howto/ubuntu-on-imac
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Florian Klemenz 2023-09-11 17:24:41 +00:00
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README.md
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@ -4,6 +4,7 @@ Setup instructions for Ubuntu on IMACs
## 2011 IMAC ## 2011 IMAC
### Disable startup chime ### Disable startup chime
https://wiki.archlinux.org/title/mac#Mute_startup_chime
The startup chime volume is controlled by the EFI variable SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82. So it can be muted with The startup chime volume is controlled by the EFI variable SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe41995c9f82. So it can be muted with
@ -20,6 +21,7 @@ chattr -i /sys/firmware/efi/efivars/SystemAudioVolume-7c436110-ab2a-4bbb-a880-fe
After that, run the printf command and it should overwrite the file properly. Verify the file's contents and then set the immutable bit again with chattr +i once satisfied. After that, run the printf command and it should overwrite the file properly. Verify the file's contents and then set the immutable bit again with chattr +i once satisfied.
### Fix screen brightness adjust ### Fix screen brightness adjust
https://askubuntu.com/a/1478635
Edit /etc/default/grub and modify the GRUB command line to include the following Edit /etc/default/grub and modify the GRUB command line to include the following
``` ```
@ -31,7 +33,8 @@ Rebuild GRUB menu afterwards
update-grub update-grub
``` ```
### Install mbp fan controll ### Install mbp fan control
https://askubuntu.com/a/1323838
``` ```
apt install mbpfan apt install mbpfan