ubuntu重新安裝grub Posted on 2024-07-14 ubuntu重新安裝grub启动系统并挂载设备1234567sudo fdisk -l sudo mount /dev/sdan /mntsudo mount --bind /dev /mnt/devsudo mount --bind /dev/pts /mnt/dev/ptssudo mount --bind /proc /mnt/procsudo mount --bind /sys /mnt/syssudo chroot /mnt 安装grub1234grub-install /dev/sdaupdate-grubupdate-initramfs -u -k allexit 卸载设备重启123456sudo umount /dev/ptssudo umount /devsudo umount /procsudo umount /syssudo umount /dev/sdansudo reboot