adds 4 links to blogs (#56193)

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Christopher Moyer
2022-10-04 08:28:00 -05:00
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# Grafana dashboard best practices
This section provides information about best practices for intermediate Grafana administrators and users. Click on each of the links before for more information.
This section provides information about best practices for intermediate Grafana administrators and users about how to build and maintain Grafana dashboards.
For more information about the different kinds of dashboards you can create, refer to [Grafana dashboards: A complete guide to all the different types you can build](https://grafana.com/blog/2022/06/06/grafana-dashboards-a-complete-guide-to-all-the-different-types-you-can-build/?pg=webinar-getting-started-with-grafana-dashboard-design-amer&plcmt=related-content-1).
## Common observability strategies

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Any changes you make to a dashboard used in a report are reflected the next time the report is sent. For example, if you change the time range in the dashboard, then the time range in the report also changes.
For information about recent improvements to the reporting UI, refer to [Grafana reporting: How we improved the UX in Grafana](https://grafana.com/blog/2022/06/29/grafana-reporting-how-we-improved-the-ux-in-grafana/).
## Requirements
- SMTP must be configured for reports to be sent. Refer to [SMTP]({{< relref "../../setup-grafana/configure-grafana/#smtp" >}}) in [Configuration]({{< relref "../../setup-grafana/configure-grafana/" >}}) for more information.

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_Text box_ variables display a free text input field with an optional default value. This is the most flexible variable, because you can enter any value. Use this type of variable if you have metrics with high cardinality or if you want to update multiple panels in a dashboard at the same time.
For more information about cardinality, refer to [What are cardinality spikes and why do they matter?](https://grafana.com/blog/2022/02/15/what-are-cardinality-spikes-and-why-do-they-matter/)
1. [Enter general options](#enter-general-options).
1. (Optional) In the **Default value** field, select the default value for the variable. If you do not enter anything in this field, then Grafana displays an empty text box for users to type text into.
1. In **Preview of values**, Grafana displays a list of the current variable values. Review them to ensure they match what you expect.