[Coco] Drivewire 4 having trouble detecting my serial port

[Steven Hirsch]

On Sun, 13 May 2012, Christopher Hawks wrote:

>> the space provided and then click "Add Port". A message then appear saying:
>> "/dev/ttyUSB0 This port does not exist". I know for a fact it does exist
>> however, as it appears in the /dev directory in my Linux file system. Any 
>> ideas?
>
> Fred:
>
> 	Do you have permission to access the port??
>
> When first created, mine showed up with permissions:
>
> HAWKSoft(chrish)$ ls -l /dev/ttyUSB0
> crw-rw---- 1 root uucp 188, 0 2009-01-03 17:07 /dev/ttyUSB0
> (usable by root and owner uucp)
>
> I had to change it to:
>
> crw-rw-rw- 1 root uucp 188, 0 2009-01-03 17:07 /dev/ttyUSB0
> (usable by root, owner uucp, and everyone)
>
> Then I could use it.

That fix may prove fragile.  A more general solution is to add your user 
id to the owning group, in this case "uucp".  On my Ubuntu box it's owned 
by the 'dialout' group, but this will vary across distributions.



--