Parallel bash scripts – waiting for completion

Assume we would like to execute several independent tasks in parallel and we would like to wait till these tasks are completed. For example we would like to copy a set of files to several (remote) hosts and get a signal when we are ready with this copying task to ALL hosts so we can… Continue reading Parallel bash scripts – waiting for completion

Raspberry Pi: Your cheap Automatic Identification System (AIS) receiver

AIS tracking at December 29th 2015 - 17:05h - Saffira, Wilhelmina Arina, RWS 27,Kansas City, Roeroord, Residence, and Alcyon.

In this tutorial you will learn how to teach your Raspberry Pi to become a brave Automatic Identification System (AIS) receiver. What is AIS? The Automatic Identification System (AIS) is an automatic tracking system used on/for ships. It transmits information like identification, position, course and speed. Ingredients Raspberry Pi (2 model B) DVB-T-DAB-FM receiver Client… Continue reading Raspberry Pi: Your cheap Automatic Identification System (AIS) receiver

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

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