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yo, I'm into DevSecOps, kernel inner workings, all things virtualization, tracing, and lately trying to understand: 1) The assembler, linker, ELF gen and loader stages, 2) reversing, binary exploitation, DFIR and 3) functional programming. I also like to delve into sequential art theory, sakuga intrinsics and any underground or missing facts (usually related to archivist communities) to understand anime and manga, specially the old ones. Not exactly in this order.

PS: I believe that training to attain second nature is more natural and have a better outcome than traditional evaluation systems, which relates with gestalt learning and is also linked with how knowledge is shared in FOSS communities. This eflects in how contents are presented here as well :v

Pinned side projects, mostly still WIP:

  • talvlab, k3s lab bootstrapping with IaaC
  • rrkgo, deploying Apache Spark with sparklyr on a k3s cluster
  • ktraced, kernel tracing and language runtime profiling scripts
  • deorice, rice of my Linux distro dotfiles
  • lkp, *nix preseeding scripts and kernel labs
  • these kata are also an eternal work in progress

Currently getting these to work:

  • getting an early userspace to boot on QEMU: eulab-poc, 90%
  • rstdtmp, a blog template with actix-rs and yew
  • meuCafeList: deploying a MAL clone with a slim JRE and yew-rs
  • hottfuncd, an environment for practical math journaling and proof testing

What I think I am familiar with:

Languages/Runtimes:

Python  Java  C  JavaScript Typescript Node.js R HTML5 CSS3 Rust Lua ShellScript LaTeX GNU awk - DSL sed - script

Frameworks

Flask Express.js vue3 Chart.js Hugo Vite

Infrastructure

Linux  Git  Manjaro Arch Alpine Linux busybox Termux Ubuntu Debian QEMU systemd Vagrant Ansible Github Actions Apache Maven Nginx

OCI Containers & Orchestration

Podman Docker Kubernetes k3s - k8s containerd wasm/WebAssembly

Observability: Tracing, Profiling

Ftrace perf_events ./images/bpftrace.png Grafana Prometheus perf_events termshark

SaaS

Github Pages Heroku Netlify Vercel

Data Science/Engineering

Apache Spark Jupyter Notebooks

Databases

Postgres SQLite

In Progress

aya-rs BCC youki kata-containers gvisor firecracker Go/Golang Jenkins OpenBSD Redis Android Wireguard radare2 yara FreeBSD Mongodb Elixir Erlang Haskell OCaml Perl Deno JS Clojure systemd - nspawn

Misc

Editors I use as IDE

vim Neovim Sublime Text

Graphics

Blender GIMP Inkscape Excalidraw ImageMagick FFmpeg

deomorxsy's Projects

bpc-buildahctions icon bpc-buildahctions

[DROPPED] spark-on-k8s-operator compliant sparklyr OCI container image created through Buildah action and pushed to Registry. It checks for pushing events.

cardapi002rhr icon cardapi002rhr

[ON-HOLD] (82%) simple crud API with typescript and nodejs.

deorice icon deorice

Dotfile rice mostly for IDEs and window managers

durcrhr icon durcrhr

basic CRUD application frontend using Vue3 as framework, served by Vite and styled using tailwind-css.

eulab-poc icon eulab-poc

minimal early userspace (+networking) POC for kernel dev with qemu and busybox

htbirb icon htbirb

A proof-of-concept common gateway interface (CGI) with bsd sockets from scratch in java.

kata icon kata

Practice from platforms about programming or infrastructure

ktraced icon ktraced

Kernel tracing and language runtime profiling scripts ;D

lagunarhr02 icon lagunarhr02

simple frontend in angular to communicate with a backend API, v02

lkp icon lkp

*nix preseeding scripts and kernel labs

meucafelist icon meucafelist

A slim JRE and yew-rs setup to deploy your custom MAL list

neorm icon neorm

> basic user CRUD operations with Node, Sequelize and sqlite3.

posts icon posts

Repositório com alguns posts sobre Linux.

rrkgo icon rrkgo

Apache Spark workload orchestration with sparklyr package as API and k3s distro as cluster manager.

rstdtmp icon rstdtmp

personal blog website template in rust

rustlings icon rustlings

[WIP // 50%] :crab: rustlings solutions \o/

sgym icon sgym

Simple compojure project written in clojure.

vlusk icon vlusk

[mirror] fullstack PoC monorepo for data visualization with Python/Flask and Node/Vue.js

vlusk-primer icon vlusk-primer

[ON-HOLD] fullstack PoC monorepo for data visualization with Python/Flask and Node/Vue.js

xtensa-qemetsu icon xtensa-qemetsu

[WIP] simple presence-based lighting control with esp32 and QEMU

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