Fix all Grafana graphs with no data

Visualization, Metrics & Reporting
1

Hello, i installed grafana according to this site and all hosts and services have no data
GitHub - chrisss404/icinga2-influxdb-grafana: Setup guide for Icinga2 with Grafana integration employing InfluxDB.

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i don’t know where to start fixing the error can anyone give me a hint, thanks

2

You need to select hostname, service etc.

3

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I have some master node services, or do I have to add client nodes to get the graph