IBM x3550 - System - 7978 Installation Manual page 56

Red Hat Enterprise Linux ES 4 configuration:
Note: This procedure is based on a default installation of Red Hat Enterprise Linux
To configure the general Linux parameters for SOL operation when you are using
the Red Hat Enterprise Linux ES 4 operating system, complete the following steps.
Note: Hardware flow control prevents character loss during communication over a
1. Add the following line to the end of the # Run gettys in standard runlevels
2. Add the following line at the bottom of the /etc/securetty file to enable a user to
LILO configuration: If you are using LILO, complete the following steps:
1. Modify the /etc/lilo.conf file:
42
IBM System x3550 Type 7978: Installation Guide
ES 4. The file names, structures, and commands might be different for other
versions of Red Hat Linux.
serial connection. You must enable it when you are using a Linux operating
system.
section of the /etc/inittab file. This enables hardware flow control and enables
users to log in through the SOL console.
7:2345:respawn:/sbin/agetty -h ttyS0 19200 vt102
log in as the root user through the SOL console:
ttyS0
a. Add the following text to the end of the first default=linux line
-Monitor
b. Comment out the map=/boot/map line by adding a # at the beginning of this
line.
c. Comment out the message=/boot/message line by adding a # at the beginning
of this line.
d. Add the following line before the first image= line:
# This will allow you to only Monitor the OS boot via SOL
e. Add the following text to the end of the first label=linux line:
-Monitor
f. Add the following line to the first image= section. This enables SOL.
append="console=ttyS0,19200n8 console=tty1"
g. Add the following lines between the two image= sections:
# This will allow you to Interact with the OS boot via SOL
image=/boot/vmlinuz-2.4.9-e.12smp
label=linux-Interact
initrd=/boot/initrd-2.4.9-e.12smp.img
read-only
root=/dev/hda6
append="console=tty1 console=ttyS0,19200n8 "
The following examples show the original content of the /etc/lilo.conf file and the
content of this file after modification.