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Quis custodiet ipsos custodes?
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Published: 01-01-2006 | Author: Remy van Elst | Text only version of this article

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Hi there! I'm Remy, a developer with a focus on C, C++, linux and embedded systems.

I currently work for De Jong DUKE were I develop software for an embedded platform that powers coffee machines. This is a C++, C and Qt stack running on Yocto linux and Nucleus RTOS. It controls hardware, runs the UI and has a few utilities for IoT connectivity and configuration. Technology is mostly C++ but includes Microsoft Visual C++, Flash, Qt and ARM kernel drivers.

I've been a Linux/UNIX sysadmin for over 10 years; I've built high-available cloud environments in OpenStack, Azure or on premise with Ansible and Terraform (or any other configuration management tool). My sysadmin keywords are OpenStack, cloud, virtualization, high-availability, scaling and clustering, security, (Open)SSL, Python, Powershell, bash and general linux/UNIX system administration.

I've worked in a devops role for the Erasmus University Medical Center (a large hospital and medical university in Rotterdam), Digidentity (a Dutch certificate authority, the company that develops DigiD and other Ruby on Rails applications), CloudVPS (an OpenStack cloud provider), VolkerWessels (as an Azure cloud specialist) and a few other smaller companies.

I design, build, document and manage large, complex and high-available systems. I'm a team player that loves to work with configuration management tools and version control systems. If I do something more than three times, I automate it. Planning, documentation, monitoring and backups are things I do first, not when the time allows it later. Last but not least I have an interest in legacy systems like the PDP-11, PDP-8, OpenVMS, HP-UX and old UNIX systems.

This is my personal website, please do note that these articles do not reflect or are based on work, opinions or policies of any of my (previous) employers. Any resemblance to reality is pure coincidence.

This site started in 2006 as my form of (public) documentation. It has grown to include software, tutorials, snippets and articles on linux/UNIX, system administration and everything related with over 10.000 unique visitors a day as of 2018-06. The URL is the phonetic way you say my name (Ray-Mii), since non-Dutch speakers always have trouble with the correct pronunciation.

If you want to send me feedback, emails or comments, see below for the contact details.


If you want my full resume including all (previous) jobs, experience and education, please send me an email.


You can reach me by email, try mailing "contact" "at" "relst" "dot" "nl". I'm not on any social networks, not on facebook, not on linkedin, not on twitter, not on identica, not on diaspora, mastodont, nowhere. Every profile on a social network claiming to be me is false.


All the text on this website is free as in freedom unless stated otherwise. This means you can use it in any way you want, you can copy it, change it the way you like and republish it, as long as you release the (modified) content under the same license to give others the same freedoms you've got and place my name and a link to this site with the article as source.

This site uses Google Analytics for statistics and Google Adwords for advertisements. You are tracked and Google knows everything about you. Use an adblocker like ublock-origin if you don't want it.

All the code on this website is licensed under the GNU GPL v3 license unless already licensed under a license which does not allows this form of licensing or if another license is stated on that page / in that software:

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <>.

Just to be clear, the information on this website is for ment for educational purposes and you use it at your own risk. I do not take responsibility if you screw something up. Use common sense, do not rm -rf / as root for example. If you have any questions then do not hesitate to contact me.

Tags: static