FeedCity

Alfrodull is a utility to easily control LED devices connected to a computer based on predefined events. Everything is configured with a single file, allowing for simple configuration of event type, light color and transition animation in seconds.

I have for some time wanted to learn about the different VPN services offered by AWS. Having invested some money into a full Unifi setup I thought that it would be a good idea to setup an AWS Site-to-Site VPN and AWS Client VPN connection between my lab network and my AWS account. I struggled for some time, messing around with the settings trying to get my USG to connect to the VPN server but it would not work. I probably wasted a couple of days of my free time pulling my hair out not really understanding why it wouldn’t connect.

Dead code elimination by convention.

How I got Multiplayer Civilization 5 to work on Linux

I’ve recently been spending quite some time on the EU’s Galileo Navigation Satellite System. In this post you’ll find some rough notes on things I’ve found out, both about how to receive data & how to understand the Galileo ephemeris parameters. Feedback is very welcome on bert@hubertnet.nl or @bert_hu_bert! I’m no Galileo specialist, so I am sure this page could be better. Please also let me know if this page has been useful to you.

2025 Note - I based this off the Mom Test , written by a fellow YC founder. Interestingly enough - if you look at the products I build…

They’re not burritos.

In this post I want to shine a light on an important development within the world of DNA which shows how much DNA and the world of computing are now intertwined. It turns out we share important problems, like in this case: file formats. Note: I expect to be posting more DNA material as part of my efforts to write a book on this fascinating subject. If you enjoy reading about DNA, you might like the links/presentations/videos found on this page.

Turning an idea into a talk.

[Note: this post no longer describes the client side implementation in the final implementation of Redis 6, that changed significantly, see https://redis.io/topics/client-side-caching] The New York Redis day was over, I get up at the hotel at 5:30, still pretty in sync with ...

I used to stress a lot about the “efficiency” of how I was using up all the minutes in my day. I’d to cram in as much as possible into time. eg. read on a 10 minute train, write code in the half hour before bed, etc. While I stressed about it a lot, I never found that I did ...

In a team having knowledge that lives only in your head is a terrible thing. Humans are forgetful Humans are creative, especially when problem-solving Computers are not creative Computers are not forgetful So we should get the computers to remember things, and allow the hu...

The Game Engine Black Books have been updated. Free pdfs, high-quality prints, and source code are available.

Months ago the maintainer of an OSS project in the sphere of system software, with quite a big and active community, wrote me an email saying that he struggles to continue maintaining his project after so many years, because of how much psychologically taxing such effort is. ...

Google has a 'Intro' Capture The Flag competition at https://capturetheflag.withgoogle.com/#beginners/. I've been trying it out because, why not? The challenges aren't easy by any means - they range from javascript crypto (let me know if you find out how to break JS Safe!) t...

The story of how the 3dfx Voodoo 1 which ruled 3D gaming from 1996 to 1998.

I’ve been using gnuplot since.. like forever. It is one of my best friends in plotting data and discovering what is going on. But for all its greatness, you do tend to run into a wall - once you step outside the things gnuplot is good at, suddenly large heaps of awk, sort, unique and odd shell scripts are required to get to the next level. This is no criticism of gnuplot - it is great for what it is for.

The story of how the Rendition v1000 briefly rule the Quake world.

I like being able to code wherever I am. “Unfortunately”, my 15" laptop bought to run simulations for my degree still runs like a dream, so I can’t really justify buying myself a replacement for it. So instead, just over a year ago, I decided to get something that is: Light...

A description of the automated solver in my puzzle game Net. Written in response to an email query.