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Emoncms is a webapp for real time data monitoring

It uses :

  • a self crafted binary timeserie called phpfina and mariadb to store metadatas.
  • the eclipse mosquitto broker
  • redis as a data buffer when writing to disk on timeseries
  • three main workers to achieve background operations : emoncms_mqtt, service-runner and feedwriter
  • the sync_upload service to automatically upload feeds from an emoncms instance to another one and keep then synchronised

For more information, see https://github.com/emoncms/emoncms

ingress

The addon runs in ingress mode but you can also expose port(s)

customize apache configuration and manage security headers

Activate the CUSTOM_APACHE_CONF option. It will enable the TLS (Transport Layer Security) protocol.

Open /config/security.conf with the File Editor addon and adapt the apache configuration to your needs.

post data to the mqtt broker

Supposing the IP of your Home Assistant running the emoncms add-on to be 192.168.1.53, you can post datas from your local network :

mosquitto_pub -h 192.168.1.53 -p 9883 -u "emonpi" -P "emonpimqtt2016" -t 'emon/test/t3' -m 43.67

If you dont have mosquitto_pub installed and have a machine on your local network running debian/ubuntu : sudo apt-get install mosquitto-clients

You can change the mosquitto username and password in the add-on configuration

what's inside the emoncms add-on ?

Servers :

  • apache server
  • mosquitto eclipse broker

Databases :

  • mariadb
  • redis

Languages :

  • php 8
  • python

Extensions :