Do you mean presence of wall power? That would be `upsc` momentarily asking
for `ups.status`. For its quality - `input.voltage` etc. assuming your UPS
reports it.
For history - some monitoring tool (MRTG etc.) doing the same continuously.
Maybe `upslog` would do.
Jim
On Mon, Dec 19, 2022, 23:49 Dark Corner via Nut-upsuser <
nut-upsuser at alioth-lists.debian.net> wrote:
> Is there a tools that gives me a history of the power in the wall?
> If not, how can I get the values of the power in the wall with an online
> command?
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