IBM Type 7977 manual Linux configuration, Red Hat Enterprise Linux ES 2.1 configuration

Models: Type 7977

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vRemote Console Active: Enabled

vRemote Console COM Port: COM 2

vRemote Console Baud Rate: 19200 or higher

vRemote Console Data Bits: 8

vRemote Console Parity: None

vRemote Console Stop Bits: 1

vRemote Console Text Emulation: ANSI

vRemote Console Keyboard Emulation: ANSI

vRemote Console Active After Boot: Enabled

vRemote 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 2.1 configuration:

Note: This procedure is based on a default installation of Red Hat Enterprise Linux ES 2.1. The file names, structures, and commands might be different for other versions of Red Hat Linux.

Complete the following steps to configure the general Linux parameters for SOL operation when you use the Red Hat Enterprise Linux ES 2.1 operating system.

Note: Hardware flow control prevents character loss during communication over a serial connection. You must enable it when you use 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:

44IBM System x3500 Type 7977: Installation Guide

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IBM Type 7977 manual Linux configuration, Red Hat Enterprise Linux ES 2.1 configuration