In case anyone else runs into this - my Ubuntu server/Davis VP2 and serial datalogger had ownership set to root:dialout, so I had to add the weewx user to the dialout group for things to work.
On Tuesday, February 6, 2024 at 6:23:15 AM UTC-9 matthew wall wrote: > when you install rtl-sdr, it typically, but not always, installs udev > rules for *many* sdr devices. the udev rules that it installs make it > possible for anyone in the 'plugdev' group to read/write to the sdr > device. (this is true when you install rtl-sdr from source - if you > install rtl-sdr from a deb/rpm package, it might be different - anyone with > this configuration please let us know) > > weewx v4 runs as root:root, so it has access to the sdr device no matter > what the udev rules might be > > weewx v5 runs as weewx:weewx (for a deb/rpm install) or as a regular > non-root user (for pip installs). so udev rules are required. > > btw, weewx 5.0.1 *always* converts to weewx:weewx, whereas 5.0.0 did not > (it would continue to run as root - we changed in 5.0.1 because overall > security and best practice) > > the udev rules installed by rtl-sdr will not help for a deb/rpm install, > since the user 'weewx' is not in the plugdev group. you can either added > the user weewx to the plugdev group, or modify the udev rules to use > 'weewx' instead of 'plugdev' as the group. this is how to do the former: > > sudo usermod -aG plugdev weewx > > for a pip install, be sure that the user running weewx is in the 'plugdev' > group. > > restart of the weewxd daemon is almost certainly required so that the > daemon process has the right group. reboot is not necessary. > > m > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/92fc5b8c-08e3-490c-94fa-73ae14e7661an%40googlegroups.com.
