Well, I don't need python but I guess the simple installation (not built from source) is enabling it when python was installed. Any suggestion how to disable it? (have searched domoticz folders and also forum for answer )

I got it more than once in a new installation, latest version, not beta..
RPI 3 /raspbian
uname -a
Linux raspberrypi 4.9.59-v7+ #1047 SMP Sun Oct 29 12:19:23 GMT 2017 armv7l GNU/Linux


Domoticz
V3.8153

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I got a site using letsencrypt and when checking my certificate I get a warning from Chrome saying the authentication is using an obsolete key. According to this discussion it should be a configuration of the webserver. So where can I find it? I use the built in domoticz webserver on linux ubuntu ...

I run in to the same problem and ended up solving it by using json to update the wind speed value. When I used commandArray I got a 0, (zero comma) prior to the real data.
Here is what I used and so far I just set the windspeed. The actual data is read from file; vind-diff


pi@NewRpi3 ~/domoticz ...