Add Entity/Concept pages for memory system
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title: Monitoring-System
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category: Infrastructure
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tags: [monitoring, network-scans, security, cronjob]
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created: "2026-04-28"
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modified: "2026-04-28"
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---
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# Monitoring-System
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## Netzwerk-Scans
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- **Häufigkeit:** Wöchentlich
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- **Cronjob:** SRE-Agent (infra-sre)
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- **Scan-Bereiche:**
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- 10.0.10.x/24 (Gateway)
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- 10.0.20.x/24 (Hypervisoren)
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- 10.0.30.x/24 (Container/VMs)
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- 10.0.40.x/24 (Clients)
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- 10.0.50.x/24 (Smart Home, 26 hosts)
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- 10.0.60.x/24 (DMZ/Reverse Proxies)
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## Smart Home Monitoring
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- **Hosts:** 26 in 10.0.50.x
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- **Scan-Methode:** SEGMENTS Dictionary
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- **Ziel:** Geräte-Status und Verfügbarkeit
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## Security-Checks
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- **SSH-Versionen:** 9.2p1-10.0p2 (gemischt)
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- **TLS-Zertifikate:** Keine CN, self-signed oder SAN-only
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- **Ports:** 2222 (SSH), 3306 (MySQL)
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## Wichtige Befehle
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```bash
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# Netzwerk-Scan durchführen
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nmap -sn 10.0.20.0/24
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# SSH-Version prüfen
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ssh -V
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# TLS-Zertifikat prüfen
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openssl s_client -connect <host>:<port>
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```
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## Cronjobs
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- **Netzwerk-Scan:** Wöchentlich
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- **Smart Home Scan:** Täglich
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- **Rechnungen-Organizer:** Täglich 09:00 Uhr
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- **Memory-Sync:** Täglich 06:00, 12:00, 18:00 Uhr
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