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I currently work for HPE after it acquired SGI (perhaps better known by its previous name: Silicon Graphics), which I joined in the year 2000. My team provides technical support for Linux (mainly RHEL and SLES with some Ubuntu here and there), running on supercomputers (clusters, mainly, but also some Single System Image computers). For a few years, I also supported the IRIX OS, a discontinued flavor of UNIX. Prior to that, I worked for the network monitoring team at US West, where I got some exposure to FreeBSD and Solaris. This section contains resources related to my work in the technology field.

Resume Here is my (more or less) current resume, which is also available in ASCII, PDF, ODF Text, MS Word 2000/XP and MS Word 2007/2010 XML formats.
Computer books Books related to work (i.e., the field of computers, in general) that I go through. I only started this section in October 2024, so there are plenty of computer books I've read in the last twenty years or so that don't show up here.
Scattered Work Notes A hodgepodge collection of scattered notes on technical topics related to my work in the computer field. Started doing these in October 2024.
Debian Resources to guide you through the world of Debian GNU/Linux, perhaps the most important Linux distribution designed and developed solely by a global community of volunteers.
OpenBSD Links to resources on OpenBSD, the secure BSD operating system.
RPM Packaging While full of flaws and way too manual for my liking, the reality is that RPM has become the de facto standard for packaging applications in the Linux world.
Shell scripting A collection of resources on shell scripting.
LaTeX Links to resources on LaTeX, the software system for document preparation.
Python Resources with information for anybody interested in the Python programming language: books, sites, documentation, etc. Python is a very easy, clean and yet powerful programming language that I would definitely recommend to anyone interested in learning the basics of programming.
Online classes List of computer-related classes freely available online that I am following in order to learn more about certain topics.
Self-Guided Systems Analysis Course As the name itself indicates, a self-guided course around the topic of systems analysis, including introduction to basic concepts, algorithms, data structure, systems programming, C language, programming, etc.
Kernel & OS Studies Self-guided studies of the Linux kernel and other OS design concepts, using mainly documentation freely available online as well as reading the source code itself.
UNIX System Administration Handbook After quite a few years working in the field, I decided to put together this handbook, hoping that it would prove a useful reference for me and others. Perhaps not very comprehensive, and definitely not very eloquent. It was conceived as a gathering of summaries and schemas, more than a lengthy explanation of the main topics about system administration. In other words, it assumes some prior knowledge, and is therefore good only as a reference.