User manual

1
CHAPTER
1
Configuring the System Console
This chapter explains what the system console is, describes the different ways of
configuring it on your server, and helps you understand its relation to the system
controller.
Topics covered in this chapter include:
■ “Communicating With the System” on page 1
■ “Accessing the System Controller” on page 6
■ “Switching Between the System Controller Prompt and the System Console” on
page 15
■ “ALOM CMT and The sc> Prompt” on page 16
■ “OpenBoot ok Prompt” on page 18
■ “System Console OpenBoot Configuration Variable Settings” on page 23
Communicating With the System
To install your system software or to diagnose problems, you need some way to
interact at a low level with the system. The system console is the facility for doing
this. You use the system console to view messages and issue commands. There can
be only one system console per computer.