For Info - I2C & SDR Permissions for Ver 5.1

[Can Cunia]

I expect that this may be documented somewhere else, if so please can someone post a link for others who may be looking?

I've recently made the move from ver 4.x to 5.1 and like a few others on here hit problems with permissions. I use a Bresser station via SDR & a BME280 for internal measurements.

In the end I only needed to make 2 changes:

SDR 

sudo usermod -aG plugdev weewx

I2C

sudo usermod -aG i2c weewx

A suggestion for the user guide - monitoring section

journalctl --follow -u weewx