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I am using my laptop with very limited battery availability. I need to save as much battery as possible.

  • I would like to disable Spotlight indexing, how do I do that?
  • What else should I disable, even temporarily, to truly maximise savings? Services? Unix daemons? Is there a list?

Thanks.

PS I have already:

  • dimmed keyboard backlight (on a MacBook Pro)
  • switched off WiFi (apart from this post)
  • dimmed screen backlight
  • disabled discrete graphics
  • closed non-vital apps
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If you want both questions answered, you should split them up in different posts. –  Gerry Jul 5 '12 at 11:42

2 Answers 2

up vote 2 down vote accepted

Well, the immediate way is:

sudo mdutil -i off /

from the command line (you will have to enter your admin password) to stop indexing immediately.

You might also want to add the following step:

sudo vim /etc/hostconfig

(you might want to use a different editor than vim, YMMV)

Then, navigate to the entry

SPOTLIGHT=-YES-

and change it to

SPOTLIGHT=-NO-

SAVE the changes the exit the file. BTW, have a look at iFixit on how to change the battery, it seems you could have much better use of the laptop that way.

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I don't know if it'll really save anything battery-wise, but you might try defaults write com.apple.finder QuitMenuItem -bool YES and then using cmd-K to quit the Finder.

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