Documents

This section includes mostly technical documents written by me (unless specified).

Security

HOWTO Save Yourself From Ransomware Using btrfs
Storing multiple sensible documents in public services
GPG Cheat Sheet
Self-signed Certificates Nano-HOWTO

Software development

From C to C++: A quick reference for aging programmers
Unicode, UTF-8 and all that: An intentionally incomplete character set introduction for hasty C programmers
CVS Notes

Networking and sysadmin

HOWTO set up Wireguard and SSH to connect two hosts behind NAT
HOWTO set up a Wireguard client on OpenBSD
Tor hidden services (en español)
HOWTO compact a Virtualbox disk
Sobre la creación de canales de Telegram (en español)
HOWTO install Linux from grub with an USB pendrive
Calculated columns in PostgreSQL using triggers (2008)
Sharing code via email with git (2008)
Matching git-svn strange authors to useful email addresses (2008)
Building a Bluetooth network with Linux, probably outdated (2005)
Cómo conectar a Internet con Movistar usando Linux, Bluetooth y un Nokia 6630, probably outdated (en español, 2006)

Algorithms

El algoritmo Diffie-Hellman
A simple pseudorandom number generator

Linux on things

Linux on a Toshiba Satellite A30-303, outdated (2004)
LinuxPPC - Teclado español, outdated (en español, 2000)
Linux on a Toshiba Satellite 310 CDS, outdated (1999)

OpenBSD

My OpenBSD in a laptop series:

Part 1
Part 2
Part 3

Translations of documents by others

Una amistosa introdución a la codificación de vídeo, parte 1: contenedores, by Mark Pilgrim
Una amistosa introdución a la codificación de vídeo, parte 2: vídeo con pérdida, by Mark Pilgrim
Una amistosa introdución a la codificación de vídeo, parte 3: sonido con pérdida, by Mark Pilgrim
LWN: Btrfs, ¿incorporarlo al núcleo principal?, by Jake Edge
LWN: Btrfs apunta a su inclusión, by Jon Corbet

Paleontology (en español)

Las Eras Geológicas
Clase Reptilia