New install on a fresh RPI4B, new card etc.
Installation seems to go fine, but there seems to be a permissions issue
with the USB0 port I am using for the USB -> serial adapter to the serial
console on the Davis VP.
Log as follows:
× weewx.service - WeeWX
Loaded: loaded (/lib/systemd/system/weewx.service; enabled; preset:
enabled)
Active: failed (Result: exit-code) since Mon 2024-03-11 17:10:35 CDT;
38min ago
Duration: 342ms
Docs: https://weewx.com/docs
Process: 2511 ExecStart=weewxd /etc/weewx/weewx.conf (code=exited,
status=4)
Main PID: 2511 (code=exited, status=4)
CPU: 343ms
Mar 11 17:10:35 raspberrypi weewxd[2511]: CRITICAL weewx.engine: ****
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Mar 11 17:10:35 raspberrypi weewxd[2511]: CRITICAL weewx.engine: ****
File "/usr/lib/python3/dist-packages/serial/serialutil.py", line 244, in
__init__
Mar 11 17:10:35 raspberrypi weewxd[2511]: CRITICAL weewx.engine: ****
self.open()
Mar 11 17:10:35 raspberrypi weewxd[2511]: CRITICAL weewx.engine: ****
File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 325, in
open
Mar 11 17:10:35 raspberrypi weewxd[2511]: CRITICAL weewx.engine: ****
raise SerialException(msg.errno, "could not open port {}:
{}".format(self._port, msg))
Mar 11 17:10:35 raspberrypi weewxd[2511]: CRITICAL weewx.engine: ****
serial.serialutil.SerialException: [Errno 13] could not open port
/dev/ttyUSB0: [Errno 13] Permission denied: '/dev/ttyUSB0'
Mar 11 17:10:35 raspberrypi weewxd[2511]: CRITICAL __main__: Unable to load
driver: [Errno 13] could not open port /dev/ttyUSB0: [Errno 13] Permission
denied: '/dev/ttyUSB0'
Mar 11 17:10:35 raspberrypi weewxd[2511]: CRITICAL __main__: ****
Exiting...
Mar 11 17:10:35 raspberrypi systemd[1]: weewx.service: Main process exited,
code=exited, status=4/NOPERMISSION
Mar 11 17:10:35 raspberrypi systemd[1]: weewx.service: Failed with result
'exit-code'.
~
VER:
Linux raspberrypi 6.6.20+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.6.20-1+rpt1
(2024-03-07) aarch64
HRDWR
RPI-4B
Davis Vantage Pro (not the II).
Weewx version (what ever downloaded today using "apt install weewx"). Think
it's 5.0.2.
What should the permissions be set to the port, or user added? Is it
weewxd, root, pi?
SHould I change the user in the weewx.conf, or change the chmod the port?
Maybe I should have started with an older weewx version and upgraded? This
may have been sorted out already previously.
Thankx in advance,
-G.
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