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https://github.com/g-oikonomou/sensniff/blob/master/host/sensniff.py

The link above refers to a python script that is to be run on Ubuntu. When I run the script, the following error appears on the screen:

Error opening port: /dev/ttyUSB0 The error was: ("could not open port /dev/ttyUSB0: [Errno 2] No such file or directory: '/dev/ttyUSB0'",)

I am really a newbie in Linux.

EDITION:
I think that the script is supposed to translate data from FTDI to a Wireshark (pcap) format through so-called PIPEs. So probably it is searching for FTDI.

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There is no ttyUSB0 on your machine. It is the char device for usb-based serial ports. Today it is used mostly in usb-based mobilnet sticks. – peterh Jul 31 '15 at 14:35
    
You are debugging an usb wifi stick? – peterh Jul 31 '15 at 14:41
up vote 0 down vote

your script using a device /dev/ttyUSB0 but that device is not attached to your system. so first you have to find attached device to your system and then run your script using

python sensniff.py -d /dev/ttyUSB1

or you can replace 'device': '/dev/ttyUSB0' in default section and run simply python sensniff.py next your question may be how to know device name than you can refer this link to get device name link to find device name

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