Fabio Lopes

More field notes

Practical writing on infrastructure, automation and reliability.

Oct 23, 202611 min read

SRE / DevOps

Production Engineering for Single-Node Workloads: Controlled Releases, SQLite Backups, and Native ARM Builds

Lessons from operating a Node/SQLite workload on Oracle Linux ARM: versioned releases, consistent backups, OCI Instance Principals, and the limits of a single-host design.

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Sep 17, 202514 min read

python / grafana

Automating Ceph Storage Forecasting with Grafana Mimir

End-to-end data pipeline that retrieves Ceph storage metrics from Grafana Mimir, processes forecasts using pandas and seaborn, generates actionable forecast charts with outlier …

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Jul 15, 202513 min read

aws

The Ultimate Guide to the AWS Certified Solutions Architect – Professional (SAP-C02) Exam

A comprehensive, scenario-based guide for the AWS Certified Solutions Architect – Professional (SAP-C02) exam, structured for quick reference.

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