Posts category

Linux Server

Kernel Hardening Defaults: sysctl, lockdown mode, module signing

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March 7, 2026

DR Readiness Checks: Backup Freshness und Restore Drills automatisieren

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March 7, 2026

Kernel Module Governance: Blacklisting, allowlists und inventory

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March 7, 2026

Minimal Install Strategy: Angriffsfläche reduzieren durch Paket-Whitelists

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March 7, 2026

Repository Trust: GPG, pinning, mirrors und supply-chain controls

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March 7, 2026

Patch Management Setup: Maintenance Windows, Reboots und Live Patching

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March 7, 2026

Reboot Orchestration: Verfügbarkeit halten mit gestaffelten Updates

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March 7, 2026

CVE Triage Pipeline: Exploitability, Exposure und Compensating Controls

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March 7, 2026

Observability-by-Default: Metrics, Logs und Traces im Server Setup

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March 7, 2026

Prometheus Node Exporter Hardening: TLS, auth und least privilege

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March 7, 2026