Installing the GRUB bootloader

Step 10: Installing the GRUB bootloader.

GRUB is the GRand Unified Bootloader and is the program that will boot your computer into Linux (and Windows if you have a dual-boot system).

The first question is if we want to install GRUB in the Master Boot Record (MBR) and the answer is Yes.

Figure: Install GRUB in the MBR
Install GRUB in the MBR

For most systems the target drive will be /dev/sda

Figure: Install GRUB in the MBR of disk /dev/sda
Install GRUB in the MBR of disk /dev/sda

GRUB will be installed

Figure: GRUB being installed on /dev/sda
GRUB being installed on /dev/sda

After this the installation will be finished.

Figure: Finishing the installation of GRUB.
Finishing the installation of GRUB.

Done! You should now have a working installation of Debian GNU/Linux. Remove the USB pen drive and click continue to reboot the computer.

Figure: The installation is finished.
The installation is finished.

After rebooting the system will present the GRUB boot menu.

Figure: GRUB Boot Menu.
GRUB Boot Menu.

When asked enter the encryption passphrase you have configured during the installation and the system will continue to boot.

Figure: Enter the passphrase.
Enter the passphrase.

Linux is ready for use.

Figure: Select a user and enter it's password.
Select a user and enter it's password.

Debian is completely started and ready for use..

Figure: Debian GNU/Linux 9.5 (Gnome 3)
Debian GNU/Linux 9.5 (Gnome 3)

Thanks to Patrick Kox from https://commandoregel.com