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zearp/macbook-mute.sh

Forked from 0xbb/macbook-mute.sh
Created February 24, 2023 09:03
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Turn off Macbook startup sound - Linux
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macbook-mute.sh
#!/bin/bash
#
chattr -i /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82
printf "\x07\x00\x00\x00\x00" > /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82
chattr +i /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82
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