Writings of Ale

Welcome to my blog, I talk about various stuff, but mostly programming and science

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12 posts in total

Personal Server: Debian + Docker, Not FreeBSD

How the personal server project actually turned out: a repurposed computer running Debian and Docker Compose, with Tailscale, Cloudflare Tunnel, and a download stack behind a VPN.

• By B.E. Alejandro

Sound Reconstruction with a Laser and a Photosensor: From Theory to Code

A second-semester physics project combining waves, Fourier transforms, and linear algebra to capture and reconstruct audio signals using a laser beam and a photosensor, fully validated in MATLAB.

• By B.E. Alejandro

Monero (XMR): The Private Path for Migrant Remittances

An educational guide on how Monero offers a layer of anonymity and security for sending money in an environment of growing surveillance.

• By B.E. Alejandro

Using OpenBSD to Host a Website

A full migration to OpenBSD for website hosting: technical decisions, real problems, solutions, and remaining work.

• By B.E. Alejandro

Flood Detection

Developing an autonomous, resilient system with ultrasonic sensors and mesh networks to save lives during river flooding.

• By B.E. Alejandro

The Broken Moon

A story about the collapse of humanity after the Moon breaks apart

• By B.E. Alejandro