Some time ago I read about random numbers and the linux kernel. The problem was (and still is) that the linux kernel uses things like network activity and keyboard/mouse interrupts to gather entropy for its random number generator. So.. What is entropy? Entropy is a measure of the uncertainty associated with a random variable. This [...]
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Do you know that you can extract sound from a flash video file in ubuntu/debian using just one command? You can. First, you must download the video file from YouTube (described here). Then, you must install mplayer: sudo apt-get install mplayer. Then, it’s simply a matter of playing the video file with mplayer, while [...]
Okay, this is a very short blogpost that will show you how to download videos from YouTube, using a command line tool found on debian and ubuntu. The program I’m talking about is youtube-dl and to install it, you should open a terminal window and type in the following:
sudo apt-get install youtube-dl
When youtube-dl is [...]
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