A simple guide to the critical PHP security alert, the risks for websites and the checks owners should request from their hosting provider.
Most engineering rules age badly. These nine, about failure, error budgets, on-call, postmortems and complexity, tend to survive every change in tooling.
Debugging Incident Response Observability Site Reliability Engineering Software Architecture Software Testing
Quick summary Reproduce the symptom: Start with a clear difference between expected and actual behaviour. Isolate the cause: Reduce the case and use logs, metrics and traces to find where behaviour changes. Test one hypothesis: Make a focused change that can confirm or reject a specific explanation. Verify the fix: Check the outcome and add […]