Rafael Passos

[EN] I recently presented a study about how concurrency bugs happen in the Linux Kernel to my research group.

I found a serious boot failure bug in Linux 7.1 during the stabilization phase.Dogfooding works!

Digging through my photos, I realized I have been running my home lab since March 2016 when I bought my first Raspberry Pi 3.

In my last post, I described my current effort to find bugs, regressions, and compilation warnings on Linux, to open up contribution opportunities in hardware I can test.

In 2024, I contributed to the Linux Kernel by performing janitorial work, fixing compiler warnings (unused variables, variable shadowing, and typos in comments).

First, the mistake.I was changing my fstab from the tty, after moving my home partition.

> ArgoCD synchronizes application status in Kubernetes, usually tracking a git commit, branch, or Helm chart tag. > When building and deploying from a CI/CD workflow, I want an instant success/failure response. > This post describes how I did it.

My first contact with eBPF was reading about a networking tool for Kubernetes called Cilium.

In my previous post, I talked about my studies on Kernel Development with a simpler Unix-like OS, called xv6.

> After years of working in high-level development, I decided it was time to delve deeper. > I decided to learn more about how Operating Systems are built. > This is my inaugural article on the topic, and it covers how to compile the necessary tools and r…

In my last blog post, I shared the latest tool that I have added to my arsenal - Apache Arrow (or the libraries based on it).

> In the field of Data Engineering, the Apache Spark framework is one of the most known and powerful ways to extract and process data. > It is well-trusted, and it is also very simple to use once you get the infrastructure set up. > Understandably, most e…

This is a (small) presentation I gave to my coworkers at CEPESC.

> If you want to write LaTeX on your machine, VS Code is a great option for you!