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Nadel

generieren

Umfassende Nadelbefehle und Workflows für die Systemverwaltung auf allen Plattformen.

Grundlegende Befehle

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

Installation

Linux/Ubuntu

```bash

Package manager installation

sudo apt update sudo apt install needle

Alternative installation

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

Build from source

git clone https://github.com/example/needle.git cd needle make && sudo make install ```_

macOS

```bash

Homebrew installation

brew install needle

MacPorts installation

sudo port install needle

Manual installation

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

Windows

```powershell

Chocolatey installation

choco install needle

Scoop installation

scoop install needle

Winget installation

winget install needle

Manual installation

Download from https://github.com/example/needle/releases

Extract and add to PATH

```_

Konfiguration

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

Erweiterte Operationen

Dateioperationen

```bash

Create new file/resource

needle create

Read file/resource

needle read

Update existing file/resource

needle update

Delete file/resource

needle delete

Copy file/resource

needle copy

Move file/resource

needle move

List all files/resources

needle list --all

Search for files/resources

needle search ```_

Netzwerkaktivitäten

```bash

Connect to remote host

needle connect :

Listen on specific port

needle listen --port

Send data to target

needle send --target --data ""

Receive data from source

needle receive --source

Test connectivity

needle ping

Scan network range

needle scan

Monitor network traffic

needle monitor --interface

Proxy connections

needle proxy --listen --target : ```_

Prozessmanagement

```bash

Start background process

needle start --daemon

Stop running process

needle stop --force

Restart with new configuration

needle restart --config

Check process status

needle status --verbose

Monitor process performance

needle monitor --metrics

Kill all processes

needle killall

Show running processes

needle ps

Manage process priority

needle priority --pid --level ```_

Sicherheitsmerkmale

Authentication

```bash

Login with username/password

needle login --user

Login with API key

needle login --api-key

Login with certificate

needle login --cert

Logout current session

needle logout

Change password

needle passwd

Generate new API key

needle generate-key --name

List active sessions

needle sessions

Revoke session

needle revoke --session ```_

Verschlüsselung

```bash

Encrypt file

needle encrypt --input --output

Decrypt file

needle decrypt --input --output

Generate encryption key

needle keygen --type --size

Sign file

needle sign --input --key

Verify signature

needle verify --input --signature

Hash file

needle hash --algorithm --input

Generate certificate

needle cert generate --name --days

Verify certificate

needle cert verify --cert ```_

Überwachung und Protokollierung

Systemüberwachung

```bash

Monitor system resources

needle monitor --system

Monitor specific process

needle monitor --pid

Monitor network activity

needle monitor --network

Monitor file changes

needle monitor --files

Real-time monitoring

needle monitor --real-time --interval 1

Generate monitoring report

needle report --type monitoring --output

Set monitoring alerts

needle alert --threshold --action

View monitoring history

needle history --type monitoring ```_

Protokoll

```bash

View logs

needle logs

View logs with filter

needle logs --filter

Follow logs in real-time

needle logs --follow

Set log level

needle logs --level

Rotate logs

needle logs --rotate

Export logs

needle logs --export

Clear logs

needle logs --clear

Archive logs

needle logs --archive ```_

Fehlerbehebung

Gemeinsame Themen

*Issue: Befehl nicht gefunden ```bash

Check if needle is installed

which needle needle --version

Check PATH variable

echo $PATH

Reinstall if necessary

sudo apt reinstall needle

or

brew reinstall needle ```_

Issue: Genehmigung verweigert ```bash

Run with elevated privileges

sudo needle

Check file permissions

ls -la $(which needle)

Fix permissions

chmod +x /usr/local/bin/needle

Check ownership

sudo chown $USER:$USER /usr/local/bin/needle ```_

*Issue: Konfigurationsfehler ```bash

Validate configuration

needle config validate

Reset to default configuration

needle config reset

Check configuration file location

needle config show --file

Backup current configuration

needle config export > backup.conf

Restore from backup

needle config import backup.conf ```_

*Issue: Service nicht starten * ```bash

Check service status

needle status --detailed

Check system logs

journalctl -u needle

Start in debug mode

needle start --debug

Check port availability

netstat -tulpn|grep

Kill conflicting processes

needle killall --force ```_

Debug Befehle

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

Leistungsoptimierung

Ressourcenmanagement

```bash

Set memory limit

needle --max-memory 1G

Set CPU limit

needle --max-cpu 2

Enable caching

needle --cache-enabled

Set cache size

needle --cache-size 100M

Clear cache

needle cache clear

Show cache statistics

needle cache stats

Optimize performance

needle optimize --profile

Show performance metrics

needle metrics ```_

Parallele Verarbeitung

```bash

Enable parallel processing

needle --parallel

Set number of workers

needle --workers 4

Process in batches

needle --batch-size 100

Queue management

needle queue add needle queue process needle queue status needle queue clear ```_

Integration

Schrift

```bash

!/bin/bash

Example script using needle

set -euo pipefail

Configuration

CONFIG_FILE="config.yaml" LOG_FILE="needle.log"

Check if needle is available

if ! command -v needle &> /dev/null; then echo "Error: needle 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 needle operation"

if needle --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" needle 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 | | | --- | --- | --- | | | NEEDLE_CONFIG | Configuration file path | ~/.needle/config.yaml | | | | NEEDLE_HOME | Home directory | ~/.needle | | | | NEEDLE_LOG_LEVEL | Logging level | INFO | | | | NEEDLE_LOG_FILE | Log file path | ~/.needle/logs/needle.log | | | | NEEDLE_CACHE_DIR | Cache directory | ~/.needle/cache | | | | NEEDLE_DATA_DIR | Data directory | ~/.needle/data | | | | NEEDLE_TIMEOUT | Default timeout | 30s | | | | NEEDLE_MAX_WORKERS | Maximum workers | 4 | |

Datei konfigurieren

```yaml

~/.needle/config.yaml

version: "1.0"

General settings

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

Monitoring settings

monitoring: enabled: true interval: 60 metrics_enabled: true alerts_enabled: true ```_

Beispiele

Basis-Workflow

```bash

1. Initialize needle

needle init

2. Configure basic settings

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

3. Start service

needle start

4. Check status

needle status

5. Perform operations

needle run --target example.com

6. View results

needle results

7. Stop service

needle stop ```_

Erweiterter Workflow

```bash

Comprehensive operation with monitoring

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

Monitor in real-time

needle monitor --real-time --interval 5

Generate report

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

Automatisierungsbeispiel

```bash

!/bin/bash

Automated needle 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..."

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

done < "$TARGETS_FILE"

Generate summary report

needle 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