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$ whoami

This is some of the stuff that I do from time to time:

Linux Distribution Work

Sorted new to old:

  • Slackware - riscv64 port: Slackware, the port for riscv64.
  • Gentoo: Retired developer. Used gentoo a lot for modifying and testing the compilation options, to understand how to get a bit more speed on the UltraSparc architecture. I worked there on getting more packages to the UltraSparc achitecture.
  • Splack Linux: Slackware for Sparc and UltraSparc, active between 2001-2006. It had releases for several versions, and was mirrored my many free software "mirrors" around the world. At least two universities (in Costa Rica and Norway) had servers running in production with this distro. I'd like to continue with this project, but UltraSparc machines are expensive to get, and to ship to Costa Rica. Contact me if you'd like to donate hardware to the project.

Linux Kernel Work

  • XFS on sparc64: I did some testing for the SGI folks, testing how well XFS worked on a 64bit computer. Back in those days, very little archs were 64bits, so I like to think that some of the stability that XFS has on x86-64 and aarch64 might have come from this efforts.
  • General sparc64 stuff: The one in the link is a bit of a fight I had with hacker kernel extrordinaire Alan Cox, were some of the patches he was sending to lkml, broke audio on machines like the Blade100 from Sun. I was told that later patches would fix that, but they never came, so I think that to this day, it might be broken still. Did I won? Nope, no one won that day.

Alvaro Figueroa's Projects

luthier_designer icon luthier_designer

Tool for designing guitars, basses, archtops, ukuleles and other stringed instruments

magrathea icon magrathea

Robotic tools for reversing deforestation, improving biodiversity and forest managment

moneras icon moneras

Camera traps for following american primates, as well as many other wildlife

pedales icon pedales

Pedales y efectos para guitarra, bajo y otros instrumentos. Sencillos de construir.

photo_redlight icon photo_redlight

Red light for photography, using a CircuitPlayground from Adafruit

playground-diceware icon playground-diceware

A Reinhold’s “Diceware” password generator, for the upcomming Playground compatible with Micropython

playground_spool icon playground_spool

Alarm system for your 3D printer spool, to let you know of finished or failed prints

pyportal_covid19 icon pyportal_covid19

Using and Adafruit PyPortal to receive daily stats about the progress of Covid19 infections in your country

python-101-greencore-spanish icon python-101-greencore-spanish

Este repositorio contiene ejemplos vistos en el curso de Introducción a la Programación en Python en GreenCore solutions

python-uplog icon python-uplog

Uplog was an excelent tool to ping a host every second and log it. It's obsolete, so this is a rewrite in python.

ring icon ring

Safe, fast, small crypto using Rust

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