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How to enable "Allow Guests to log in to this computer" option on Mac OS X Mountain Lion via command line ?

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There are quite a few things going on in the background when you tick the box. Not easy two wrap this all up in one or two lines of code. Is there a specific reason you need to do this via command line? –  slhck May 19 '13 at 14:13
    
@slhck Yes, I am planning on automating the installation of my workstation. How about with Apple Script ? –  David Andreoletti May 20 '13 at 0:48

1 Answer 1

The option "Allow guests to log in to this computer" is stored as "GuestEnabled" key in /Library/Preferences/com.apple.loginwindow.plist

You can change it by using defaults command with root permission, tested on MountainLion 10.8.4

Read

sudo defaults read /Library/Preferences/com.apple.loginwindow GuestEnabled
#1 -> Enabled, 0 -> Disabled

Write

sudo defaults write /Library/Preferences/com.apple.loginwindow GuestEnabled -bool YES|NO
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