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 Guzzidiag on linux won't connect- com port greyed out

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wayne68
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wayne68


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PostSubject: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Thu May 04, 2017 2:53 pm

Hi all, i recently ditched horrible slow vista on my ancient laptop for linux, making my fossilised dell perform like it's on crack.
Trouble is i can't get guzzidiag to connect anymore, the com port is blank and greyed out.
Any help will be much appreciated.
Thanks.
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beetle
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Thu May 04, 2017 11:54 pm

First thing to do is open a terminal window. Ways to do this vary by which type of desktop you have, but you can usually right-click on the desktop and the menu will have a Terminal or Open-In-Terminal selection. Alternatively, type CTRL-ALT-T and a terminal will open.

You will get something that looks like this:

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Plug in the GuzziDiag cable to a USB port. In the terminal, type:

sudo usermod -a -G dialout [enter]

You will be asked for your password. Enter your password and hit [enter].

Then, type:

ls -al /dev/ttyUSB0

You should get something like this:


[You must be registered and logged in to see this image.]




That should do it. You should now be able to connect.



cheers

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Oz1200Guzzi
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Guzzidiag on linux won't connect- com port greyed out Empty
PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 12:13 am

Awesome Mark - Oh Linux Guru
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wayne68
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 12:38 am

Hi beetle, still greyed out sadly. I'll do a fresh install tomorrow and try again, i've been messing about in the terminal previously and fear i cocked something up trying to get it to work.
Thanks for your reply, much appreciated.
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beetle
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 1:19 am

Don't reload. Try this:

With the cable plugged in and powered, check that you have this device:  /dev/tts/USB0

If so, In a terminal, run this command:

sudo chmod 666 /dev/tts/USB0

Create a symlink:

sudo ln -s /dev/tts/USB0 /dev/ttyUSB0



You might also try running GuzziDiag as root.



Suspect

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wayne68
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 7:56 am

It comes up with 'bash: /dev/tts/USB0: No such file or directory'. So looks like something's missing.
I'll do a search and see what i need.
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Oz1200Guzzi
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 7:58 am

Try replacing the zero in the USB string with other numbers. Sometimes there is an apparent conflict between real and virtual USBs. Then again, I may be talking shyte...
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beetle
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 10:25 am

Does /dev/ttyUSB0 exist when the cable is plugged in and powered?



scratch

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wayne68
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 10:57 am

No, I'm presuming that line should be entered in the terminal, same as the rest? It's really bugging me now, still, there's scan m5x i can fall back on for tps reset. I won't give up on this though...
Thanks again.
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beetle
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 11:08 am

In a terminal, what is the output of:

ls -al /dev/*USB*


(With the cable plugged in and powered).


Question

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wayne68
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 11:33 am

'no such file or directory' aaaarrrghh Mad
I'm off for a spin to clear my head
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beetle
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 12:50 pm

Oops.

Try:

sudo ls -al /dev/*USB*




silent

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wayne68
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 2:10 pm

Something appeared!  'crw-rw---- 1 root dialout 188, 0 may  5 13.05 /dev/ttyUSB0'

And as superuser (lol !) 'lrwxrwxrwx 1 root 13 may 5 13.46 /dev/ttyUSB0 -> /dev/tts/USB0'


Last edited by wayne68 on Fri May 05, 2017 2:56 pm; edited 1 time in total
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beetle
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 2:34 pm

Did you do:

sudo usermod -a -G dialout $USER

...where $USER is your username?



scratch

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wayne68
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 3:02 pm

..


Last edited by wayne68 on Fri May 05, 2017 6:14 pm; edited 1 time in total (Reason for editing : Useless post)
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wayne68
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 3:36 pm

Hang on... IT WORKS!
Thank you thank you cheers cheers cheers
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wayne68
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Fri May 05, 2017 6:28 pm

So in the end i just did

sudo usermod -a -G dialout $USER


ls -al /dev/ttyUSB0.

Just adding my name did it.
Thanks again Mark, you saved what's left of my sanity
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beetle
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Sat May 06, 2017 12:12 am

cheers





cheers

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Paggers
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Sun Aug 12, 2018 1:34 am

Same problem, tried all of the above, rebooted but cant get a connection. Its fine from a laptop running windoze 10, but I would prefer to use a old laptop that has linux on it out in the garage. Any more ideas besides chucking the laptop in a skip? Question
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beetle
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Sun Aug 12, 2018 3:36 am

No skippy. Linux good.

What happens when you run GuzziDiag as root? Or, if you have a swot version if Linux that doesn't allow you superpowers, run it with sudo?






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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Sun Aug 12, 2018 12:15 pm

Thanks Beetle, one laptop saved from the skip.  Ran it with sudo, works fine.
Its a long time since I played with Linux, got to get the rapidly diminishing little grey cells working again.
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beetle
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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1Sun Aug 12, 2018 1:38 pm

cheers





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PostSubject: Re: Guzzidiag on linux won't connect- com port greyed out   Guzzidiag on linux won't connect- com port greyed out Icon_minitime1

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