Is it working now ? What thoughts are you looking for in particular ?

On Monday, February 19, 2024 at 5:47:48 PM UTC-8 Jason Patton wrote:

> Hello All,
>   After trying to pick-up the pieces of a borked upgrade, I just 
> encountered the same 'could not open port /dev/ttyUSB0'.  Entirely possible 
> that I've missed documentation somewhere, but is would seem that weewx, is 
> now running as usr:grp weewx:weewx (which is where the upgrade script 
> borked, setting user permissions)?  My fix was amending permissions on: 
> '/dev/ttyUSB0' to: root:weewx, and weewx started fine.  Until, it tried to 
> write the HTML, where weewx no-longer had permissions.  Upon granting weewx 
> permission to that folder / sub-folders, all seems well.  Thoughts, anyone?
>
> Best regards, Jason.
>
> On Sunday 11 February 2024 at 07:36:30 UTC+11 Joseph Verreau wrote:
>
>> p.p.s I just noticed that I didn't have the subsystem prefix on my rule.  
>> So my entry in 50-localusb.rules is:
>> SUBSYSTEM=="tty",ATTRS{serial}=="1344794749", 
>> ATTRS{manufacturer}=="Silicon Labs", SYMLINK+="DavisVP"
>> and I rebooted; altho I still don't have a symlink for /dev/DavisVP
>> all the same my station is back online, submitting reports to all three 
>> configured weather services
>>
>> On Saturday, February 10, 2024 at 3:22:52 PM UTC-5 Joseph Verreau wrote:
>>
>>> p.s. just noticed I'm not getting a symlink for the DavisVP rule but I 
>>> haven't rebooted since I added that local rule.
>>>
>>> Joe Verreau
>>>
>>> On Saturday, February 10, 2024 at 3:05:41 PM UTC-5 Joseph Verreau wrote:
>>>
>>>> hmm.  this seems to be my issue on installing 5.0.0 following erasing 
>>>> 4.10.  On my own I tried adding weewx user to the wheel group and to 
>>>> sudoers file.  I tried what Matt and Paul were discussing about rule 
>>>> changes and yet I still get the "ERROR weewx.engine: Import of driver 
>>>> failed: [Errno 13] could not open port /dev/ttyUSB0: [Errno 13] Permission 
>>>> denied:"  When I run as root from command line all seems to be good.
>>>> Should I do a full report with journal log?
>>>>
>>>> Joe Verreau KMIOKEMO13
>>>> Okemos, MI 
>>>>
>>>> On Wednesday, January 31, 2024 at 11:09:41 AM UTC-5 matthew wall wrote:
>>>>
>>>>> On Wednesday, January 31, 2024 at 3:29:36 AM UTC-5 [email protected] 
>>>>> wrote:
>>>>>
>>>>> Hi Matthew
>>>>>
>>>>> Thanks for the information about the various udev folders which helps 
>>>>> me understand their interaction.
>>>>>
>>>>> I created a file /etc/udev/50-localusb.rules and inserted the rule. 
>>>>> Also, inherited from Linux Mint 20.1 running Weewx 4.8, I also have the 
>>>>> following line in /etc/udev/descriptive-names.rules
>>>>>
>>>>> ATTRS{serial}=="1344794749", ATTRS{manufacturer}=="Silicon Labs", 
>>>>> SYMLINK+="DavisVP"
>>>>>
>>>>> and that SYMLINK is created.
>>>>>
>>>>> /usr/lib/udev/rules.d/60-weewx.rules contains 10+ lines for different 
>>>>> stations and includes the following for Vantage:
>>>>>
>>>>> # davis vantage via usb-serial
>>>>>
>>>>> SUBSYSTEM=="tty",ATTRS{idVendor}=="10c4",ATTRS{idProduct}=="ea60",MODE="0664",GROUP="weewx",SYMLINK+="vantage"
>>>>>
>>>>> SUBSYSTEM=="tty",ATTRS{idVendor}=="10c4",ATTR{idProduct}=="ea61",MODE="0664",GROUP="weewx",SYMLINK+="vantage"
>>>>>
>>>>> The vantage SYMLINK is not being created.
>>>>>
>>>>> Not sure if I should leave 'as is' or edit 60-weewx.rules and remove 
>>>>> 50-localusb.rules
>>>>>
>>>>>
>>>>> you can keep your 50-localusb.rules.  you might want to consolidate 
>>>>> the vpro rule in localusb.rules with the vpro rule in 
>>>>> descriptive-names.rules.  or not.  depends on how you like to manage 
>>>>> things.  and your weewx.conf must already refer to 'DavisVP'...
>>>>>
>>>>> if you modify /usr/lib/udev/rules.d/60-weewx.rules, it will be 
>>>>> overwritten when you next upgrade weewx, so just leave it.
>>>>>
>>>>> on your system, is there a /dev/vantage that is a symlink to the 
>>>>> usb-serial adapter?  if so, that indicates the weewx.rules in 
>>>>> /usr/lib/udev 
>>>>> is working.
>>>>>
>>>>> m
>>>>>
>>>>

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