Raspberry Pi: Raspbian – Modify image

In this post you will learn how to make some (tiny) changes in the Raspbian SD card image before writing it on the micro SD card. Assumptions You downloaded a Raspbian image (i.e. 2015-11-21-raspbian-jessie.img) You are using a computer running Ubuntu (or other linux distribution) Mount Raspbian partition You need to mount the Raspbian partition… Continue reading Raspberry Pi: Raspbian – Modify image

Your own Android application!

This article will help you developing your first Android application based on Adobe AIR. All tools are free of charge available. This article is assuming you use (Ubuntu) Linux. Prepare your development environment First download the software development kits (SDKs): Android SDK Adobe Flex SDK Adobe AIR SDK Unpack these SDKs in the directory: /opt/android… Continue reading Your own Android application!

Home automation: Controlling your heating remotely

When buying my house we went during the visit also to the basement. At this place the so called Mercedes of the house was installed: The Vitola 200 oil-fired heating/boiler controlled by the Vitotronic 200 type KW2 produced by the firm Viessmann. Installation and material was about 6000 euro when checking the invoice. Maybe this… Continue reading Home automation: Controlling your heating remotely

Dynamic public IP-address / Call – Home

Assume you do have a computer connected to the Internet which obtains it’s public IP-address dynamicly. Some providers like 1und1 in Germany require that the xDSL line is reset every day at least one time. At that moment you obtain a new IP-address from a pool of addresses. Privacy This dynamic IP-address is great if… Continue reading Dynamic public IP-address / Call – Home