Apple oxs manual Energy Saver Settings, Viewing or Changing Network Time Server Usage

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 (onoff)

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 (onoff)

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 (onoff)

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 (onoff)

To see how long the system waits to restart after a power failure:

$ sudo systemsetup -getWaitForStartupAfterPowerFailure

Chapter 4 Setting General System Preferences

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