Software

Cups AirPrint server with legacy printer driver support using Qemu

In this guide I’m going to explain how to setup a CUPS network printing server on an ARM-Linux which will still be able to use older or discontinued printer drivers, meant for other architectures, using Docker with Qemu platform emulation. Therefore we could use for example 32bit Linux printer drivers emulated inside the container on […]

Software

Host your own QuakeJS server on ArchLinux

Recently I discovered a very old project on Github which is somehow still actively maintained. It is a Javascript/WebGL port of the good old game Quake 3 Arena, called QuakeJS. This port in turn is based on the open-source, community game engine ioQuake. Even though there is a nice and working demo instance hosted on […]

Software

Phone addiction: Toggle grayscale mode on your iPhone – but fast!

Many struggle with phone addiction these days. I’m not falling short on that either. One hack to solve this, is to put your screen in grayscale mode. The black and white graphics are less tasty for your brain, and prolonged usage of, say, instagram is not as compelling any more. The phone configuration you find […]

Software

Linux with Wayland is now running on iPhone 7

Since the last post about running postmarketOS Linux on iPhone 7, I was finally able to mount and run larger and persistent system images from the iPhone system memory. Therefore I used the same technique Corellium was using in their Android build for the iPhone 7. Further, ephemeral write support for postmarketOS is achieved by […]

Software

Running postmarketOS on iPhone 7

Thanks to the developers of checkra1n and Corellium I was able to port PostmarketOS to the iPhone 7. Since I was only able to transfer small kernel images to the Phone, I only tested a very minimal PostmarketOS installation, but it is booting :) Image creation and flashing involves several steps. Lets start with preparing […]

Artwork

Online applause simulator – Clap.wtf

In the last few days, Mathilde and I created an online applause simulator called clap.wtf. The idea was to have feedback from a remote audience in live streamed concerts during the COVID-19 pandemic. On the site, clicking or tapping on the clap emoji will increase the counter. The server counts the “clap” of every visitor […]

Software

Configure Wayland notification daemon mako with NixOS home-manager

Since this year I started using NixOS as my main operating system used in production. So far I’m really excited configuring and using it. Although there are still quite a few packages and configuration options missing. Compared to ArchLinux, I have to solve some problems again which were already fixed on my old installation. For […]

Software

Tuxtimer – Integratable terminal stopwatch

In the last few days, schitzu and I wrote a new stopwatch script in Bash. It simply prints ongoing time in hours, minutes and seconds format. Running the same script again in a separate process, pauses the timer. Running ./sw –stop resets it. The output format is in Json, so you can use it in […]