# Roald Nefs > Personal research blog on software engineering, security, AI, platform engineering, and hardware hacking. ## Pages - [Home](https://roaldnefs.com/) - [Blog](https://roaldnefs.com/posts/) - [About Roald Nefs](https://roaldnefs.com/about/): I’m CTO at Warpnet and Enlite, a software engineer based in the Netherlands working across security, platform engineering, and AI. Over the past decade I’ve … - [Cookie Statement](https://roaldnefs.com/cookies/): Last updated: October 3, 2026 Cookies This website doesn’t use cookies. There are no analytics, tracking, advertising, or social media cookies, which is why you … - [Privacy Statement](https://roaldnefs.com/privacy/): Last updated: October 3, 2026 This privacy statement explains what personal data is processed when you visit roaldnefs.com, why, and what your rights are. The … - [Tools](https://roaldnefs.com/tools/): I often get questions about the specific software or hardware I use. Since my setup changes frequently, this page serves as a living document where I keep … - [Training & Workshops](https://roaldnefs.com/training/): I run hands-on workshops on automotive security and hardware hacking. They’re the kind of sessions I’d want to attend myself: short on slideware, long on … ## Posts - [Building a Car Hacking Test Bench](https://roaldnefs.com/posts/2026/01/building-a-car-hacking-test-bench/): Modern cars are computers on wheel, dozens of ECUs, multiple busses, wireless interfaces, and a threat model that keeps expanding. For the past few years I … - [How to extract an AppImage and add it to the Ubuntu Sidebar](https://roaldnefs.com/posts/2024/12/how-to-extract-an-appimage-and-add-it-to-the-ubuntu-sidebar/): In this post, we’ll guide you through extracting an AppImage and integrating it into the Ubuntu sidebar for easy access. As an example, we’ll use SavvyCAN, a … - [Committing Changes to a Pull Request Branch Created from a Fork](https://roaldnefs.com/posts/2024/01/committing-changes-to-a-pull-request-branch-created-from-a-fork/): Sometimes a pull request on GitHub.com needs some work before it can be merged into the project but you don’t want to force the required work on the pull … - [Spoofing Microchips used for Animal Identification](https://roaldnefs.com/posts/2022/11/spoofing-microchips-used-for-animal-identification/): A microchip implanted under the skin of an animal can be used for identification purposes. The microchips are using Radio Frequency Identification (RFID) … - [How to Automatically Generate Clients for your REST API](https://roaldnefs.com/posts/2020/12/how-to-automatically-generate-clients-for-your-rest-api/): While helping a colleague with adding some code to the bunq Python SDK to allow him to retrieve some additional information from the API (bunq/sdk_python#148), … - [Git Branching](https://roaldnefs.com/posts/2020/05/git-branching/): Introduction Like other version control systems Git also support a way to diverge from the main line of development and continue to do work without messing with … - [Getting Started with Git](https://roaldnefs.com/posts/2020/04/getting-started-with-git/): Introduction Git is a free and opensource distributed version control system designed to handle everything from small to very large projects with speed and … - [How To Create a Visual Studio Code Extension Pack](https://roaldnefs.com/posts/2020/04/how-to-create-a-visual-studio-code-extension-pack/): Within Visual Studio Code you will often find yourself installing multiple extensions for a certain language or framework. You might want to share those … - [Ding Dong Ditch using SDR and Arduino](https://roaldnefs.com/posts/2020/01/ding-dong-ditch-using-sdr-and-arduino/): In this post we will be building a device to play Ding Dong Ditch digitally. The device will ring the doorbell every several seconds without pressing the … - [Hardware Reversing the Sitecom Wireless Router 150N X1](https://roaldnefs.com/posts/2019/12/hardware-reverse-a-wireless-router/): Last week I’ve bought a Rigol DS1102E digital oscilloscope and was very eager to test it out. When going to my bin of old hardware I’ve found a Sitecom Wireless … - [Update YARD Stick One Firmware](https://roaldnefs.com/posts/2019/01/update-yard-stick-one-firmware/): Today I received my YARD Stick One (Yet Another Radio Dongle) created by Great Scott Gadgets. The dongle can transmit and receive digital wireless signals at … - [Software Defined Radio on Linux](https://roaldnefs.com/posts/2019/01/software-defined-radio-on-linux/): In the quick start guide for Software Defined Radio (SDR) on Linux we will listen to some very common frequencies using a RTL-SDR. SDR is a radio communication … ## Feeds - [RSS](https://roaldnefs.com/rss.xml) - [XML sitemap](https://roaldnefs.com/sitemap.xml)