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Arch Linux で GRUB の待機時間を変更する

Posted at

はじめに

ブート時にOSの選択画面が表示されるが,何も選択しない場合にデフォルトのOSが選択されるまでの時間を変更する.

手順

1. 待機時間を変更

/etc/default/grub の中の GRUB_TIMEOUT の値(秒)を変更する.

2. GRUB の設定を更新する

Arch Wiki によると,grub-mkconfig を実行して
/boot/grub/grub.cfg を更新もしくは生成する.

# grub-mkconfig -o /boot/grub/grub.cfg

以上で次のブート時から GRUB_TIMEOUT で設定した値(秒)だけ待つようになる.

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