Specifications

Chapter 5 Setting General System Preferences 61
Viewing or Changing Network Time Server Usage
To see if a network time server is being used:
$ sudo systemsetup -getusingnetworktime
To enable or disable a network time server:
$ sudo systemsetup -setusingnetworktime (on|off)
To view the network time server:
$ sudo systemsetup -getnetworktimeserver
To specify a network time server:
$ sudo systemsetup -setnetworktimeserver timeserver
Viewing or Changing Energy Saver Settings
To view or change a server’s energy saver settings, use the systemsetup tool (or 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