Liunx Serial Console Setup

Step 1: Check you system's serial support.
#demesg |grep tty
ttyS0 at 0x03f8 (irq=4) is a 16550A
Step 2: Configure you inittab to support serail console logins
/etc/inittab additions :
s0:2345:respawn:/sbin/agetty -L -f /etc/issueserial 9600 ttyS0 vt100
create /etc/issueserail
Welcome to TEST Server - Kernel \r (\l).
Connected on \l at \b bps
\U
You must activate the change that you made in /etc/inittab.
#init q
#ps -ef |grep agetty
Test serial port login ,Linux running Minicom,Windows running HyperTerminal.
Setup 3: Configure serial port as THE system-console
Modifying /boot/grub/menu.list
kernel /vmlinuz-2.6.9-34.0.1 ro root=LABEL=/ console=ttyS0,9600
warning!: Redhat chkconfig kudzu off.