2021-04-20 21:13:14 +00:00
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# grub_shell
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2020-11-26 17:38:25 +00:00
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2021-04-20 21:13:14 +00:00
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## booter depuis le shell grub
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2020-11-26 17:38:25 +00:00
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- les commande **cat** et **ls** fonctionne
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2021-04-20 21:13:14 +00:00
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- trouver partition de boot
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- mettre la partion en racine `set root=(hd0,1)`
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- charger le kernel ce trouvant sur cette partition et setter la partition racine: `linux /vmlinuz root=/dev/sda3`
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- charger le fichier image correspondant au kernel :`initrd /boot/initrd.img`
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- enter `boot` to boot
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2020-11-26 17:38:25 +00:00
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## regénérer config
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2021-04-20 21:13:14 +00:00
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2020-11-26 17:38:25 +00:00
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`grub-mkconfig -o /boot/grub/grub.cfg`
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## install sur MBR
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2021-04-20 21:13:14 +00:00
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2020-11-26 17:38:25 +00:00
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`grub-install --target=i386-pc /dev/sdX`
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2021-04-20 21:13:14 +00:00
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2020-11-26 17:38:25 +00:00
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## meme chose depuis grub rescue
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`grub rescue> set prefix=(hd0,1)/boot/grub
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grub rescue> set root=(hd0,1)
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grub rescue> insmod normal
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grub rescue> normal
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grub rescue> insmod linux
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grub rescue> linux /boot/vmlinuz-3.13.0-29-generic root=/dev/sda1
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grub rescue> initrd /boot/initrd.img-3.13.0-29-generic
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grub rescue> boot`
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[archwiki](https://wiki.archlinux.org/index.php/GRUB)
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