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

Security

• 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

• Building a Bluetooth network with Linux, probably outdated (2005)
• Cómo conectar a Internet con Movistar usando Linux, Bluetooth y un Nokia 6630, probably outdated (2006)

Linux on things

• Linux on a Toshiba Satellite A30-303, outdated (2004)
• LinuxPPC - Teclado español, outdated (2000)
• Linux on a Toshiba Satellite 310 CDS, outdated (1999)

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 Jon Corbet
• LWN: Btrfs apunta a su inclusión, by Jon Corbet

Algorithms

• El algoritmo Diffie-Hellman
• A simple pseudorandom number generator

Documents on software by Ángel Ortega

Minimum Profit Text Editor

• Minimum Profit Action Reference
• Minimum Profit Configuration Directives
• Minimum Profit cookbook
• Minimum Profit Data Model
• Minimum Profit character encoding support
• Minimum Profit: Creating interactive dialog boxes
• Minimum Profit Keycodes
• MPDM C API
• MPDM overview
• MPSL C API
• MPSL internals
• MPSL Overview
• MPSL Function Library Reference

Ann Hell Ex Machina

• Ann Hell Scripting - Appendix 1 (Tables)
• Ann Hell Scripting - I: Basic Commands
• Ann Hell Scripting - II: Extended Commands
• Ann Hell Ex Machina API

Quick and Dirty Game Development Framework

• QDGDF API
• QDGDF Quick Reference
• The QDGDF Cookbook

Gruta and Grutatxt

• Apache + Grutatxt: The Simplest Possible Website, by Geoffrey Plitt
• The Grutatxt markup
• The Grutatxt markup (source)
• Gruta - command line tool
• Gruta FAQ
• Gruta Installation Guide

Other software

• Artemus 5 Templating Language Overview
• Artemus4 - Template Toolkit
• artemus - Text substitution tool and much more
• The Bky Manual
• The Filp C API
• The Filp Command Reference

Paleontology (en español)

• Las Eras Geológicas
• Reptilia