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List:       fedora-list
Subject:    Re: F38 adding user to dialout group without reboot
From:       Robert Moskowitz <rgm () htt-consult ! com>
Date:       2023-12-04 22:38:15
Message-ID: 895f4726-6ca5-4dc0-8a8a-e95e99f0f3d0 () htt-consult ! com
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Working!

Got port busy at first, then remembered that I improperly terminated 
screen run from sudo.  So actually screen still was running and keeping 
the port busy.  Easiest fix was pulling the usb cable to the esp32 and 
reinserting.

Code now downloading.

thanks!

On 12/4/23 17:28, Chris Adams wrote:
> Once upon a time, Robert Moskowitz <rgm@htt-consult.com> said:
>> I have added me to group dialout:
>>
>> $ groups rgm
>> rgm : rgm wheel dialout
>>
>> But I cannot access /dev/ttyUSB0
>>
>> screen /dev/ttyUSB0 115200
>>
>> Does not work but:
>>
>> sudo screen /dev/ttyUSB0 115200
>>
>> does.
>>
>> Dr. Google seems to think I need a reboot for this to work.  I have
>> too many things running to want to reboot.
> No, you don't need to reboot... but you do need to logout (which might
> be close to the same thing).  Group modifications are only applied to
> new user sessions; you can see this with the "id" command.
>
> For terminal stuff, you can get away with re-authenticating that
> terminal, like "exec sudo -su $(id -un)".
>
--
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