Telegraf is a data collection and aggregation agent that needs to be installed on target server. Let's say you would like to gather metric data for example cpu usage or memory usage for Server A, install Telegraf on server A. All these day will be sent to a central influxdb datastorem, lets call our influxdb ServerDatastore. Grafana and influxdb can live on the same or separate server. In this setup, we are going to setup telegraf to monitor docker application and send all the metric of interest to ServerDataStore. Installing telegraf on target server curl ttps://dl.influxdata.com/telegraf/releases/telegraf_1.13.2-1_amd64.deb --output telegraf.deb Placing telegraf executable in a specific folder. After extracting our telegraf.deb, you can move the binary to /usr/local/bin folder and configuration file to /user/local/etc/telegraf/telegraf.conf Next we need to specify what metrics we would like telegraf to send over. Example b...