# 10. Create an Alarm ## Prerequisites ### Enable automatic alerting Navigate to **Administrator** → **Tenants**, and select the Tenant you created from the list. Select the **Alerting** tab, click **Enable Alerting**, and click **Update** to save the alert configuration. ## Create an Alert Navigate to **Observability** → **Alerts**, and click **Add**. The **Create Alert** pane displays. Complete the fields with the following values: * **Resource Type**: `EC2` * **Resource**: \[*select a previously created* [*EC2 instance*](https://docs.duplocloud.com/docs/workshops/duplocloud-101-for-aws/create-your-infrastructure-and-application/4.-create-an-eks-worker-node)] {% hint style="info" %} In the example below, the Friendly Name in the **Resource** field is `host02`. {% endhint %} Click **Next** to proceed with defining metrics data.

The Create Alert pane

Click **Next**, and define the metrics data: * **Metric Name**: `CPUUtilization` * **Statistic**: `Average` * **Operator**: `>=` * **Threshold**: `75` * **Period**: `5 Minutes` * **Severity**: `Critical` Click **Create**.

The Create Alert page for Metrics data

## Set the Alarm with a Third-Party Integration Navigate to **Observability** → **Faults** → **Update Notifications Config**. The **Set Alert Notifications** **Config** pane displays. If instructed, enter additional data and click **Update** to set the alarm.

The Set Alert Notifications Config pane