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This guide shows how to turn noisy SSH auth logs into actionable insights with a lightweight Bash pipeline: normalize entries via journalctl+gawk to JSON, summarize with jq (totals, top IPs/users, hourly spikes), and generate a concise security brief via an LLM (Ollama or cloud) with concrete hardening steps (Fail2ban, SSH key-only, targeted blocks). Includes setup, examples, and cron automation for daily triage.