-Install default Debian release (stretch) on /dev/sda1 and install bootmanager
-Grub in MBR (master boot record) of /dev/sda and use /dev/sda1 as system partition.
+Install default Debian release (buster) on /dev/sda1 and install bootmanager
+GRUB in MBR (master boot record) of /dev/sda and use /dev/sda1 as system partition.
+
+ grml-debootstrap --release stretch --target /dev/sda1 --grub /dev/sda --hostname foobar --password changeme
+
+Install Debian release stretch on /dev/sda1 and install bootmanager
+GRUB in MBR (master boot record) of /dev/sda and use /dev/sda1 as system partition.
+Set hostname to 'foobar' and password for user root to 'changeme'.