User Guide

Utilities 181
Utilities Reference
103-000153-001
August 29, 2001
Novell Confidential
Manual 99a38 July 17, 2001
Using SCRSAVER
When the screen saver is displayed, a snake-like figure—one for each online
processor—appears on the blank console screen. The snake for processor 0 is
red and the snake for processor 1, blue, etc. The snakes move randomly on the
screen, and as processor utilization increases, the snakes move faster and their
tails lengthen.
When scrsaver.nlm is loaded, the server console can be in one of three states.
 Active. The console is active—you can enter console commands and
monitor server activity.
 Screen Saver. The console can be locked or unlocked.
If the console is not locked, the screen saver appears by default after 10
minutes of inactivity. To retrieve the console display, press any key.
If the console is locked, the screen saver appears by default after one
minute of inactivity. To retrieve the console display, the console must first
be unlocked.
 Verifying. SCRSAVER verifies rights to the console through eDirectory
authentication.
To unlock the console, you must supply an eDirectory username and
password. SCRSAVER verifies that the user object has write rights to the
ACL attribute of this particular server.
The chance of eDirectory
TM
becoming unavailable is very slim, but you can
load SCRSAVER with the NO PASSWORD option to ensure that you can (if
necessary) unlock the console without a password. (Of course, a password
would still be required when eDirectory was available.)
For example, you might decide to run DSREPAIR in manual mode. In such a
case, the eDirectory database would be locked until there was manual
intervention. If SCRSAVER were also active and locked the console on
schedule, you would have a deadlock situation—unlocking the console would
be dependent on eDirectory authentication—and making eDirectory available
for authentication would be dependent on unlocking the console.
If you first load SCRSAVER with NO PASSWORD, you avoid having to
power off the machine or break into the debugger to exit NetWare
®
. To ensure
that SCRSAVER is loaded when the server is started, you can use place
SCRSAVER in the autoexec.ncf file.