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How do I gracefully shutdown my server when ac power is off when UPS doesn't send shutdown signal (mander.xyz)
submitted 1 year ago by to c/techsupport@sopuli.xyz
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Edit: I'll probably use the wifi connection as an indication of power outage:)

I got a UPS that apparenlty doesnt send a shutdown signal when power goes off from the mains. What could I do to let the server know ac power is off and gracefully shut down?

My ups: Powertech ​UPS 1150VA​ Line Inte​ractive PT​-1150LI https://www.skroutz.gr/s/23613693/Powertech-UPS-Line-Interactive-1150VA-690W-me-2-Schuko-Prizes.html

I'm thinking of somehow having a device sending an "on" signal when connected to the mains that when it is interrupted (like, gone for X amount of time) the server shuts down. Then also set my server to attempt to boot up automatically every half an hour.

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[–] 2 points 1 year ago

I am in the process of figuring out the same thing. I grabbed a bluetti elite 100 v2 that only does comms with its own app. I may have my system auto shutdown when the other ups I have shuts off or run a second smaller ups coming out of the main power bank.

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