Booting Linux from Serial Console - Without VGA

Perform the following steps and reboot the machine :

STEP 1 :

$ vi /boot/grub/grub.conf

serial --unit=0 --speed=9600
terminal --timeout=10 serial console

console=tty0 console=ttyS0,9600


here is a sample how your file should look like -

--------------------------------------Sample-------------------------------------------
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
# initrd /initrd-version.img
#boot=/dev/sda
default=0
timeout=5
serial --unit=0 --speed=9600
terminal --timeout=5 serial console
title Fedora (2.6.25-14.fc9.i686)
root (hd0,0)
kernel /vmlinuz-2.6.25-14.fc9.i686 ro root=UUID=b1f4e87a-85cf-491d-9f96-a9409864680e console=tty0 console=ttyS0,9600
initrd /initrd-2.6.25-14.fc9.i686.img
-----------------------------------------------------------------------------------------------
STEP 2 :

$ vi /etc/inittab

s0:2345:respawn:/sbin/agetty ttyS0 115200,9600 linux


after rebooting the machine - it should come up on serial console and not on VGA

Note: make sure that your BIOS is set on the same settings..