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Author Archives: Christian Pellegrin
Kubeplay: A Kubernetes cluster in a VirtualBox
Kubeplay You can find everything you need to deploy your Kubernetes cluster in a VirtualBox in the kubeplay repository. Current pinned version of the components are: Base system: Ubuntu LTS Focal 20.04 Kubernetes: 1.20.5 CRI-O: 1.20 Cilium: 1.9.5 The Vagrant … Continue reading
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Reverse Engineering fun for just 9.33 € + shipping
This article is a brief introduction to the reverse engineering of a Bluetooth LE Temperature and Humidity sensor and data logger. This is done, according to the EU reverse engineering law, only for interoperability purposes. The device is called SensorBlue … Continue reading
Posted in Android, Linux desktop
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Notes on using a TPM2 module on Linux
Here I collected some notes on using the TPM2 on Linux, specifically Arch Linux. The motherboard used is an ASRock E3C222D4U with the ASRock TPM2 module. This article focuses on enabling the usage of the keys stored in the TPM2 … Continue reading
Posted in Linux desktop
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YAACA, Yet Another AstroCam Application
Yaaca is an application to acquire images from ZWO ASICams and apply various astronomical image processing to them. It is available and documented on yaaca github page. Here are some examples.
Posted in Astronomy, Linux desktop
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Using Google Nik Collection with GIMP under Linux and WINE.
Ideally we should have Free Software that serves our needs, but sometimes we must settle for a temporary solution. Google Nik Collection is now free as in free beer, some of its filters are just amazing and it is pretty … Continue reading
Posted in Linux desktop
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Per process routing take 2: using cgroups, iptables and policy routing
In a previous article we saw how it’s possible to do per process routing using namespaces. In this one we will achieve the same by using cgroups, iptables and policy routing. Perhaps the user case is a bit marginal (see … Continue reading
Using Linux Network Namespaces for per processes routing
The use case for this article may seem a bit strange in year 2013 but I swear it’s real. I have a (relatively) fast connection but I have a traffic cap on it and a (really) slow one which is … Continue reading
ftdispi, a library for interfacing SPI devices with FTDI based USB to JTAG dongles
ftdispi is a small library that can be used to interface SPI devices to FTDI based USB to JTAG interfaces. It is based on libus-1.0. It was tested with the Xverve Signalyzer (USB VID 0x0403, PID 0xbca0). Have a look … Continue reading
Hardware JPEG2000 on Linux
Eurotech CTR1474 Linux driver. This is a powerful PC/104 board for DVR applications. It features an JPEG2000 codec and TWA2835 video processor.