Turn off Macbook startup sound - Linux
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| #!/bin/bash | |
| printf "\x07\x00\x00\x00\x00" > /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82 |
If someone else finds this Gist: You need to remove the immutable flag before writing.
chattr -i /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82
I've been looking all over the web, all day, for a solution to this--> jradmacher you're a genius. Thank you thank you!
Genius, thank you!
Doesn't seems to work on the 2010 mbp,
dietpi@srv0:~$ chattr -i /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82
chattr: Aucun fichier ou dossier de ce type while trying to stat /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82
(file not found) (I tried with sudo too)
dietpi@srv0:~$ sudo printf "\x07\x00\x00\x00\x00" > /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82
-bash: /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82: Permission non accordée
(no permissions)
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Hey, this doesn't work, since not even root has the permission to change these :/
Could you lend your help here?