hello Dominic, Thanks for feedback.
Unfortunately, I don't see any "sudo" in the file "/lib/systemd/system/weewx.service". See below: # systemd service configuration file for WeeWX [Unit] Description=WeeWX Documentation=https://weewx.com/docs Requires=time-sync.target After=time-sync.target Wants=network-online.target After=network-online.target [Service] ExecStart=weewxd /etc/weewx/weewx.conf StandardOutput=null StandardError=journal+console RuntimeDirectory=weewx RuntimeDirectoryMode=775 User=weewx Group=weewx [Install] WantedBy=multi-user.target Pierre-Yves Le mercredi 14 février 2024 à 09:33:15 UTC+1, Dominic Reich a écrit : > Hello, i replied inline. > > Pierre-Yves <pyb...@gmail.com> wrote: > > >Thanks Vince > > > >I found in rtl-sdr. rules a rule corresponding to my SDR stick : > > > >SUBSYSTEMS=="usb", ATTRS{idVendor}=="0bda", ATTRS{idProduct}=="2838", ENV > >{ID_SOFTWARE_RADIO}="1", MODE="0660", GROUP="plugdev" > > > >I added the weewx user to that group: "sudo usermod -aG plugdev weewx" > > > >I still can start weewx with the "sudo weewd" command as before but I > can't > >run weewx in daemon mode. "sudo systemctl start weewx" gives still the > same > >error : > > > >Feb 14 08:49:54 raspberrypi weewxd[5905]: INFO weewx.engine: Starting main > >packet loop. > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ERROR user.sdr: > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ERROR user.sdr: Nous espérons > que > >vous avez reçu de votre administrateur système local > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ERROR user.sdr: les consignes > >traditionnelles. Généralement, elles se concentrent sur ces trois > éléments : > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ERROR user.sdr: > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ERROR user.sdr: #1) > Respectez la > >vie privée des autres. > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ERROR user.sdr: #2) > Réfléchissez > >avant d'utiliser le clavier. > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ERROR user.sdr: #3) De > grands > >pouvoirs confèrent de grandes responsabilités. > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ERROR user.sdr: > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ERROR user.sdr: sudo: un > terminal est > >requis pour lire le mot de passe; utilisez soit l'option -S pour lire > depuis > >l'entrée standard ou configurez un outil askpass de demande de mot de > passe > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ERROR user.sdr: sudo: il est > >nécessaire de saisir un mot de passe > > I don't speak french, but it looks like you still have a sudo command > somewhere in your unit file. > > Would you please show us the contents of your running unit file > > systemctl show -P FragmentPath weewx.service > > will get you the path of that file. cat that file and paste it here or > if you are confident remove the sudo statement in there somwhere at > ExecStart...="sudo /usr......" > > because you should not need sudo when you added weewx to the plugdev > group. > > That file contains usually also the information what user runs the > daemon in the end. > > >Feb 14 08:49:54 raspberrypi weewxd[5905]: INFO weewx.engine: Main loop > exiting. > >Shutting engine down. > >Feb 14 08:49:54 raspberrypi weewxd[5905]: INFO user.sdr: shutdown process > sudo > >/usr/local/bin/rtl_433 -f 868.3M -f 433.92M -H 90 -Y autolevel -s 1024k > -R 173 > >-R 172 -R 42 -M utc -F json > >Feb 14 08:49:54 raspberrypi weewxd[5905]: DEBUG user.sdr: close stdout > >Feb 14 08:49:54 raspberrypi weewxd[5905]: DEBUG user.sdr: close stderr > >Feb 14 08:49:54 raspberrypi weewxd[5905]: Exception in thread > stdout-thread: > >Feb 14 08:49:54 raspberrypi weewxd[5905]: DEBUG user.sdr: shutdown > >stdout-thread > >Feb 14 08:49:54 raspberrypi weewxd[5905]: Traceback (most recent call > last): > >Feb 14 08:49:54 raspberrypi weewxd[5905]: Exception in thread > stderr-thread: > >Feb 14 08:49:54 raspberrypi weewxd[5905]: Traceback (most recent call > last): > >Feb 14 08:49:54 raspberrypi weewxd[5905]: File "/usr/lib/python3.9/ > >threading.py", line 954, in _bootstrap_inner > >Feb 14 08:49:54 raspberrypi weewxd[5905]: File "/usr/lib/python3.9/ > >threading.py", line 954, in _bootstrap_inner > >Feb 14 08:49:54 raspberrypi weewxd[5905]: self.run() > >Feb 14 08:49:54 raspberrypi weewxd[5905]: File > "/etc/weewx/bin/user/sdr.py", > >line 198, in run > >Feb 14 08:49:54 raspberrypi weewxd[5905]: self.run() > >Feb 14 08:49:54 raspberrypi weewxd[5905]: File > "/etc/weewx/bin/user/sdr.py", > >line 198, in run > >Feb 14 08:49:54 raspberrypi weewxd[5905]: for line in iter > >(self._fd.readline, ''): > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ValueError: > PyMemoryView_FromBuffer > >(): info->buf must not be NULL > >Feb 14 08:49:54 raspberrypi weewxd[5905]: DEBUG user.sdr: shutdown > >stderr-thread > >Feb 14 08:49:54 raspberrypi weewxd[5905]: for line in iter > >(self._fd.readline, ''): > >Feb 14 08:49:54 raspberrypi weewxd[5905]: ValueError: > PyMemoryView_FromBuffer > >(): info->buf must not be NULL > >Feb 14 08:49:54 raspberrypi weewxd[5905]: INFO user.sdr: shutdown complete > >Feb 14 08:49:54 raspberrypi weewxd[5905]: CRITICAL __main__: Caught > >WeeWxIOError: rtl_433 process is not running > >Feb 14 08:49:54 raspberrypi weewxd[5905]: CRITICAL __main__: **** > Waiting > >60.0 seconds then retrying... > >Feb 14 08:50:03 raspberrypi weewxd[5905]: INFO __main__: Received signal > TERM > >(15). > >Feb 14 08:50:03 raspberrypi systemd[1]: Stopping WeeWX... > >Feb 14 08:50:03 raspberrypi weewxd[5905]: Traceback (most recent call > last): > >Feb 14 08:50:03 raspberrypi weewxd[5905]: File > "/usr/share/weewx/weewxd.py", > >line 166, in main > >Feb 14 08:50:03 raspberrypi weewxd[5905]: engine.run() > >Feb 14 08:50:03 raspberrypi weewxd[5905]: File "/usr/share/weewx/weewx/ > >engine.py", line 204, in run > >Feb 14 08:50:03 raspberrypi weewxd[5905]: for packet in > >self.console.genLoopPackets(): > >Feb 14 08:50:03 raspberrypi weewxd[5905]: File > "/etc/weewx/bin/user/sdr.py", > >line 3316, in genLoopPackets > >Feb 14 08:50:03 raspberrypi weewxd[5905]: raise > weewx.WeeWxIOError("rtl_433 > >process is not running") > >Feb 14 08:50:03 raspberrypi weewxd[5905]: weewx.WeeWxIOError: rtl_433 > process > >is not running > >Feb 14 08:50:03 raspberrypi weewxd[5905]: During handling of the above > >exception, another exception occurred: > >Feb 14 08:50:03 raspberrypi weewxd[5905]: Traceback (most recent call > last): > >Feb 14 08:50:03 raspberrypi weewxd[5905]: File > "/usr/share/weewx/weewxd.py", > >line 265, in <module> > >Feb 14 08:50:03 raspberrypi weewxd[5905]: main() > >Feb 14 08:50:03 raspberrypi weewxd[5905]: File > "/usr/share/weewx/weewxd.py", > >line 193, in main > >Feb 14 08:50:03 raspberrypi weewxd[5905]: time.sleep(wait_time) > >Feb 14 08:50:03 raspberrypi weewxd[5905]: File > "/usr/share/weewx/weewxd.py", > >line 260, in sigTERMhandler > >Feb 14 08:50:03 raspberrypi weewxd[5905]: raise Terminate > >Feb 14 08:50:03 raspberrypi weewxd[5905]: __main__.Terminate > >Feb 14 08:50:04 raspberrypi systemd[1]: weewx.service: Main process > exited, > >code=exited, status=1/FAILURE > >Feb 14 08:50:04 raspberrypi systemd[1]: weewx.service: Failed with result > >'exit-code'. > >Feb 14 08:50:04 raspberrypi systemd[1]: Stopped WeeWX. > > > > > >When I start weewx again with "sudo weewxd", ps aux|grep weewxd gives: > > > >pi@raspberrypi:~ $ ps aux|grep weewxd > >root 8308 0.3 0.2 13112 4268 pts/1 S+ 09:02 0:00 sudo > weewxd > >root 8309 3.4 0.9 46004 18724 pts/1 Sl+ 09:02 0:00 python3 > /usr/ > >share/weewx/weewxd.py > >pi 8347 0.0 0.0 7460 560 pts/3 S+ 09:03 0:00 grep > --color= > >auto weewxd > > > >Here, I am stuck... > > When you run weewx directly with sudo, the password is cached and taken > from the underlying driver to access the device. If the systemd-unit > runs the daemon that password is never entered and it would ask the > systemd-unit to enter it, but you can't cause its not running on your > terminal. Therefore we need to add the running user (weewx) to the right > group so it can access the RTL-SDR device without root privilieges > (sudo). > > Hope that makes some sense :D > > -dominic > > > > >Pierre-Yves > > > >Le mardi 13 février 2024 à 23:49:36 UTC+1, vince a écrit : > > > > You want to look for 'rtl' or 'sdr' and adding the weewx user to the > > appropriate group that has permissions to access the hardware. > > > > https://groups.google.com/g/weewx-user/c/7CIRRoo6Qdk/m/8dwn6EBiAQAJ is > one > > link. Note that 'plugdev' is correct for that example. We cannot > predict > > what 'your' system will require. > > > > On Tuesday, February 13, 2024 at 1:49:27 PM UTC-8 Pierre-Yves wrote: > > > > I haven't found any thread related to the creation of weewx user and > > group... > > PY > > > > Le mardi 13 février 2024 à 22:14:40 UTC+1, Pierre-Yves a écrit : > > > > Thanks Vince. > > I'll try to find the way to do that > > > > Le mardi 13 février 2024 à 22:05:10 UTC+1, vince a écrit : > > > > oops, I meant running as 'weewx' or 'pi' or 'something > > else'.... > > > > The reason I'm asking is that your systemctl log shows a sudo > > error that means that the account you are trying to use sudo > > under is not permitted to do so. The default dpkg installation > > creates a weewx user and group but does not create a /etc/ > > sudoers.d file for that user. So the weewx user is not going > > to be able to sudo if you specify that. > > > > But....you should be able to add the weewx user to the correct > > group(s) that can access your hardware. I think there are > > other threads related to how to do that. > > > > On Tuesday, February 13, 2024 at 12:57:21 PM UTC-8 vince wrote: > > > > On Tuesday, February 13, 2024 at 12:31:54 PM UTC-8 > > Pierre-Yves wrote: > > > > Weewx and webserver are perfectly working in simulator > > mode with "sudo systemctl start weewx" command > > > > > > Good. That means your problem appears to be related to > > getting weewx as a non-privileged user to access your > > RTL-STR hardware. > > > > When running weewx using the Simulator does "ps aux|grep > > weewxd" show it running as weewxd ? Or pi ? Or something > > else ? > > > > > > > >-- > >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+...@googlegroups.com. > >To view this discussion on the web visit > https://groups.google.com/d/msgid/ > >weewx-user/cea6b4c6-5b5f-49f8-b6fc-fa7e317c36ddn%40googlegroups.com. > > > -- > The intelligence consists not only in the knowledge > but also in the skill to apply the knowledge into practice. > - Aristotle > -- 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/26ba7cc8-4865-4f51-9021-1ab04b2581e2n%40googlegroups.com.
