Andrea Tosatto

Automating all the things with YAML.
SRE at PowerDNS and Open-Xchange.

  • Scaling Ansible
Bart Janssens

instance_no: 1957695
Does try to write decent code but does not always succeed.

Working for Inuits.

  • What not to puppetize and how to do it anyway
Bert Van Vreckem

Bert is lecturer ICT at University College Ghent (HOGENT), where he teaches a.o. Linux, research techniques, and intro statistics.

  • Linux curriculum at HOGENT
  • Clean Bash - Leveling up your shell scripting skills
Bram Vogelaar

Bram spent the first part of his career as a Molecular Biologist , he then moved on to supporting his peers by building tools and platforms for them with a lot of Open Source technologies, after which he joined Inuits to focus on helping more people to deliver their software with Open Source tools.

  • Bootstrap your Cloud Infrastructure using puppet and HashiCorp stack
Christopher Peeters

Christopher is a freelance systems engineer and trainer in Linux and open source technology. He's mainly focussing on automation and container technology. He's also active as a member of the ITGilde cooperative where he helps to build a community of freelance open source professionals. Christopher is a stickerless ambassador.

  • Containers on RHEL 8
Dimitri Vanoverbeke

Dim0 has been working with Open Source technologies for 15 years. Since the age of six (thanks parents), he has been interested in everything with a digital pulse.

Dimitri is working for over 5 years for Percona, an Open Source focussed database organisation as a Solution engineer.

  • Open Source databases and HA
  • Pizza Party
Evis Barbullushi

A seasoned professional with solid experience in developing distributed solutions and solving significant integration challenges in organizations.
Specialities: Distributed Computing, Architecting for the Cloud, AppDev in the Cloud, Containerisation, Cloud and Microservices, Kubernetes, Openshift, Hybrid Cloud, AWS, GCP, Azure, Containers & Infrastructure
Site Reliability Engineering, Microservices.
Currently working in the EMEA Specialist AppDev/Openshift team as Senior Solution Architect at Red Hat.

  • Chaos security engineering in Kubernetes
Fabian Arrotin

Fabian discovered (seriously) Linux in 1998 (his first "attempt" was a Slackware) with a RHL 5.2 install and tested several distributions but he always went back to Red Hat. When they decided to split between RHEL and Fedora core, he couldn't support the cost of an Enterprise Linux distro for his personal needs ( on his workstations and servers ). He then found the CentOS Project and quickly tried to be part of that community. Actually sysadmin for the infra

  • (Re)discovering the ssh tips for Ansible (CentOS infra use case)
  • OSS diversity is good (aka why we run various DNS servers flavors in infra)
Fabrice @themr0c Flore-Thébault
  • User & contributor in Molecule / Ansible ecosystem.
  • Free Software Infrastructure Automation professional.
  • Tech writer.
  • molecule test ansible
Gratien D'haese

Gratien D’haese is a Belgian independent IT Consultant who is already 28 years active in the Unix world (and with Linux since its invention in 1991).
Gratien has a broad experience with Unix/Linux in general, Open Source software, Unix networking and security, big system administration tasks, clustering, consultancy, DevOps (chef, ansible) and project management.

  • What did you InSpec?
Jan-Piet Mens

Jan-Piet Mens is an independent Unix/Linux consultant and sysadmin who's worked with Unix-systems since 1985.

JP does odd bits of coding and works extensively with the Domain Name System and as such, he authored the book Alternative DNS Servers as well as a variety of other technical publications. He contributed several modules and the documentation system to the Ansible project and dreamed up the Open Source (MQTT-based) OwnTracks project. JP blogs at

  • Zabbix loadable C modules and Low-Level Discovery (LLD)
Jasper Nuyens

Jasper Nuyens is the founder and CEO of Linux Belgium. A small organisation which is providing Linux Courses, Consultancy and Support for the Linux operating system in Belgium.
Mr Nuyens has been pushing Linux forwards since he came into contact with it in 1993, and professionally since 1998.
Software becomes a more important part of vehicles and he hopes this will be driven by OpenSource - not in a enclosed box - but in a way which empowers users instead.

  • From Tesla Hacking to the FreedomEV Project
Jeroen Baten

I solve IT problems. I connect system A with system B. I teach people stuff. I do this mostly with Linux systems. To make stuff happen I write a lot of custom scripts in various programming lanuages like Perl, Python, Bash, C, Java, Ruby, etc. I have clients all over the world (Australia, Switserland, US, etc).

I am also the project leader of the open source LibrePlan project. So go to that site ( if you need more information about an open source web-based project management application.

I occasionally write an article for my blog, but I have also written a number of books:

LPI Essentials (Dutch)
Open ICT voor Managers (Dutch)
LibrePlan, the missing manual (English, French)
  • Running a mainframe on your laptop (for fun and profit)
Joep Piscaer

Once a virtualization and storage consultant, he built IaaS-platforms, created an army of Community Managers, built, led and developed a team of technical architects.
Most recently, Joep is building the Jumbo Tech Campus. Jumbo is the second biggest supermarket in the Netherlands and the fastest growing online supermarket of the Netherlands.

As the Technical Pathfinder, Joep is responsible for the DevOps way-of-work, tooling, cloud and open source strategy of the Tech Campus, the e-commerce software development house of Jumbo.

He runs his own blog,, speaks at industry events, occasional guest on theCube and he's a frequent delegate for TechFieldDay events.

  • Come listen to me, I’m a fraud; a story on impostor syndrome
Kris Buytaert

Kris Buytaert is a long time Linux and Open Source Consultant. He's one of instigators of the devops movement, currently working for Inuits

He is frequently speaking at, or organizing different international conferences and has written about the same subjects in different Books, Papers and Articles

He spends most of his time working on bridging the gap between developers and operations with a strong focus on High Availability, Scalability , Virtualisation and Large Infrastructure Management projects hence trying to build infrastructures that can survive the 10th floor test, better known today as the cloud while actively promoting the devops idea !

His blog titled "Everything is a Freaking DNS Problem" can be found at

  • Ignite Karaoke
Lander Van den Bulcke

Open Source Consultant at Inuits; ops guy focusing on monitoring, infrastructure as code and continuous delivery.

  • Leveraging Prometheus service discovery
  • Using Prometheus to monitor your deployment pipelines

"@lefred" has been consulting OpenSource and MySQL for over 15 years. After graduating in Management Information Technology, Frédéric Descamps started his career as a developer for an ERP under HPUX. He will then opt for a career in the world of open-source by joining one of the first Belgian start-up dedicated 100% to free projects around GNU/Linux. It is in 2011 that lefred joined Percona, one of the leading MySQL-based specialists. He decided to join the MySQL Community Team in 2016 as a MySQL Community Manager for EMEA & APAC. Frédéric is also a regular speaker of OpenSource Conferences. His blog mostly dedicated to MySQL is

  • How to write efficient and correct MySQL recipes for you configuration management system in 2019
Matteo Valentini

Developer at Nethesis. | Enthusiastic developer and system administrator, with a special interest in fields of networking, Linux embedded, security and cloud automations.

  • Look mom without containers!
Nicolas Trangez

Nicolas is a senior architect in the Scality R&D team, focusing on defining and designing delivery, installation and operability of cloud-native solutions. He has a background in cloud, distributed systems and automation for 10+ years, and is a long-term Open Source contributor to various projects in multiple stacks. Startup-minded, Haskell’ist and music lover.

Nicolas has spoken at OpenStack Summits, OUD, KubeCon/CloudNativeCon and various other occasions, and is the co-author of ACM RELENG and ICFP papers.

Twitter: @eikke
GitHub: NicolasT

  • MetalK8s: An opinionated Kubernetes distribution with a focus on long-term on-prem deployments
Patrik Uytterhoeven

IT consultant and official Zabbix Trainer @ open-future with high interest in Zabbix, SeLinux and Ansible

  • IT Consultant / Zabbix Trainer
Peter Czanik

Peter is an engineer working as evangelist at Balabit (a One Identity business), the company that developed syslog-ng. He assists distributions to maintain the syslog-ng package, follows bug trackers, helps users and talks regularly at conferences (SCALE, All Things Open, FOSDEM, LOADays, and others). In his limited free time he is interested in non-x86 architectures, and works on one of his PPC or ARM machines.

  • What you most likely did not know about sudo…
Philipp Krenn

Philipp lives to demo interesting technology. Having worked as a web, infrastructure, and database engineer for more than ten years, Philipp is now working as a developer advocate at Elastic — the company behind the open source Elastic Stack consisting of Elasticsearch, Kibana, Beats, and Logstash. Based in Vienna, Austria, he is constantly traveling Europe and beyond to speak and discuss about open source software, search, databases, infrastructure, and security.

  • Scale Your Metrics with Elasticsearch
Pieter Hollants

Pieter Hollants solaced himself over the downfall of Commodore and the beloved Amiga world by discovering the Un*x/Linux world at the end of the 90s. After fulfilling his duties at the IT support front, promoting himself to "Senior Intern" at Linux outlet SUSE and abusing his position as Linux Systems Engineer at German Air Traffic Control to become a resident conference who^Wvisitor, Pieter has returned to enjoying the freedom as an independent Linux developer, consultant and occasional involuntary sysadmin. He runs some small Open Source projects of his own but mostly contributes every now and then, here and there and blogs at

  • How I accidentally became an electronics engineer (actually I didn't)
Pieter Lexis

Educated as a Systems and Network Engineer and having dabbled with DevOps-y things for years, Pieter's official title now is "Senior PowerDNS Engineer". As such, he works on the PowerDNS source code, the build/CI/packaging pipeline and running the infrastructure around the PowerDNS open source project. He is also involved in the broader DNS operations and standards communities to make the Internet a better place.

  • Running containers and Operating System images with systemd-nspawn
Tim Speetjens

Yes, I have one

  • Tying shoe laces
  • CI/CD with OpenShift
Ton Kersten

Ton Kersten is a Linux consultant and trainer at AT Computing in the Netherlands where he helps customers with all kinds of Linux challenges. He also tries to teach them the Linux and Ansible way of life.

He enjoys music, photography, playing darts (badly), good food, beer and whisky.

  • Twitter: @TonKersten
  • Github:
  • Ansible in a real world situation. The One Role to Rule Them All!!