Aitor Alonso

What adversarial code reviews with AI agents are, why they catch the bugs that a friendly self-review misses, and when they are worth the extra tokens.

Learn how to expose custom Prometheus metrics from an Elixir app with PromEx, and the two traps that made mine report the wrong numbers in production.

Learn how to render Mermaid diagrams natively in your Hugo site with a codeblock render hook, loading the library only where needed and matching your theme.

How I achieved to ship code to production in the last two months without writing a single line of code by hand, with zero production incidents, zero rollbacks, and zero downtime.

A practical way to name, inventory, and pay back technical debt on purpose, so it stops being a vague complaint and starts being something your team controls.

Learn how to replace nut-monitor with a custom watchdog script to have more control on shutdown conditions.

Learn how to configure your PC with Bazzite Linux as a headless streaming gaming PC to play remotely on any device in your LAN.

Learn how to configure Pi-hole as a local DNS server so every device in your LAN can resolve custom domains like myservice.home.arpa without touching each device's hosts file.

In this article I explain how to configure caddy as a reverse proxy for your services (eg.

I'll show you how to create a Debian VM in ProxmoxVE, with the root partition encrypted with LUKS that automatically unlocks and mounts at boot.

If you want to configure email notifications from Proxmox quick and easy, here I tell you everything you need to know.

I'll show you how to take advantage of Systemd capabilities to schedule backups tasks with logs and integrate Healthchecks.io to ping us on failure.

After explaining how to set your own CA in last article, here I'll explain how to renew and upload those certificates in Synology DSM, Proxmox VE and Caddy.

I'll show you how to create your own Certificate Authority (CA) to sign your own certificates, trust them, renew them, and use them in proxmox and Synology.

In this article, I'll explain what is the "Ship, Show, Ask" git strategy, that I personally find very useful on mature teams.

In this article, I share some code snippets to create a reading progress top bar like the one I have in my blog for both React and Vue.

Today I'm here to explain what the 3-2-1 backup strategy is and why is important if you have your data hosted at home.

Step-by-step instructions on how to create or clone a disk image from a PC to a Synology NAS server using Clonezilla, transmitting the image over LAN.

Today I'll show you how to configure an Xbox One controller with a dongle to work with Linux and play with it on Steam.

How to configure an Arch Linux based distribution (Manjaro) to automatically mount a LUKS encrypted Linux root partition on boot thanks to TPM 2.0.

In this article, I'll show you how to enable TPM on your old computer, so you can install Windows 11 without having to upgrade your hardware.

In this article, I'll show you how to use UUID v7 with Ecto and PostgreSQL without external dependencies.

A guide to manage AWS credentials seamlessly with 1Password, including MFA, by integrating the 1Password CLI with the AWS CLI.

In this article, I'll show you how to use erlang applications in your elixir codebase, and also how to translate them to elixir code.

Learn how Phoenix LiveView works under the hood to provide interactive web applications rendered in the server.

If you want to add existing photo files to Synology Photos from another folder or a backup without actually coping or duplicating them, check this.

A by example guide to understand binary search trees, their structure, how they work, and how to implement them (in Python).

A beginner's guide to pointers in Go.

"Public Money, Public Code" is an FSFE initiative advocating that all tax-funded software should be FOSS for transparency, efficiency, and public benefit.

Have you ever wondered why it's so difficult to work with time and dates in code?

Learn how to mount a Synology SHR1 disk on Linux (from a two disks volume - underlying RAID1 with LVM) and access its content.