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add turn-off-imac-startup-sound-in-linux.gmi

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postscriptum 2025-10-22 07:07:14 +03:00
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public/en/index.gmi
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### Software ### Software
=> turn-off-imac-startup-sound-in-linux.gmi 2025-10-22 Turn off iMac startup sound in Linux
=> connect-libera-chat-with-yggdrasil.gmi 2025-06-26 Connect Libera.​Chat with Yggdrasil => connect-libera-chat-with-yggdrasil.gmi 2025-06-26 Connect Libera.​Chat with Yggdrasil
=> connect-i2p-with-yggdrasil.gmi 2025-06-21 Connect I2P with Yggdrasil => connect-i2p-with-yggdrasil.gmi 2025-06-21 Connect I2P with Yggdrasil
=> mycelium-bittorrent-trackers.gmi 2025-06-21 Mycelium torrent trackers => mycelium-bittorrent-trackers.gmi 2025-06-21 Mycelium torrent trackers

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public/en/turn-off-imac-startup-sound-in-linux.gmi Normal file
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# Turn off iMac startup sound in Linux
``` bash
sudo su
sudo chattr -i /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82
sudo printf "\x07\x00\x00\x00\x00" > /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82
sudo chattr +i /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82
exit
```
* it still sounds, but quietly :)
=> https://gist.github.com/0xbb/ae298e2798e1c06d0753 Source