Yes, it was a permissions issue. Thanks for the info. I checked serial/USB adapter permissions using ls- l /dev/ttyS0 and added weewx to the dialout group sudo usermod -aG dialout weewx
On Wednesday, June 5, 2024 at 4:58:10 PM UTC+1 vince wrote: > Did you even try to look for the answer to this very frequently asked > question ? > > Please use the 'search conversations within weewx-user' box at the top of > the browser and look for your exact error message > "*serial.serialutil.SerialException: > [Errno 13] could not open port /dev/ttyUSB0: [Errno 13] Permission denied: > '/dev/ttyUSB0'*" > > Any of the top five returned results provide the answer. My answer from > March to somebody else in > https://groups.google.com/g/weewx-user/c/duGfSg6cQZ4/m/adiOz1FUAAAJ > <https://groups.google.com/g/weewx-user/c/duGfSg6cQZ4/m/adiOz1FUAAAJ> > provides links to the why. > > ALWAYS ALWAYS ALWAYS SEARCH FOR YOUR EXACT ERROR MESSAGE. The odds are > very very high that it has been asked and answered here before. > > On Wednesday, June 5, 2024 at 8:21:16 AM UTC-7 barry manilow wrote: > >> Just installed Weewx 5 and new install of Bookworm 32 bit on Raspberry pi >> 4. I'm using a USB Serial interface with my Davis Vantage Vue, which has >> worked perfectly for the past few years. >> After completing setup I started with sudo service weewx start. >> No data appeared to be sent, so checked weewx status and got this error: >> >> $ sudo service weewx status >> × weewx.service - WeeWX >> Loaded: loaded (/lib/systemd/system/weewx.service; enabled; preset: >> enabled) >> Active: failed (Result: exit-code) since Wed 2024-06-05 16:07:17 >> BST; 53s ago >> Duration: 299ms >> Docs: https://weewx.com/docs >> Process: 1733 ExecStart=weewxd /etc/weewx/weewx.conf (code=exited, >> status=4) >> Main PID: 1733 (code=exited, status=4) >> CPU: 299ms >> >> Jun 05 16:07:17 raspberrypi weewxd[1733]: CRITICAL weewx.engine: **** >> >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ >> Jun 05 16:07:17 raspberrypi weewxd[1733]: CRITICAL weewx.engine: **** >> File "/usr/lib/python3/dist-packages/serial/serialutil.py", line 244, in >> __init__ >> Jun 05 16:07:17 raspberrypi weewxd[1733]: CRITICAL weewx.engine: **** >> self.open() >> Jun 05 16:07:17 raspberrypi weewxd[1733]: CRITICAL weewx.engine: **** >> File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 325, >> in open >> Jun 05 16:07:17 raspberrypi weewxd[1733]: CRITICAL weewx.engine: **** >> raise SerialException(msg.errno, "could not open port {}: >> {}".format(self._port, msg)) >> Jun 05 16:07:17 raspberrypi weewxd[1733]: CRITICAL weewx.engine: **** >> serial.serialutil.SerialException: [Errno 13] could not open port >> /dev/ttyUSB0: [Errno 13] Permission denied: '/dev/ttyUSB0' >> Jun 05 16:07:17 raspberrypi weewxd[1733]: CRITICAL __main__: Unable to >> load driver: [Errno 13] could not open port /dev/ttyUSB0: [Errno 13] >> Permission denied: '/dev/ttyUSB0' >> Jun 05 16:07:17 raspberrypi weewxd[1733]: CRITICAL __main__: **** >> Exiting... >> Jun 05 16:07:17 raspberrypi systemd[1]: weewx.service: Main process >> exited, code=exited, status=4/NOPERMISSION >> Jun 05 16:07:17 raspberrypi systemd[1]: weewx.service: Failed with result >> 'exit-code' >> >> Something has changed with permissions I think, but no idea what. >> Any ideas on what has happened? Thanks! >> >> -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/780cf955-dacc-4a28-b92a-449a768cedcan%40googlegroups.com.
