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I'm still new to Arduino Yún and I can't find any tutorials or examples on making the Yún send data through Ethernet, which will then be showed on a web server.

I've seen other tutorials but they use Uno with an Ethernet shield. Is it the same with the Yún too?

How can I send data through Ethernet using Yún?

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There are three bits of information you need to know:

  1. The Ethernet port is connected to a tiny Linux computer
  2. On Linux you can do HTTP POST and HTTP GET using a program called cURL
  3. The AVR chip can tell the Linux computer what to do using the Process library.

Putting all those together: You need to use the Process library to tell Linux to run curl with the right parameters.

Just like the tutorials show you:

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