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10.1
Obtaining the ok Prompt
When a Sun Ultra 45 or Ultra 25 workstation is put into run level state 0, the ok
prompt is displayed. At the ok prompt, you can make changes to the NVRAM and
conduct OpenBoot PROM tests (POST and OpenBoot Diagnostics).
methods for obtaining the ok prompt, listed from most preferred to least desirable.
Caution – The Stop-A key sequence causes a system abort which loses the system
state and might corrupt file systems. Method 1 is the preferred procedure.
Methods for Obtaining the ok Prompt
TABLE 10-1
Method
Situation
1
Operating system is
functioning normally. You have
superuser access.
2
Operating system is
functioning normally. You do
not have superuser access.
3
System is off.
4
Operating system is not
functioning normally. You can
log in as superuser remotely.
5
System has just been powered
on.
6
No other alternatives are
available.
10-2
Sun Ultra 45 and Ultra 25 Workstations Service and Diagnostics Manual • May 2006
Procedure
1. Save all data and close all active applications.
2. Become superuser of the system.
3. Type: # init 0
1. Save all data and close all active applications.
2. Momentarily press and release the front panel Power button.
3. Select Shutdown from the Power Off window (if a GUI is
displayed).
In a few moments, the system powers off.
4. Momentarily press and release the front panel Power button to
power the system back on.
5. When the Power LED flashes, press the Power button twice
quickly.
1. Momentarily press and release the front panel Power button to
power the system back on.
2. When the Power LED flashes, press the Power button twice
quickly.
Type: # init 0
When the Power LED flashes, press the Power button twice
quickly.
Press the Stop and A keys simultaneously. The Stop-A key
sequence causes a system abort that loses the system state and
might corrupt file systems.
lists
TABLE 10-1
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