promtool query instant
promtool query instant <server> '<PromQL>'
Risk: Safe
What it does
Runs one PromQL query against a server and prints one line per series.
When to use it
To try a query in the terminal, without the web page.
Example
$ docker compose exec prometheus promtool query instant http://localhost:9090 'up'Each target, with 1 for up and 0 for down.
Learn it in: Add them up: sum by · Official docs