Lisandro Fernández Rocha

WAL rotation without a coordinator A design note on KMQ, a homelab message broker built from FIFOs, gawk and Kubernetes primitives.

Fifth in the KMQ series.

From push-and-pray to complete feedback loop: dual sidecar ACK and TLS Post 03 introduced an out-of-band ack-egress sidecar.

Closing the delivery gap: an out-of-band acknowledgment sidecar and retry loop Earlier posts documented KMQ’s four scenarios going from two failures to five passes and the local OCI registry behind them.

KMQ: four scenarios, four passes and the block policy that closes the gap Post 01 documented four scenarios against KMQ, a homelab message broker built from FIFOs, AWK and Kubernetes.

Second in a series on the KMQ message broker and its substrate.

A message broker from FIFOs and awk First post in a series on KMQ, a homelab message broker built from Unix primitives on Kubernetes.

What goes in the body payload when zero-knowledge protocol design rules out long-lived plaintext passwords.

Frequency Masking on Model Checkpoints The previous post applied frequency masks to compiled binaries.

Frequency masking on embedded binary strings Can a binary be evaluated against the statistical structure of its own version history?

Me gustan las listas Lisa Simpson es una persona lista a la que le gustan las listas.

Tales and tensions of sharing the privilege of creation In a music history seminar years ago, discussing post-war contemporary composition, the professor laid out a problem that still sits with me: after conceptual art broke everything open, after Duchamp…

Thoughts on what infrastructure accidentally reveals about teams.

References: Meyer (1988) Object-Oriented Software Construction, Gamma et al. (1994) Design Patterns Work in Progress: Concept is stable, adding practical examples and refinements.

DevSecOps Supply Chain Security Four open-source projects demonstrating practical supply chain security across AWS Lambda, Terraform modules, local development, and Kubernetes.

This post is meant to be removed.

UNIX Philosophy and Knowledge Management Institution: Universidad Tecnológica Nacional, Facultad Regional Buenos Aires Program: M.Sc. in Information Systems Engineering Course: Models of Organizations and Information Systems Thesis UNIX philosophy isn’t j…

yml2mid: YAML to MIDI Sequencer Repository: gitlab.com/lf3/yml2mid Thesis: UNQ Music Technology Bachelor’s Thesis (2019) A text-based MIDI sequencer that generates music from YAML files.