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Update monitor-multiple-instances.md

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Ishan Jain 2023-03-27 10:59:55 +05:30 committed by GitHub
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examples/monitor-multiple-instances.md
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@ -123,15 +123,13 @@ To use the Grafana Agent Ansible role:
url: "{{ prometheus_url }}"
```
The playbook calls the `grafana_agent` role from the `grafana.grafana` Ansible collection.
The playbook calls the `grafana_agent` role from the `grafana.grafana` Ansible collection.
The Agent configuration in this playbook send metrics and logs from the linux hosts to your prometheus and Loki data sources.
Refer to the [Grafana Ansible documentation](https://github.com/grafana/grafana-ansible-collection/tree/main/roles/grafana_agent#role-variables) to understand the other variables you can pass to the `grafana_agent` role.
When deploying the Agent across multiple instances for monitoring them, It is essential that the Agent is able to auto-detect the hostname for ease in monitoring.
Notice that the label `instance` has been set to the value `${HOSTNAME:-default}`, which is substituted by the value of the HOSTNAME environment variable in the Linux host.
To read more about the variable substitution, refer to the Grafana Agent [node_exporter_config](https://grafana.com/docs/agent/latest/configuration/integrations/node-exporter-config/) documentation.
1. To run the playbook, run this command: