TL;DR InfluxDB Tech Tips – Visualizing Uptime with Flux deadman() Function in InfluxDB Dashboards

The article discusses how to use the Flux deadman() function in InfluxDB Dashboards for visualizing uptime. It explains that the deadman function keeps the most recent row for each group (host), adding a dead column that is set to false if the most recent record happened after the time period to check for the deadman, or true if it happened before this time period, indicating a deadman. The article then provides a step-by-step guide on how to write a Flux query to use in a dashboard cell and includes an example of the complete query. It concludes by encouraging readers to ask questions or share their thoughts in the comments section.