/Shell/Bash/How to restore a non booting grub bootloader

How to restore a non booting grub bootloader

# This method requires you to boot into your Linux install first.

# On BIOS systems (sdX is the device where grub is installed)
grub-mkconfig -o /boot/grub/grub.cfg
grub-install --target=i386-pc /dev/sdX

# On EFI/UEFI systems (the bootloader id can but adjusted to suit your distro)
grub-mkconfig -o /boot/grub/grub.cfg
grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=EndeavourOS-grub

Source: discovery.endeavouros.com

How to restore a non booting grub bootloader

# This method requires you to boot from a Linux live USB.
# (sdXY is your boot partition)

fdisk -l
sudo mount /mnt /dev/sdXY
mount -t proc none /mnt/proc
mount -o bind /dev /mnt/dev
mount -t sysfs sys /mnt/sys
sudo chroot /mnt /bin/bash
update-grub
/usr/sbin/grub-install --recheck --no-floppy /dev/sda
sync &amp; reboot

Source: zeldor.biz

Similar codes

1 vote292 views1 answer
Git tag of current branch
Shell/Bash
0 vote289 views1 answer
Fix mp3 file
Shell/Bash
0 vote318 views1 answer
Install whitenoise
Shell/Bash
-2 votes271 views2 answers
Symfony install website skeleton
Shell/Bash
1 vote284 views1 answer
Restart pulseaudio ubuntu
Shell/Bash
3 votes284 views2 answers
How to restart network manager in kali
Shell/Bash
0 vote254 views1 answer
Linux shutdown no password
Shell/Bash
8 votes285 views3 answers
Bash cheat sheet
Shell/Bash
17 votes302 views4 answers
Remove all volume docker
Shell/Bash
27 votes301 views4 answers
How to add new origin in git
Shell/Bash