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A comment on Making a Linux home server sleep on idle and wake on demand – the simple way. Parent comment

Re:Making a Linux home server sleep on idle and wake on dema... by rendaw on Wednesday April 19, 2023 @11:59AM (#35629813)
You could have an Arduino to wake the Pi.
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Re:Making a Linux home server sleep on idle and wake on dema... by TheHippo on Wednesday April 19, 2023 @01:00PM (#35630539)
You can't sleep a Pi.
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Re:Making a Linux home server sleep on idle and wake on dema... by fuzzy2 on Wednesday April 19, 2023 @03:26PM (#35632239)
But then, why not just use an ESP32 which can replace the Pi entirely in the proposed setup. ;-)

I would have an ESP32 impersonate the MAC address of the server passively (ie. only in the Wi-Fi association), then “push the wake button” if it found traffic that is allowed to wake the server. A wake-up firewall, if you will.

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Re:Making a Linux home server sleep on idle and wake on dema... by scottyah on Wednesday April 19, 2023 @05:56PM (#35633809)
Or a "smart plug"
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