Author Archives: Thomas

Chemist, Programmer, Mac and iPhone enthusiast. Like coding in Perl, Python, Objective-C and other languages.

Raspberry Pi on the Go

Sometimes you are on the go and would like to play around with your Raspberry Pi. I am using a quite easy setup with my MacBook Air. Power To power the RPi I am using a standard USB-A to micro USB cable connected to one of the USB ports on the notebook. It is strong […]

Converting videos from iPhone for PowerPoint 2010

I had the problem of how to properly embed a video into PowerPoint 2010 running on Windows 7. I used the insert video command but a normal h264 video from my iPhone with a .mov extension did not work. So the video had to be converted into a different format. If you ever wanted to […]

Monitoring a Fritz!Box using RRDtool

RRDtool is a popular and versatile program to store and aggregate time-dependent data in way that the size needed for storage is not growing indefinitely. Furthermore it has a powerful plotting engine to generate nice graphs. It is therefore widely used to monitor network devices. The popular Fritz!Box router can be queried using the TR-064 […]

CarPlay nachgerüstet – Ein Erfahrungsbericht

Meine Voraussetzungen Ich fahre einen Mercedes CLK Baujahr 2003 und dieser hat ein einfaches Navi verbaut, welches so direkt keine Möglichkeiten zum Anschließen eines Telefons über Bluetooth oder zumindest Aux hat. So war die Idee, man müsste mal das Radio tauschen und glücklicherweise ist in der Mittelkonsole ein Doppel-DIN Schacht verbaut, den man doch mit […]

Fixing a RaspberryPi raspian SD Card

Recently I ran into an issue with my Raspberry Pi. It was not accessible over the network and the HDMI output showed no signal, too. The power LED on the RPi was lit, however the green LED showing SD card activity was not blinking when power was attached. On my RPi I was running the […]

New Beefy Storage Home Server – Part 1

The Aim After using my computing equipment for some time my desk got filled with 3 external hard drives containing backups and archived data such as videos, photos. Even worse these drives spin down after a while resulting in a 6 second lag when opening a file open or save panel. Furthermore the use of […]

Simple Samba Configuration for Public Shares

The Aim Sometimes it is necessary to share files from a POSIX operating system (Linux, FreeBSD, etc.) with Windows computers via the network. For this task Samba is the powerful interoperability suite which can handle this task. To distinguish between these two systems I will differentiate between POSIX (that is the samba server) and Windows […]

Writing a Parser Is Boring?

When interacting with different services or program there often comes the point where some sort of file has to be parsed into a data structure, which can be processed later. For standard file formats like XML or JSON parsers are available for almost any language out there. (BTW I love the graphical representation of the […]

Dancing the DHCP Samba

After a hardware failure of a Linux computer I took the chance to set up a Debian installation from scratch. So I saved the data that was important to a server, burned the Debian DVD and installed it on the computer. When it came to networking it got a little more complicated: as the server […]

Deploying a Wireless Network in Your House

The rise of mobile electronic devices, which need internet access has changed the demand we have on our home networks. The days are over where one had a single computer connected with a wire to the broad-band internet modem. WLANs became very popular because network client became more mobile. It started with the notebooks with […]