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The mac_os_x cookbook has been deprecated

Author provided reason for deprecation:

The mac_os_x cookbook has been deprecated and is no longer being maintained by its authors. Use of the mac_os_x cookbook is no longer recommended.

You may find that the macos cookbook is a suitable alternative.


mac_os_x (11) Versions 1.4.2

Manage OS X user defaults settings

cookbook 'mac_os_x', '= 1.4.2', :supermarket
cookbook 'mac_os_x', '= 1.4.2'
knife supermarket install mac_os_x
knife supermarket download mac_os_x
Quality -%


Manage Mac OS X user defaults system.



Tested on Mac OS X 10.6.8, should work on any version.


  • node['mac_os_x']['settings'] - A hash of settings to apply with the mac_os_x_userdefaults LWRP (see below), used in the mac_os_x::settings recipe. Set up sub-attributes for each domain's settings to apply. The attribute must be a hash, and must have a "domain" key with the domain of the defaults setting. Each key is a "key" used in the LWRP, and its value is the corresponding "value"

For example, some 'dock' settings (for

node.default['mac_os_x']['settings']['dock'] = {
  "domain" => "",
  "no-glass" => true,
  "autohide" => true,
  "showhidden" => true



Manage the Mac OS X user defaults(1) system. The parameters to the resource are passed to the defaults command and the parameters follow convention of the OS X command. See the defaults(1) man page for detail on how the tool works.


  • :write: write the setting to the specified domain. Default.

Attribute Parameters

  • domain: The domain the defaults belong to. Required. Name attribute.
  • global: Whether the domain is global. Can be true or false. Default false.
  • key: The preference key. Required.
  • value: The value of the key. Required.
  • type: Value type of the preference key.
  • sudo: Set to true if the setting requires privileged access to modify. Default false.

value settings of 1, TRUE, true, YES or yes are treated as true by defaults(1), and are handled in the provider.
value settings of 0, FALSE, false, NO or no are treated as false by defaults (1) and are also handled by the provider.


The current version cannot handle plists or dictionaries.


Simple example that uses the domain, with a single key and value.

mac_os_x_userdefaults "enable time machine on unsupported volumes" do
  domain ""
  key "TMShowUnsupportedNetworkVolumes"
  value "1"

Specify a global domain. Note that the key is not required for global domains.

mac_os_x_userdefaults "full keyboard access to all controls" do
  domain "AppleKeyboardUIMode"
  global true
  value "2"

A boolean type that uses truthiness (TRUE).

mac_os_x_userdefaults "finder expanded save dialogs" do
  domain "NSNavPanelExpandedStateForSaveMode"
  global true
  value "TRUE"
  type "bool"

A setting that uses an int (integer) type.

mac_os_x_userdefaults "enable OS X firewall" do
  domain "/Library/Preferences/"
  key "globalstate"
  value "1"
  type "int"

LWRP's can send notifications, so we can change the Dock, and then refresh it to take effect.

execute "killall Dock" do
  action :nothing

mac_os_x_userdefaults "set dock size" do
  domain ""
  type "integer"
  key "tilesize"
  value "20"
  notifies :run, "execute[killall Dock]"

This setting requires privileged access to modify, so tell it to use sudo. Note that this will prompt for the user password if sudo hasn't been modified for NOPASSWD.

mac_os_x_userdefaults "disable time machine normal schedule" do
  domain "/System/Library/LaunchDaemons/"
  key "Disabled"
  value "1"
  sudo true


Manages the property list (plist) preferences file with the cookbook_file Chef resource. Files will be dropped in Library/Preferences under the home directory of the user running Chef.


  • :create: create the file. Default.

Attribute Parameters

  • source: file name to use in the files directory of the cookbook. Name attribute.
  • cookbook: cookbook where the plist file is located.


Write the iTerm 2 preferences to ~/Library/Preferences/com.googlecode.iterm2.plist.

mac_os_x_plist_file "com.googlecode.iterm2.plist"


The recipes in this cookbook provide example usage of the defaults(1) LWRP, and have some useful system preference settings. They were originally based on work done in Pivotal Labs workstation management repository, though are new code given the LWRP rewrite.


Turns on:

  • auto hide
  • magnification

Turns off:

  • animation switching workspaces

Sets the tile size to really small.


Sets Finder save dialogs to expanded by default.


Enables the OS X firewall.


Enables keyboard access to all window controls. In other words, "Tab" will cycle focus to buttons instead of just text entry fields.


Set the default key repeat rate to fast and the delay to short.


Enables password protection for screensaver and sets the delay to ask for password.


Enable time machine to backup to unsupported devices like NAS drives or AFP shares.


Iterates over the node['mac_os_x']['settings'] attribute (see
Attributes above) for domain settings to apply. The attributes file
has commented-out settings to use for examples; this attribute is by
default an empty hash. You are encouraged to set the attributes for
your own nodes through a role, rather than modifying the cookbook's
attributes file directly.

Recipes above which implement specific settings through
mac_os_x_userdefaults can be replaced entirely through the use of
attributes, and may be removed in favor of this in a future release.


There are a couple glaring assumptions made by this recipe.

  • If the domain starts with /Library/Preferences, then sudo is set to true, as that is not user writable.
  • If the domain is NSGlobalDomain, then global is set to true.

License and Author

Author:: Joshua Timberman (
Author:: Ben Bleything (

Copyright 2011, Joshua Timberman

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.

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