How do I install GRUB on my hard drive?

How do I install GRUB on my hard drive?

Install GRUB

1. Mount the virtual filesystems of the GParted live CD:
2. Make the GRUB utilites of the GParted live CD available to the root partition: mount –bind /usr/ /mnt/newRoot/usr.
3. Mount the boot partition onto the root partition since GRUB will store its configuration in /boot : mount /dev/sdb1 /mnt/newRoot/boot.

How do I install grub from scratch?

Installing GRUB2 on a BIOS system

1. Create a configuration file for GRUB2. # grub2-mkconfig -o /boot/grub2/grub.cfg.
2. List block devices available on the system. $ lsblk.
3. Identify the primary hard disk.
4. Install GRUB2 in the MBR of the primary hard disk.
5. Reboot your computer to boot with the newly installed bootloader.

How to install boot-grub on an external drive?

If booted into Ubuntu you can directly install grub to MBR of external drive directly. Or you can use Boot-Repair’s advanced options and choose install and drive to install boot loader. reinstall from working (not liveCD/DVD/USB) system – first find Ubuntu drive (example is drive sdb but use your drive not partitions):

Is it possible to install Grub on multiple drives?

Do not run auto fix with Boot-Repair, as that installs grub everywhere. Or use Windows repair disk and run the Windows fixes (fixMBR) to restore Windows boot loader to MBR. If booted into Ubuntu you can directly install grub to MBR of external drive directly.

How is GRUB installed on the master boot record?

The installation of grub has 2 parts: the resource files, and the boot loader. [Concerning non UEFI boot] Each OS installation has its own resource files [located in the same partition than the OS you have installed), but the boot loader is always installed on the master boot record.

How to make Ubuntu automatically boot when inserting an external hard drive?

To make Ubuntu automatically boot when you insert the external and Windows to automatically boot when the external is not inserted you would have to create a custom boot entry for Ubuntu to point to the efi on the external drive: From Windows EasyUEFI can add or remove boot entries. From Linux efibootmgr can add or remove boot entries.