English tag hub: same canonical tag strings as the Spanish site (Tags in front matter); this page’s chrome and blurbs are in English.

Posts tagged:  Systems

2023-09-14 03:47PM

Remaining tables for the time-tracking database

SQL for roles, projects, tasks, worked hours, and permission grants across DBA, admin, web, and anonymous roles.

Read more →
2023-09-13 12:31PM

Database setup for the time-tracking app

Create DBA/admin/web/anon roles, a control_tiempo schema, the users table, and grants aligned with PostgREST access patterns.

Read more →
2023-09-12 02:07PM

Designing the database for a time-tracking app

Conceptual tables for users, roles, projects, tasks, and worked hours—the backbone of the decoupled series.

Read more →
2023-08-09

Debian 11 (Bullseye) installation walkthrough

Prepare boot media, walk the text/graphical installer for language, disk partitioning, user creation, desktop metapackages, and GRUB—aimed at a clean stable workstation or server.

Read more →
2023-09-06 11:21AM

Decoupled Architectures: Building a Time-Tracking App

Overview of a decoupled stack (Debian, PostgREST, Nginx, React, PostgreSQL) for a small-company time-tracking product.

Read more →
2024-03-18 03:29PM

Electrum: what it is and why running your own server helps

How Electrum’s client–server model works, what data leaves your device, why public servers can hurt privacy, and which open-source server projects people self-host.

Read more →
2023-08-31 12:28PM

Etherpad guide: real-time collaboration and group editing

What Etherpad offers, how to install it on Debian, and tips to get more from this open-source editor.

Read more →
2023-09-05 10:47AM

Focalboard: an all-in-one open source board for tasks and projects

What Focalboard is, how it compares to Trello-style tools, and how to run it with Docker Compose on your own server.

Read more →
2023-08-22 10:59AM

Future tech trends on the innovation horizon

AI/ML, IoT, 5G, AR/VR, quantum computing, synthetic biology, and blockchain—what each wave optimizes for and why ethical, sustainable deployment needs cross-society dialogue.

Read more →
2023-08-26 11:57AM

How to choose a laptop: a practical decision guide

Match CPU, RAM, storage, screen size, battery, OS, ports, extras, and budget to your real workload—creative suites, development, gaming, or everyday browsing.

Read more →
2023-08-30 11:49AM

Free-software productivity tools for Linux and VMs

Office suites, Etherpad, Taskwarrior, Org-mode, Redmine, Nextcloud Deck, Focalboard, chat platforms, CI, and more—mapped to self-hosted workflows on Linux guests.

Read more →
2023-09-04 11:34AM

Nextcloud with Deck: private cloud and groupware

Nextcloud ecosystem basics, community vs paid tiers, secure install sketch with Nginx, and how Deck fits your task workflow.

Read more →
2023-09-08 10:29AM

Hardening PostgREST with Nginx and HTTPS

Put Nginx in front of PostgREST, add TLS with Certbot, and outline anonymous login flows that return JWTs.

Read more →
2023-09-10 08:05PM

JWT Authentication with PostgREST

Why JSON Web Tokens help secure a PostgREST API, and how roles, headers, and PostgreSQL functions fit together.

Read more →
2023-09-07 10:41AM

PostgREST in Practice: Building a Strong REST API

What a REST API is, why it helps, and how PostgREST exposes PostgreSQL as HTTP resources—with install and first SQL steps.

Read more →
2023-09-03 08:05PM

Redmine guide: simplified project and task management

Install Redmine on Debian at a high level, understand core modules, and pick plugins that boost delivery hygiene.

Read more →
2023-09-18 02:07PM

Calling the REST API of the time-tracking app

REST shapes for users, roles, projects, tasks, and hours; OpenAPI documentation; curl examples.

Read more →
2023-09-01 01:05PM

Taskwarrior guide: efficient task management (and Taskserver sync)

Use Taskwarrior on one machine, then sync tasks across devices with Taskserver—installation and basics.

Read more →
2026-05-06 10:00PM

Tuqan Phase 0 — Strategic foundation, audit, and initial roadmap

Kicking off the agentic modernization of Tuqan with living documentation, an audit plan, and a prioritized roadmap. First post in the Tuqan series.

Read more →
2023-08-09 02:00

Ubuntu vs Debian: similarities and differences

Shared APT roots and open-source values, then how Ubuntu optimizes for desktop onboarding while Debian prioritizes stability branches and stricter free-software defaults.

Read more →