IBM 8874 Installation Guide - Page 52
Configuring, Enterprise, Linux
UPC - 000435813008
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Configuring Red Hat Enterprise Linux ES 2.1: 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. To configure the general Linux parameters for SOL operation when using the Red Hat Enterprise Linux ES 2.1 operating system, complete the following steps. Note: Hardware flow control prevents character loss during communication over a serial connection. You must enable it when 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: ttyS1 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 b. Comment out the map=/boot/map line by adding a # at the beginning of the line. c. Comment out the message=/boot/message line by adding a # at the beginning of the 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. 40 IBM xSeries 460 Type 8872 and xSeries MXE 460 Type 8874: Installation Guide ERserver