cyberneticlibrary

Debug software, data, and infrastructure issues

debugskillsetup L30
vanducng/skills
What it does

Find root cause systematically across software, data, infra, analytics

Best for

Debugging across software/data/infra layers when the cause isn't obvious from symptoms alone

Inputs
  • · Error description or issue statement
  • · Error logs, test output, or incident description
Outputs
  • · Root cause analysis
  • · Verified fix
  • · Layer-by-layer validation report
Requires
  • · psql/bq (database)
  • · kubectl/git (infrastructure)
  • · CI logs via gh
  • · dbt/Airflow CLIs (data)
Preconditions
  • · Access to error logs and affected systems
Failure modes
  • · No logs available
  • · Multi-layer issue obscures root cause
Trust signals
  • · Structured 4-layer methodology
  • · Fresh evidence required before claiming done
  • · Defense-in-depth validation