Monitoring

Telegraf 

Telegraf + Grafana

• TheMickeyMike/raspberrypi-temperature-telegraf: Collect RaspberryPi CPU and GPU temperature with telegraf (github.com)
• Raspberry Pi Monitoring | Grafana Labs
• System monitoring | Nelis Oostens

Telegraf + InfluxDB

• Monitoring Your Raspberry Pi System using InfluxDB Telegraf | Random Nerd Tutorials