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I have an RS232 to USB adapter and I need to change permissions on /dev/ttyUSB0 to make a ham radio interface program work.

So far I have tried sudo at the command line with no success.
I tried sudo nautilus and was able to make the permission changes using the GUI, and then the program worked, however, when I re-booted the machine, the permissions were re-set to "root".

What am I doing wrong?

K7AAY
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Robert Irwin
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1 Answers1

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In Terminal type the following: sudo adduser "User Name" dialout

Example:
The User Name on my computer is gordy so I would type in Terminal sudo adduser gordy dialout then press enter

I then see a message, stating that gordy has been added to dialout group Type groups to see what groups a "User Name " belongs to, and you should have access to the USB ports.

v2r
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user187766
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