CTO Leadership & Technology Articles

Illustration for Happy Teams Build Better Software
Engineering Leadership

Happy Teams Build Better Software

How to build a happy, high-performing distributed engineering team through clarity, trust, transparency and intentional communication.

August 3rd 2026 7 min read

Illustration for Scala Notes from 2015, still valid today.
Software Engineering

Scala Notes from 2015, still valid today.

Organized collection of notes from 2015 about Scala.

November 10th 2024 34 min read

Illustration for Setting Up a Python Local Environment with Poetry, Pyenv and Pipx
Software Engineering

Setting Up a Python Local Environment with Poetry, Pyenv and Pipx

Learn how to set up a local Python development environment using Poetry, Pipx, and Pyenv to manage multiple Python versions and dependencies, ensuring isolation and flexibility across projects.

October 21st 2024 12 min read

Illustration for How to sbt + crossScalaVersions + Bintray
Software Engineering

How to sbt + crossScalaVersions + Bintray

In this post I will talk about how to configure sbt to release and publish packages for multiple Scala versions using Bintray.

April 27th 2020 5 min read

Illustration for Pine64 A64(+) + Armbian Buster + Docker
Infrastructure

Pine64 A64(+) + Armbian Buster + Docker

Step by Step installation: Pine64 A64(+) + Armbian Buster + Docker

April 13th 2020 2 min read

Illustration for OpenStreetMap Data Facts with osm4scala
Data Engineering

OpenStreetMap Data Facts with osm4scala

Every time using OSM data, I get more new questions about the pbf files content distributed. This post is a list of facts after analise data using the osm4scala library.

March 16th 2020 6 min read

Security

Adding PositiveSSL to a docker NGINX

Step by step post explaining how to create a Comodo SSL certificate via Namecheap and how to use it in NGINX.


Software Engineering

Migrating/Comparision from Akka Classic to Typed

Examples to compare and migration apps from Akka Typed to Akka Classic

November 1st 2019 1 min read

Illustration for 13€ Recycled 20 cores Homemade Cluster
Infrastructure

13€ Recycled 20 cores Homemade Cluster

Building a 20 cores, 19GB memory and 2.6TB storage cluster from old obsolete hardware.


Illustration for Homemade Cluster Hardware.
Infrastructure

Homemade Cluster Hardware.

Detailed analysis about how to build a home / on promise cluster. I will check different option, from single board computers to Mini-ATX computers.

January 2nd 2017 9 min read

Illustration for Docker + UFW = Hidden trap.
Security

Docker + UFW = Hidden trap.

The "German Federal Office for Information Security" (BSI) contacted me because a security bug in a MondoDB Docker installation. Why?

March 5th 2016 2 min read

Data Engineering

Hadoop (Single Node) 2.7.1 with Docker from scratch

Tutorial about how to create a Hadoop Single Node Docker image from scratch to using BigData developments.

October 4th 2015 14 min read

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