Mac OS X

http://www.denis.lemire.name/images/posts/leopard.png

Convert icns to PNG

sips -s format png Dictionary.icns --out ~/Desktop/Dictionary_icon

Ripping a DVD

hdiutil makehybrid -udf -udf-volume-name DISTRUBIA_WS -o distrubia.iso ~/Desktop/DISTURBIA_WS

Enabling Time Machine to use Unsupported Devices

defaults write com.apple.systempreferences TMShowUnsupportedNetworkVolumes 1

Removing DS_Store Files

find . -type f -name ".DS_Store" -print0 | xargs -0 rm -f
find . -type f -name "._.DS_Store" -print0 | xargs -0 rm -f

Remotely Enable or Disable Screen Sharing

To enable screen sharing:

$ cd /Library/Preferences
$ echo -n enabled > com.apple.ScreenSharing.launchd

To disable screen sharing:

$ cd /Library/Preferences
$ rm com.apple.ScreenSharing.launchd