Have you ever dreamed of building your own cluster? Running your own service on your own machines? Now with ARM boards it is possible! You don't need much space or excessive amount of money. In this article you may see how I did it and how to control power of each ARM device separately.
Long time ago I wrote php-signal-handler PHP module to handle unix signals while processing thread is blocked (you can't do it with pcntl). Enjoy!
Some time ago I'd an opportunity to play around with BBB. The program presented in this article is collecting data from DS18B20 sensors and stores them in sqlite database. Data are accessible via http (jQuery mobile). I was in hurry while writing the code, so article's content might seem a bit messy. Additionally you may set an alarm, whenever temperature exceeds defined boundaries you'll be notified by email.
Dynamic DNS is a handy tool whenever you want access your home environment from the outside world. Most of us have dynamic IP, so the dns server must be updated whenever the dynamic address changes. Somehow I don't feel comfortable with services such as no-ip.com etc. and that is why I decided to write simple, yet useful dynamic DNS service on my own. It took me ~300 lines of well formatted code. It is not much, isn't it? Let's "GO"!