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Chapter 4 Setting General System Preferences 33
Viewing or Changing Network Time Server Usage
To see if a network time server is being used:
$ sudo systemsetup -getusingnetworktime
To enable or disable use of a network time server:
$ sudo systemsetup -setusingnetworktime (on|off)
To view the current network time server:
$ sudo systemsetup -getnetworktimeserver
To specify a network time server:
$ sudo systemsetup -setnetworktimeserver timeserver
Energy Saver Settings
You can use the systemsetup command to view or change a server’s energy saver
settings, which would otherwise be set using the Energy Saver pane of System
Preferences.
Viewing or Changing Sleep Settings
To view the idle time before sleep:
$ sudo systemsetup -getsleep
To set the idle time before sleep:
$ sudo systemsetup -setsleep minutes
To see if the system is set to wake for modem activity:
$ sudo systemsetup -getwakeonmodem
To set the system to wake for modem activity:
$ sudo systemsetup -setwakeonmodem (on|off)
To see if the system is set to wake for network access:
$ sudo systemsetup -getwakeonnetworkaccess
To set the system to wake for network access:
$ sudo systemsetup -setwakeonnetworkaccess (on|off)
Viewing or Changing Automatic Restart Settings
To see if the system is set to restart after a power failure:
$ sudo systemsetup -getrestartpowerfailure
To set the system to restart after a power failure:
$ sudo systemsetup -setrestartpowerfailure (on|off)
To see how long the system waits to restart after a power failure:
$ sudo systemsetup -getWaitForStartupAfterPowerFailure
LL2354.book Page 33 Monday, October 20, 2003 9:47 AM