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grub default windows ubuntu

Last updated at Posted at 2022-12-02

エントリ確認

grep windows /boot/grub/grub.cfg
menuentry 'Windows Boot Manager (on /dev/nvme0n1p2)' --class windows --class os $menuentry_id_option 'osprober-efi-9234-7609' {

GRUB_DEFAULTを変更

sudo nano /etc/default/grub
#GRUB_DEFAULT=0
GRUB_DEFAULT='Windows Boot Manager (on /dev/nvme0n1p2)'

GRUB_DEFAULT=2だと動かなかった

以前の選択を覚えてもよい
GRUB_DEFAULT=saved
GRUB_SAVEDEFAULT=true

反映

sudo update-grub
reboot

// TODO: ワンライナーの方法を考える

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