --input --output

Generate encryption key

r2 keygen --type --size

Sign file

r2 sign --input --key

Verify signature

r2 verify --input --signature

Hash file

r2 hash --algorithm --input

Generate certificate

r2 cert generate --name --days

Verify certificate

r2 cert verify --cert ```_

Überwachung und Protokollierung

Systemüberwachung

```bash

Monitor system resources

r2 monitor --system

Monitor specific process

r2 monitor --pid

Monitor network activity

r2 monitor --network

Monitor file changes

r2 monitor --files

Real-time monitoring

r2 monitor --real-time --interval 1

Generate monitoring report

r2 report --type monitoring --output

Set monitoring alerts

r2 alert --threshold --action

View monitoring history

r2 history --type monitoring ```_

Protokoll

```bash

View logs

r2 logs

View logs with filter

r2 logs --filter

Follow logs in real-time

r2 logs --follow

Set log level

r2 logs --level

Rotate logs

r2 logs --rotate

Export logs

r2 logs --export

Clear logs

r2 logs --clear

Archive logs

r2 logs --archive ```_

Fehlerbehebung

Gemeinsame Themen

*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

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

Kill conflicting processes

r2 killall --force ```_

Debug Befehle

| | Command | Description | | | --- | --- | | | r2 --debug | Enable debug output | | | | r2 --verbose | Enable verbose logging | | | | r2 --trace | Enable trace logging | | | | r2 test | Run built-in tests | | | | r2 doctor | Run system health check | | | | r2 diagnose | Generate diagnostic report | | | | r2 benchmark | Run performance benchmarks | | | | r2 validate | Validate installation and configuration | |

Leistungsoptimierung

Ressourcenmanagement

```bash

Set memory limit

r2 --max-memory 1G

Set CPU limit

r2 --max-cpu 2

Enable caching

r2 --cache-enabled

Set cache size

r2 --cache-size 100M

Clear cache

r2 cache clear

Show cache statistics

r2 cache stats

Optimize performance

r2 optimize --profile

Show performance metrics

r2 metrics ```_

Parallele Verarbeitung

```bash

Enable parallel processing

r2 --parallel

Set number of workers

r2 --workers 4

Process in batches

r2 --batch-size 100

Queue management

r2 queue add r2 queue process r2 queue status r2 queue clear ```_

Integration

Schrift

```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 | | | --- | --- | --- | | | R2_CONFIG | Configuration file path | ~/.r2/config.yaml | | | | R2_HOME | Home directory | ~/.r2 | | | | R2_LOG_LEVEL | Logging level | INFO | | | | R2_LOG_FILE | Log file path | ~/.r2/logs/r2.log | | | | R2_CACHE_DIR | Cache directory | ~/.r2/cache | | | | R2_DATA_DIR | Data directory | ~/.r2/data | | | | R2_TIMEOUT | Default timeout | 30s | | | | R2_MAX_WORKERS | Maximum workers | 4 | |

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 ```_

Erweiterter 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 ```_

Automatisierungsbeispiel

```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" ```_

Best Practices

Sicherheit

  • Prüfsummen beim Herunterladen von Binaries immer überprüfen
  • Verwenden Sie starke Authentifizierungsmethoden (API-Tasten, Zertifikate)
  • Regelmäßig auf die neueste Version aktualisieren
  • Prinzip der Mindestberechtigung
  • Audit-Logging aktivieren für Compliance
  • Verschlüsselte Verbindungen verwenden, wenn möglich
  • Alle Eingänge und Konfigurationen validieren
  • Implementierung richtiger Zugriffskontrollen

Leistung

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

Betrieb

  • umfassende Dokumentation
  • Umsetzung richtiger Backup-Strategien
  • Verwenden Sie die Versionssteuerung für Konfigurationen
  • Monitor und Alarm auf kritischen Metriken
  • Implementierung der richtigen 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 einer ordnungsgemäßen Protokollierung und Überwachung
  • Dokumente APIs und Schnittstellen
  • Verwenden Sie die Versionskontrolle effektiv
  • Prüfcode regelmäßig
  • Rückwärtskompatibilität sichern

Ressourcen

Offizielle Dokumentation

Gemeinschaftsmittel

Lernressourcen

In den Warenkorb

  • Git - Komplementärfunktionalität
  • Docker - Alternative Lösung
  • Kubernetes - Integrationspartner

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