~/jpereira — zsh

Jorge Pereira

Senior technologist · 25+ years · Linux embedded, Wi-Fi, Digital TVSenior technologist · 25+ anos · Linux embarcado, Wi-Fi, TV Digital

$ whoami
On a sabbatical, working on personal projects and building something innovative · FreeRADIUS contributor · also into AI. Em período sabático, tocando projetos pessoais e construindo algo inovador · contribuidor do FreeRADIUS · e também com IA.

C/C++RADIUSIPv6Embedded LinuxDigital TVDevOpsLuaPerlAI / LLMssecurityblockchain

GitHub LinkedIn

what I do

o que eu faço

Now: sabbatical, focused on personal projects and building something innovative
Leadership: technical lead, software development lead, team coordinator and principal engineer
Networking: RADIUS, DHCP, GRE, IPv6, 802.1X/EAP, captive portals
Embedded: Linux (OpenWrt, uClinux), ARM/MIPS, PIC, Raspberry Pi
Digital TV (DTV): ISDB standards, hardware/software and codecs
C/C++ libs and modules (nginx, Apache, kqueue, parsers)
Security: SQL injection detection, authentication, cryptography
DevOps: Docker, Vagrant, AWS, vSphere
Automation and tools: Node.js, PHP, Python, Lua, Perl, Shell
AI: LLMs, agents and AI-assisted dev (Claude Code, Codex)
Open source: FreeRADIUS today, GNOME in the past (GTK/GLib, gtk-vnc), plus many other projects on my GitHub
Off-keyboard: climbing 🧗, downhill MTB 🚵, lifting 🏋️ — from Rio de Janeiro 🇧🇷

Agora: período sabático, focado em projetos pessoais e na construção de algo inovador
Liderança: tech lead, líder de desenvolvimento de software, coordenador de equipe e principal engineer
Redes: RADIUS, DHCP, GRE, IPv6, 802.1X/EAP, captive portals
Embarcados: Linux (OpenWrt, uClinux), ARM/MIPS, PIC, Raspberry Pi
TV Digital (DTV): padrões ISDB, hardware/software e codecs
Libs e módulos em C/C++ (nginx, Apache, kqueue, parsers)
Segurança: detecção de SQL injection, autenticação, criptografia
DevOps: Docker, Vagrant, AWS, vSphere
Automação e ferramentas: Node.js, PHP, Python, Lua, Perl, Shell
IA: LLMs, agentes e dev assistido por IA (Claude Code, Codex)
Open source: FreeRADIUS hoje, GNOME no passado (GTK/GLib, gtk-vnc) e vários outros projetos no meu GitHub
Fora do teclado: escalada 🧗, downhill 🚵, musculação 🏋️ — direto do Rio de Janeiro 🇧🇷

In the tech world since 1996. The full story is on my LinkedIn.

No mundo da tecnologia desde 1996. A história completa está no meu LinkedIn.

projects

projetos

softgrefeatured

🌐 Dynamic GRE Encapsulation, (a.k.a SoftGRE)

C★ 6⑂ 9

zapbotfeatured

🇧🇷🤖 Bot para WhatsApp escrito em Node.js que roda em cima de uma sessão real do WhatsApp Web

JavaScript★ 3⑂ 3

getrightfeatured

📥 The classic GetRight download manager, straight from the good old Windows days and brought into the modern era! Just for fun!

C++★ 2⑂ 0

libclosedcaptionfeatured

🔌 C library for extracting closed captions from the 🇧🇷 Brazilian ISDB-Tb/SBTVD standard (ARIB STD-B24 / ABNT NBR 15606-1) from subtitle PES packets in an MPEG transport stream (MPEG-TS).

C★ 0⑂ 0

php-dhcpdleasesfeatured

🔌 PHP parser for ISC DHCP dhcpd.leases files. Reads the leases, then filters, sorts and de-duplicates them, returning an array or JSON.

PHP★ 6⑂ 2

freeradius-serverfeaturedfork

The FreeRADIUS Server. RADIUS, DHCP, and VMPS.

C★ 2⑂ 1

nginx-backtrace-ng

🔌 Nginx module to dump backtrace when a worker process exits abnormally.

C★ 3⑂ 6

dotfiles

🛠️ My such .dot settings base for my 🐧Linux and Mac stations!

Vim Script★ 2⑂ 0

isc-dhp-relay

this is upstream of "dhcp-4.3.1/relay" from "ftp://ftp.isc.org/isc/dhcp/4.3.1/dhcp-4.3.1.tar.gz" with support for dhcp option82 using circuit_id/remote_id

C★ 2⑂ 3

hostapd

hostapd: IEEE 802.11 AP, IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator (fork from http://w1.fi/hostap.git)

C★ 1⑂ 3

hostap-eap-fast

Dockerfile sample describing the issue in EAP-FAST Hostap/HEAD & Radius/v3.0.x

Dockerfile★ 0⑂ 0

pam_radiusfork

This is the PAM to RADIUS authentication module. It allows any Linux, OSX or Solaris machine to become a RADIUS client for authentication and password change requests.

C★ 1⑂ 0