= Enabling Serial Console in GRUB2
[[enabling-serial-console-grub]]

To enable Serial console in grub: 

.Procedure

. Edit the `/etc/default/grub` file.

. Adjust `baudrate`, `parity`, `bits`, and `flow` controls to fit your environment and cables, see the example.
+
----
GRUB_CMDLINE_LINUX='console=tty0 console=ttyS0,115200n8'
GRUB_TERMINAL=serial
GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"
----

. Regenerate the *GRUB2* configuration file and reinstall the bootloader into the MBR, as described in xref:adding-other-operating-systems-grub2[Adding other operating systems to the *GRUB2* menu].