Adaltas is a team of consultants with a focus on Open Source, Big Data and distributed systems based in France, Canada and Morocco.
- Architecture, audit and digital transformation
- Cloud and on-premise operation
- Complex application and ingestion pipelines
- Efficient and reliable solutions delivery
Latest articles
Keyser, single bash script for SSL certificates management
Categories: Cyber Security, DevOps & SRE | Tags: Bash, Cyber Security, DevOps, Encryption, SSL/TLS
Keyser is a command-line utility designed to streamline the creation, management, and protection of SSL certificates with security and efficiency. Distributed as a single Bash script, it provides…
Jun 25, 2025
Buttercup to KeePass exporter
Categories: Cyber Security | Tags: Authentication, CSV, Node.js
Buttercup is a password manager which works on all major platforms including Linux, macOS, Windows, iOS and Android. On March 3rd, Buttercup’s main contributor Perry Mitchell announced the retirement…
By David WORMS
May 14, 2025
Using Git attributes
Categories: DevOps & SRE | Tags: Git, GitOps
Git attributes is not a concept that we learn in the early days when familiarizing with Git. Not every experienced software engineer is familiar with it due to its uncommon usage. However, when…
Jan 25, 2025
SSH forwarding methods
Categories: DevOps & SRE | Tags: Bash, DevOps
For teaching purposes at Adaltas, we provide isolated container for our students. Students are provided with a common SSH connection and are redirected to a dédicated container running inside one of…
By David WORMS
Nov 11, 2024
Introduction to OpenLineage
Categories: Big Data, Data Governance, Infrastructure | Tags: Data Engineering, Infrastructure, Atlas, Data Lake, Data lakehouse, Data Warehouse, Data lineage
OpenLineage is an open-source specification for data lineage. The specification is complemented by Marquez, its reference implementation. Since its launch in late 2020, OpenLineage has been a presence…
Feb 19, 2024
Installation Guide to TDP, the 100% open source big data platform
Categories: Big Data, Infrastructure | Tags: Infrastructure, VirtualBox, Hadoop, Vagrant, TDP
The Trunk Data Platform (TDP) is a 100% open source big data distribution, based on Apache Hadoop and compatible with HDP 3.1. Initiated in 2021 by EDF, the DGFiP and Adaltas, the project is governed…
By Paul FARAULT
Oct 18, 2023
New TDP website launched
Categories: Big Data | Tags: Programming, Ansible, Hadoop, Python, TDP
The new TDP (Trunk Data Platform) website is online. We invite you to browse its pages to discover the platform, stay informed, and cultivate contact with the TDP community. TDP is a completely open…
By David WORMS
Oct 3, 2023
CDP part 6: end-to-end data lakehouse ingestion pipeline with CDP
Categories: Big Data, Data Engineering, Learning | Tags: Business intelligence, Data Engineering, Iceberg, NiFi, Spark, Big Data, Cloudera, CDP, Data Analytics, Data Lake, Data Warehouse
In this hands-on lab session we demonstrate how to build an end-to-end big data solution with Cloudera Data Platform (CDP) Public Cloud, using the infrastructure we have deployed and configured over…
Jul 24, 2023
CDP part 5: user permissions management on CDP Public Cloud
Categories: Big Data, Cloud Computing, Data Governance | Tags: Ranger, Cloudera, CDP, Data Warehouse
When you create a user or a group in CDP, it requires permissions to access resources and use the Data Services. This article is the fifth in a series of six: CDP part 1: introduction to end-to-end…
Jul 18, 2023
CDP part 4: user management on CDP Public Cloud with Keycloak
Categories: Big Data, Cloud Computing, Data Governance | Tags: EC2, Big Data, CDP, Docker Compose, Keycloak, SSO
Previous articles of the serie cover the deployment of a CDP Public Cloud environment. All the components are ready for use and it is time to make the environment available to other users to explore…
Jul 4, 2023
CDP part 3: Data Services activation on CDP Public Cloud environment
Categories: Big Data, Cloud Computing, Infrastructure | Tags: Infrastructure, AWS, Big Data, Cloudera, CDP
One of the big selling points of Cloudera Data Platform (CDP) is their mature managed service offering. These are easy to deploy on-premises, in the public cloud or as part of a hybrid solution. The…
Jun 27, 2023
CDP part 2: CDP Public Cloud deployment on AWS
Categories: Big Data, Cloud Computing, Infrastructure | Tags: Infrastructure, AWS, Big Data, Cloud, Cloudera, CDP, Cloudera Manager
The Cloudera Data Platform (CDP) Public Cloud provides the foundation upon which full featured data lakes are created. In a previous article, we introduced the CDP platform. This article is the second…
Jun 19, 2023
CDP part 1: introduction to end-to-end data lakehouse architecture with CDP
Categories: Cloud Computing, Data Engineering, Infrastructure | Tags: Data Engineering, Hortonworks, Iceberg, AWS, Azure, Big Data, Cloud, Cloudera, CDP, Cloudera Manager, Data Warehouse
Cloudera Data Platform (CDP) is a hybrid data platform for big data transformation, machine learning and data analytics. In this series we describe how to build and use an end-to-end big data…
By Stephan BAUM
Jun 8, 2023
Local development environments with Terraform + LXD
Categories: Containers Orchestration, DevOps & SRE | Tags: Automation, DevOps, KVM, LXD, Virtualization, VM, Terraform, Vagrant
As a Big Data Solutions Architect and InfraOps, I need development environments to install and test software. They have to be configurable, flexible, and performant. Working with distributed systems…
Jun 1, 2023
Data platform requirements and expectations
Categories: Big Data, Infrastructure | Tags: Data Engineering, Data Governance, Data Analytics, Data Hub, Data Lake, Data lakehouse, Data Science
A big data platform is a complex and sophisticated system that enables organizations to store, process, and analyze large volumes of data from a variety of sources. It is composed of several…
By David WORMS
Mar 23, 2023
Keycloak deployment in EC2
Categories: Cloud Computing, Data Engineering, Infrastructure | Tags: Security, EC2, Authentication, AWS, Docker, Keycloak, SSL/TLS, SSO
Why use Keycloak Keycloak is an open-source identity provider (IdP) using single sign-on (SSO). An IdP is a tool to create, maintain, and manage identity information for principals and to provide…
By Stephan BAUM
Mar 14, 2023
Operating Kafka in Kubernetes with Strimzi
Categories: Big Data, Containers Orchestration, Infrastructure | Tags: Kafka, Big Data, Kubernetes, Open source, Streaming
Kubernetes is not the first platform that comes to mind to run Apache Kafka clusters. Indeed, Kafka’s strong dependency on storage might be a pain point regarding Kubernetes’ way of doing things when…
Mar 7, 2023
Kubernetes: debugging with ephemeral containers
Categories: Containers Orchestration, Tech Radar | Tags: Debug, Kubernetes
Anyone who has ever had to manipulate Kubernetes has found himself confronted with the resolution of pod errors. The methods provided for this purpose are efficient, and allow to overcome the most…
Feb 7, 2023
