GRand Unified Bootloader
Tips and config examples.
Recue shell
#Inspect the current prefix (and other preset variables): set # Set to the correct value, which might be something like this: set prefix=(hd0,1)/grub set root=(hd0,1) insmod normal normal
Config
# enable serial console GRUB_CMDLINE_LINUX_DEFAULT="console=ttyS0,9600n8 console=tty0 quiet"