............................Contents


Preface	xi
...Ordering Sun Documents	xiii
1. Introduction to Power Management	1
...`dtpower`	1
...Suspend-Resume	2
...Choosing to Use Power Management	2
......Electronic Mail Issues	2
......Mail Alias Issues	3
......Remote Login Issues	3
......Cron Job Issues	3
......Calendar Manager Issues	3
......Thermal Stress Issues	3
2. Using Power Management	5
...Starting `dtpower`	6
..........· To start `dtpower` from the Command Line	6


..........· To start `dtpower` from the OpenWindows Menus	6
...The `dtpower` Icon	6
...The `dtpower` Main Window	7
...The Devices Panel	8
..........· To Set an Idle Time for Your Screen	8
...The System Panel	10
..........· To Set an Idle Time for AutoShutdown of the System
...................................................10
..........· To Enable or Disable AutoWakeup of the System	12
...Exiting `dtpower`	14
..........· To exit `dtpower`	14
3. Using Power Management on SPARCstation Voyager Systems	15
...Starting `dtpower`	16
..........· To start `dtpower` from the Command Line	16
..........· To start `dtpower` from the OpenWindows Menus	16
...The `dtpower` Icon	16
...The `dtpower` Main Window	18
...The Devices Panel	19
..........· To Set an Idle Time for Your Screen	19
..........· To Set an Idle Time for Your Hard Disk	21
...The System Panel	23
..........· To Set an Idle Time for AutoShutdown of the System
...................................................23
...Exiting `dtpower`	25
..........· To exit `dtpower`	26


4. Suspend-Resume	27
...Using Suspend	28
..........· To Initiate Suspend Using the Keyboard	28
..........· To Initiate Suspend Using Keyboard Shortcuts	30
..........· To Initiate Suspend Using Workspace Utilities	30
..........· To Initiate Suspend Using the `sys-suspend`
............Command	31
...Resuming Your System	31
..........· To Resume a Suspended System	32
A. Configuring Power Management Using the Command Line	33
...Introduction	33
...Idleness Definition	33
...The `power.conf` File	34
......Logical Dependents	34
...Becoming Superuser	34
..........· To become superuser	35
...Setting Device Idle Time	35
..........· To change the length of idle time	35
...Setting AutoShutdown	36
..........· To change the automatic shutdown time	36
...Changing the Idleness Definition	37
...Using a Script to Define Idleness	39
B. Troubleshooting	41
...Power Key Problems	41


..........· Power Key Does Not Suspend the System	41
...Suspend Failures	42
......What to Do If a Device Suspend Fails	42
..........· To Respond to a Device Suspend Failure	43
......What to Do If a Process Fails to Suspend	44
..........· To Respond to a Process Suspend Failure	45
......What to Do If More Disk Space Is Needed	45
..........· To Respond to a Disk Space Limitation	46
......What to Do If Abnormal Conditions Occur	46
..........· To Respond to an Abnormal Condition	46