2021-06-16 Raspberry pi monitoring the smart meter is now reinstalled
Because the installation of zigbee2mqtt was not possible on the Raspberry pi in the utility closet I decided to do a reinstallation with Raspbian buster. According to some on-line opinions reinstalling is better than a distro upgrade on a microsd card. I was lucky to have a spare MicroSD card and a spare Raspberry Pi available. I did the whole installation on the spare and made sure to set up everything already so things would start running. And the thing that I missed was fixed easily with the old configuration still available. The Raspberry Pi in the utility closet was only running the smart meter monitoring, but now it is upgraded it can do more things, and running zigbee2mqtt for checking on wireless sensors in the house is next.