Contributions should improve operational correctness and clarity.
- Use original wording and examples.
- Prefer observation before mutation.
- Explain risk, scope, verification, and rollback for system changes.
- Link to authoritative manual pages or project documentation.
- Never include credentials, private infrastructure details, or copied course material.
- Verify Markdown links and shell examples before opening a pull request.
- Describe the operational problem.
- Explain the relevant system model.
- Provide bounded investigation commands.
- Identify common mistakes.
- Include verification and primary references.