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
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
Een poging doen om de toekomst te voorspellen?
Men doet al zolang men kan herinneren pogingen om de toekomst te voorspellen. Denk bijvoorbeeld aan het voorspellen van de toekomst aan de hand van een kopje Turkse koffie dat op de kop wordt gezet, maar ook aan een meer geaccepteerde manier van de toekomst voorspellen, namelijk de weersvoorspelling. Dit artikel zal echter in gaan… Continue reading Een poging doen om de toekomst te voorspellen?