Operations

Guides for operating, monitoring, and maintaining Sentinel in production.

Operations Guides

GuideDescription
TroubleshootingDiagnosing and resolving common issues
Health MonitoringHealth checks, probes, and alerting
Migration GuideMigrating from nginx, HAProxy, Traefik
Incident ResponseProcedures for handling production incidents
Security HardeningBest practices for securing deployments
Capacity PlanningSizing and scaling guidelines
Upgrade GuideUpgrade and migration procedures

Quick Diagnostics

# Check if Sentinel is running
systemctl status sentinel

# Validate configuration
sentinel --test --config sentinel.kdl

# View health status
curl http://localhost:9090/health

# Check upstream health
curl http://localhost:9090/admin/upstreams

Key Signals

  • SIGHUP - Reload configuration
  • SIGTERM / SIGINT - Graceful shutdown