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I got the answer. At this line: linux /vmlinuz-3.13.0-32-generic root=/dev/mapper/ubuntu-vg-root ro append single and it becomes to linux /vmlinuz-3.13.0-32-generic root=/dev/mapper/ubuntu-vg-root ro single Then press Ctrl + x. You will goes into single user mode. To make this permanent, you need to edit /etc/default/grub and change this line: ...


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The root directory is just what it says: your root directory, i.e /. If you are running grub-install while booted from some other medium and have your normal root directory mounted somewhere other than /, then you want to specify this argument to point it to your root directory.


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I'm not too much of an expert about GRUB, but as far as I know, the root directory for GRUB it's the directory where you can install a working GRUB when you have started your system in recovery mode: grub-install –-root-directory=/test/kernelimage /dev/sda Here the root directory contains an image of the Linux kernel to boot, and must also contain a ...


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The minimal required grub.cfg is the following : set timeout=1 set root='mduuid/ce16c757e4752e4fa9a2fd4935df1aef' menuentry 'Arch Linux' { linux /boot/vmlinuz-linux root=UUID=05dddf23-1d9f-417e-b3f8-2281a328dc0b rw initrd /boot/initramfs-linux.img } Yes, quite a bit different from the long stream of garbage that gets generated by grub-mkconfig, and as ...


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If you're trying to install a new operating system; elementaryOS's Grub shouldn't be showing up. You should be booting right to the GRUB/Bootloader/EFI Stub on the USB Device. You should insert the USB and run it from your BIOS/EFI Boot Menu. If its loading elementaryOS then your computer isn't seeing the boot record on the USB. If it loads the USB but ...


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When you read the grub2.spec file, you will notice that both files are almost identical, except the built-in grub prefix variable. in bug 1155274, Peter Jones said: They differ in what grub's $prefix variable is set to ("/EFI/centos" [or "/EFI/redhat"] on grubx64.efi vs "/EFI/BOOT" in gcdx64.efi, which is copied into the boot image as grubx64.efi), but ...


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I have been trying a dual boot with window 7 and centos 7 for 2 days and I did it. Just follow simple steps Install window 7 Then centos 7 When you restart the pc you will not see any boot option for windows 7 in grub. Boot into centos switch to su use command cfdisk Then check for flags where boot is written notify that partition Then open grub file in ...


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Add the following after your GRUB_GFXMODE line in /etc/default/grub: GRUB_GFXPAYLOAD_LINUX=keep



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