Table of contents: 1. Logs, trees, forest: the big picture 2. What is a log? 3. Log data sources 4. Log storage technologies 5. Syslog-NG case study 6. Covert logging 7. Analysis goals, planning, and preparation: what are we looking for? 8. Simple analysis techniques 9. Filtering, normalization, and correlation 10. Statistical analysis 11. Log data mining 12. Reporting and summariza…