cd /opt/openenergymonitor/EmonScripts/update
./emonhub.sh
Which interfacer are you using?
wait, trying now to remove / reinstall pythoon3
well, problem fixed
I removed pythoon3, then during reinstall I had a strange unexpected end of file or stream.
I had to delete the cab and reinstall it. the second time worked
then emonhub started for a few seconds then crashed again, not sure why.
I then ran the emonhub.sh update script, did nothing but then when I started emonhub from the command line it worked.
And now it works also as a service, so all fine it seems
I think my microsd car might be starting to give up…
what is a “interfacer”?
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Defined inside emonhub.conf - it is the ‘interface’ emonhub is talking to.
Does sound like a slightly iffy card. Take a backup of your data!
yes, I made a script that backups daily everything. I shared it here too 
interfacers are RFM2Pi and MQTT
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Ok, nothing special.
ok, so the final solution was:
remove mosquitto, reinstall mosquitto
remove pyhtoon3, reinstall pythoon3
cd /opt/openenergymonitor/EmonScripts/update
./emonhub.sh
Just so that I can mark one single post as the solution
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FWIW, an emonBase runs on a Raspbery Pi too, but it’s definitely not the same as an emonPi
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I guess emonBase it is then 
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I knew that as it was reporting as an RPi 4. 
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