Luigi Sambolino

Cloud & DevOps Engineer — building resilient, scalable systems with Kubernetes, OpenShift, and cloud-native technologies. Passionate about infrastructure automation, SRE practices, and sharing knowledge.

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Latest Blog Posts

• AZ-104: Azure Administrator Certification Guide

  As I study for the AZ-104 (Azure Administrator) certification, I’m documenting key concepts and knowledge to share with others on the same learning journey.

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• Kubernetes TLS Expiration: Critical Impact on Service Availability

  During routine operations, our pre-production Kubernetes cluster experienced a significant service disruption. This incident highlighted a critical infrastructure vulnerability: expired TLS certificates. This post documents the incident, root cause analysis, and remediation steps taken to prevent future occurrences.

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