docs: Improved documentation for /dev/ttyUSB0 issues
Improved documentation for /dev/ttyUSB0 issues. This occurred in Ubuntu, but I'm sure is applies to most distributions. Merges https://github.com/espressif/esp-idf/pull/1158
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@ -70,6 +70,15 @@ ESP32 toolchain for Linux is available for download from Espressif website:
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Instead of ``/home/user-name`` there should be a home path specific to your installation.
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Permission issues /dev/ttyUSB0
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------------------------------
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With some Linux distributions you may get the ``Failed to open port /dev/ttyUSB0`` error message when flashing the ESP32. This can be solved by adding the current user to the ``dialout`` group, such as running the following command::
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sudo adduser $USER dialout
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Arch Linux Users
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----------------
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