Harry talks about XYZ

Hi there! This is my blog where I share my thoughts on Information Technology and other XYZ topics. I'd love to hear from you, so please leave a comment or say hello.

Monitor Stalwart HA clusters with Grafana Cloud

Learn how to monitor your Stalwart HA cluster by sending logs, metrics, and traces to Grafana Cloud using Prometheus and Alloy for a single pane of glass.

Upgrading high-availability Stalwart cluster

Step-by-step guide to upgrading your high-availability Stalwart mail server cluster to version 0.15.5 using Docker Compose while maintaining system uptime.

Backup Longhorn volumes to S3

Learn to back up Kubernetes Longhorn volumes to AWS S3. This step-by-step guide covers S3 storage configuration, Sealed Secrets, and recurring backup jobs.