re:shift Ricardo Lourenço engineering blog

NVIDIA GPU Passthrough on Fedora with dual vendor GPUs

Getting VFIO GPU passthrough working on Fedora 44 with an Intel Arc for display and an NVIDIA RTX 3060 Ti for VM compute.

Read article →

Latest Posts

Red Hat Support MCP Server

An MCP server that connects Claude Code to the Red Hat knowledge base, support cases, and security advisories with token-efficient output.


GPU Cluster Networking on Kubernetes

An architectural deep-dive into how containers get direct GPU-to-network and GPU-to-storage access on Kubernetes with SR-IOV, Multus CNI, GPUDirect, and the full NVIDIA communication stack.


Harness Engineering for AI Agents

The emerging discipline of designing systems that make AI coding agents reliable and productive — context management, architectural constraints, and feedback loops.

See all posts →

Projects

OpenShift Fake GPU Operator

A Kubernetes operator that simulates GPU resources on OpenShift clusters for testing and development purposes, enabling GPU workload testing without physical hardware.

Go Kubernetes OpenShift Operator SDK

Ansible Automation Workbench

Web-based UI for managing AWX and Ansible Automation Platform environments. Single Go binary with embedded React frontend.

Go React TypeScript Kubernetes Helm

rfplourenco.com

This personal site and blog, built with Astro and Tailwind CSS. Static site generation, Markdown content collections, dark mode, and RSS feed.

Astro Tailwind CSS TypeScript
See all projects →