Good morning!
After installation, I received the following errors:










































*pi@raspberrypi:~ $ sudo systemctl status weewx× weewx.service - WeeWX    
 Loaded: loaded (/lib/systemd/system/weewx.service; enabled; preset: 
enabled)     Active: failed (Result: exit-code) since Fri 2026-03-06 
22:17:49 MSK; 11h ago   Duration: 758ms       Docs: https://weewx.com/docs  
  Process: 5961 ExecStart=weewxd /etc/weewx/weewx.conf (code=exited, 
status=4)   Main PID: 5961 (code=exited, status=4)        CPU: 754msMar 06 
22:17:49 raspberrypi weewxd[5961]: CRITICAL weewx.engine:     ****         
       >Mar 06 22:17:49 raspberrypi weewxd[5961]: CRITICAL weewx.engine:   
  ****    File "/usr/l>Mar 06 22:17:49 raspberrypi weewxd[5961]: CRITICAL 
weewx.engine:     ****      self.open()Mar 06 22:17:49 raspberrypi 
weewxd[5961]: CRITICAL weewx.engine:     ****    File "/usr/l>Mar 06 
22:17:49 raspberrypi weewxd[5961]: CRITICAL weewx.engine:     ****     
 raise Seri>Mar 06 22:17:49 raspberrypi weewxd[5961]: CRITICAL 
weewx.engine:     ****  serial.serialu>Mar 06 22:17:49 raspberrypi 
weewxd[5961]: CRITICAL __main__: Unable to load driver: [Errn>Mar 06 
22:17:49 raspberrypi weewxd[5961]: CRITICAL __main__:     **** 
 Exiting...Mar 06 22:17:49 raspberrypi systemd[1]: weewx.service: Main 
process exited, code=exited, >Mar 06 22:17:49 raspberrypi systemd[1]: 
weewx.service: Failed with result 'exit-code'.lines 1-19/19 
(END)...skipping...× weewx.service - WeeWX     Loaded: loaded 
(/lib/systemd/system/weewx.service; enabled; preset: enabled)     Active: 
failed (Result: exit-code) since Fri 2026-03-06 22:17:49 MSK; 11h ago  
 Duration: 758ms       Docs: https://weewx.com/docs    Process: 5961 
ExecStart=weewxd /etc/weewx/weewx.conf (code=exited, status=4)   Main PID: 
5961 (code=exited, status=4)        CPU: 754msMar 06 22:17:49 raspberrypi 
weewxd[5961]: CRITICAL weewx.engine:     ****                         
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Mar 06 
22:17:49 raspberrypi weewxd[5961]: CRITICAL weewx.engine:     ****    File 
"/usr/lib/python3/dist-packages/serial/serialutil.py", line 244, in 
__init__Mar 06 22:17:49 raspberrypi weewxd[5961]: CRITICAL weewx.engine:   
  ****      self.open()Mar 06 22:17:49 raspberrypi weewxd[5961]: CRITICAL 
weewx.engine:     ****    File 
"/usr/lib/python3/dist-packages/serial/serialposix.py", line 325, in 
openMar 06 22:17:49 raspberrypi weewxd[5961]: CRITICAL weewx.engine:     
****      raise SerialException(msg.errno, "could not open port {}: 
{}".format(self._port, ms>Mar 06 22:17:49 raspberrypi weewxd[5961]: 
CRITICAL weewx.engine:     ****  serial.serialutil.SerialException: [Errno 
13] could not open port /dev/ttyUSB0: [Errno >Mar 06 22:17:49 raspberrypi 
weewxd[5961]: CRITICAL __main__: Unable to load driver: [Errno 13] could 
not open port /dev/ttyUSB0: [Errno 13] Permission denied: '/d>Mar 06 
22:17:49 raspberrypi weewxd[5961]: CRITICAL __main__:     **** 
 Exiting...Mar 06 22:17:49 raspberrypi systemd[1]: weewx.service: Main 
process exited, code=exited, status=4/NOPERMISSIONMar 06 22:17:49 
raspberrypi systemd[1]: weewx.service: Failed with result 
'exit-code'.~~lines 1-19/19 (END)*

Is it error of installation?
пятница, 6 марта 2026 г. в 22:22:10 UTC+3, ANDREI ROZWADOWSKI: 

> Vince,
> Thanks for support.
> I've installed weewx using your algorithm
> The program's download was interrupted several times
> I restarted it manually
> Let's see how it works
> I'll write about it later
>
> четверг, 5 марта 2026 г. в 19:56:18 UTC+3, Vince Skahan: 
>
>> Any recent Raspbian works.
>>
>> Just try the official commands from the Debian quickstart again please.
>>
>> # 1. install prerequisites
>> sudo apt update
>> sudo apt install -y wget gnupg
>>
>> # 2. tell the os to trust the weewx gpg keys
>> wget -qO - https://weewx.com/keys.html | sudo gpg --dearmor --output 
>> /etc/apt/trusted.gpg.d/weewx.gpg
>>
>> # 3. tell the os where to find the weewx packages
>> echo "deb [arch=all] https://weewx.com/apt/python3 buster main" | sudo 
>> tee /etc/apt/sources.list.d/weewx.list
>>
>> # 4. update the os to know what is in the weewx repository
>> sudo apt update
>>
>> # 5.install weewx
>> sudo apt install weewx
>>
>> Running 'sudo apt update' both times is very important to do.
>>
>>
>>

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