PagerDuty, Alertmanager, Azure Alerts — actionable alerts, on-call rotations, and incident response.
Five passes over the same idea, each from a different angle. Do them in order, or jump to whichever you need.
Effective alerting notifies the right people about real issues. Key concepts: alert rules and thresholds, severity levels, routing and escalation, on-call rotations, alert fatigue prevention, runbooks, and incident response processes. Tools: Alertmanager, PagerDuty, OpsGenie, and Azure Monitor Alerts.