IBM 79856au User Guide - Page 92

Linux, configuration

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v Remote Console Text Emulation: ANSI v Remote Console Keyboard Emulation: ANSI v Remote Console Active After Boot: Enabled v Remote Console Flow Control: Hardware d. Press Esc twice to exit the Remote Console Redirection and Devices and I/O Ports sections of the Configuration/Setup Utility program. e. Select Advanced Setup; then, select Baseboard Management Controller (BMC) Settings. f. Set BMC Serial Port Access Mode to Dedicated. g. Press Esc twice to exit the Baseboard Management Controller (BMC) Settings and Advanced Setup sections of the Configuration/Setup Utility program. h. Select Save Settings; then, press Enter. i. Press Enter to confirm. j. Select Exit Setup; then, press Enter. k. Make sure that Yes, exit the Setup Utility is selected; then, press Enter. Linux configuration For SOL operation on the server, you must configure the Linux® operating system to expose the Linux initialization (booting) process. This enables users to log in to the Linux console through an SOL session and directs Linux output to the serial console. See the documentation for your specific Linux operating-system type for information and instructions. Use one of the following procedures to enable SOL sessions for your Linux operating system. You must be logged in as a root user to perform these procedures. Red Hat Enterprise Linux ES 4 configuration: Note: This procedure is based on a default installation of Red Hat Enterprise Linux ES 4. The file names, structures, and commands might be different for other versions of Red Hat 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 serial connection. You must enable it when you are using a Linux operating system. 1. Add the following line to the end of the # Run gettys in standard runlevels 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 2. Add the following line at the bottom of the /etc/securetty file to enable a user to log in as the root user through the SOL console: ttyS0 LILO configuration: If you are using LILO, complete the following steps: 1. Modify the /etc/lilo.conf file: a. Add the following text to the end of the first default=linux line -Monitor 78 System x3655 Type 7985: User's Guide

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v
Remote
Console
Text
Emulation
:
ANSI
v
Remote
Console
Keyboard
Emulation
:
ANSI
v
Remote
Console
Active
After
Boot
:
Enabled
v
Remote
Console
Flow
Control
:
Hardware
d.
Press
Esc
twice
to
exit
the
Remote
Console
Redirection
and
Devices
and
I/O
Ports
sections
of
the
Configuration/Setup
Utility
program.
e.
Select
Advanced
Setup
;
then,
select
Baseboard
Management
Controller
(BMC)
Settings
.
f.
Set
BMC
Serial
Port
Access
Mode
to
Dedicated
.
g.
Press
Esc
twice
to
exit
the
Baseboard
Management
Controller
(BMC)
Settings
and
Advanced
Setup
sections
of
the
Configuration/Setup
Utility
program.
h.
Select
Save
Settings
;
then,
press
Enter.
i.
Press
Enter
to
confirm.
j.
Select
Exit
Setup
;
then,
press
Enter.
k.
Make
sure
that
Yes,
exit
the
Setup
Utility
is
selected;
then,
press
Enter.
Linux
configuration
For
SOL
operation
on
the
server,
you
must
configure
the
Linux
®
operating
system
to
expose
the
Linux
initialization
(booting)
process.
This
enables
users
to
log
in
to
the
Linux
console
through
an
SOL
session
and
directs
Linux
output
to
the
serial
console.
See
the
documentation
for
your
specific
Linux
operating-system
type
for
information
and
instructions.
Use
one
of
the
following
procedures
to
enable
SOL
sessions
for
your
Linux
operating
system.
You
must
be
logged
in
as
a
root
user
to
perform
these
procedures.
Red
Hat
Enterprise
Linux
ES
4
configuration:
Note:
This
procedure
is
based
on
a
default
installation
of
Red
Hat
Enterprise
Linux
ES
4.
The
file
names,
structures,
and
commands
might
be
different
for
other
versions
of
Red
Hat
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
serial
connection.
You
must
enable
it
when
you
are
using
a
Linux
operating
system.
1.
Add
the
following
line
to
the
end
of
the
#
Run
gettys
in
standard
runlevels
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
2.
Add
the
following
line
at
the
bottom
of
the
/etc/securetty
file
to
enable
a
user
to
log
in
as
the
root
user
through
the
SOL
console:
ttyS0
LILO
configuration:
If
you
are
using
LILO,
complete
the
following
steps:
1.
Modify
the
/etc/lilo.conf
file:
a.
Add
the
following
text
to
the
end
of
the
first
default=linux
line
-Monitor
78
System
x3655
Type
7985:
User’s
Guide