Bits and pieces easily explained
I had quite some fun building this parallel circuit with LEDs so I decided to share it. Pay attention that I used different resistors depending on the LED color. Here you can find a good article about how to choose correct Continue reading Arduino UNO – LED parallel circuit
Introduction This article describes briefly my setup of an automatic backup procedure for my file storage I have connected to my Rasperry Pi 3 Model B. The file storage as well as the backup storage are external hard drives. Both Continue reading Raspberry Pi – File storage backup
Introduction This year I decided to move 2 of my local Git-/SVN-projects to my Github account. The SVN-Project (mccm-project) I started in early 2012 for MCCM Feldkirch. That time I basically converted the bespoke MCCM homepage to wordpress. Later – in 2015 Continue reading Local Git-/SVN-projects to Github
Introduction This article is a follow up of on previous blog post about my minidlna setup. BubbleUPnP Server is no media server per se, it just adds additional services to your existing DLNA media service solution. In my case I was interested in Continue reading Raspberry Pi – BubbleUPnP Server
Introduction Today I installed “minidlna” on my Rasperry Pi 3 Model B. At the moment I plan to store all my videos, pictures etc. on an external hard drive connected to the Pi and share the files in my internal Continue reading Raspberry Pi – Minidlna
Introduction Hadoop actually offers a lot of ways to execute and utilize the MapReduce “magic”. MapReduce tasks (the correct terminology is Application; this means every MapReduce task is called an Application) can be written in many different programming languages. In Continue reading Using MapReduce in Hadoop
Introduction The aim of this article is to provide the reader a walkthrough on how to set up a Hadoop 2.7.1 in Pseudo Distributed Mode (= Single Node Cluster) on Ubuntu 14.04. The article does not provide Hadoop basics (e.g. Continue reading Installing Hadoop in Pseudo Distributed Mode
Introduction Working with tree domain models is quite common in software development. As it’s not only common but also interesting I decided do some research on this topic to gain some new experience and know-how. The goal of this article Continue reading Working with tree data in relational databases
Sorry I have removed this post because I was not satisfied with it. There are a lot of great articles out there about this topic already. One article I can recommend for further reading: http://www.codeproject.com/Articles/890/Bridge-Pattern-Bridging-the-gap-between-Interface
A few days ago I had an interesting discussion with one of my colleagues. The discussion was about how to apply installed packages, services and source installations of a debian based dev-server to a new “plain” server. He pointed out that I may want to use Continue reading Reverse engineer your server with blueprint