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help request - broken grub

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laserm@lemmy.world
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linux@lemmy.ml
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Folks, I just fucked up. I have a void install and an old debian install. I resized the debian install, but I forgot I got grub installed there and now it’s unbootable - respectively, it displays the grub rescue shell. Is there a way to somehow get back into void and reinstall grub from there?

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lurch (he/him)@sh.itjust.works
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you can boot from a liveCD or USB, then mount the main OS, bind mount dev and proc, chroot into it and reconfigure/reinstall the boot loader

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lurch (he/him)@sh.itjust.works
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also, you should make backups and have a restore strategy that covers cases like this.

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RmDebArc_5@sh.itjust.works
8 points

You could create a live usb on another device and then use chroot

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