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Cloud, DevOps & SRE Blog

Practical architecture notes, production hardening checklists, and post-mortem lessons from building and operating resilient Linux and cloud-native infrastructure.

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Oct 20, 2026•3 min read

Production Kubernetes Hardening Guide: From Cluster to Pods

A SRE and DevOps checklist for securing production Kubernetes clusters using Pod Security Standards, default-deny NetworkPolicies, and RBAC least privilege.

KubernetesDevOpsSecurityPlatform Engineering

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Oct 12, 2026•3 min read

Zero-Downtime Load Balancing with Nginx and HAProxy in Production

Architectural patterns for high-availability Layer 4 and Layer 7 load balancing, active health checks, graceful connection draining, and kernel TCP tuning.

NginxHAProxyNetworkingLinuxSRE

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Oct 4, 2026•2 min read

Designing Actionable SRE Alerting with Prometheus and Grafana

How to eliminate alert fatigue by replacing noisy threshold alerts with multi-window SLO error-budget burn-rate alerts in Prometheus.

PrometheusGrafanaObservabilitySREMonitoring

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