Created
March 14, 2025 23:51
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macbook-disable-chime-from-linux
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| #Gain sudo privileges with | |
| sudo -su | |
| #Remove immutable bit from the efi variable that controlls the Startup Sound / Chime to make it editable | |
| chattr -i /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82 | |
| # Set that efi-variable to 00 to disable the startup sound | |
| printf "\x07\x00\x00\x00\x00" > /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82 |
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