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Thread: Sleep

  1. #1


    Member Since
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    Sleep
    I have read here that I should leave my iMac on so that various scripts can run from time to time to keep the system maintained. I also read about Onyx here so I downloaded that. My question is can I put my iMac to sleep? Will the scripts "wake it up" so they can run? Will a scheduled Time Machine wake it up (I have downloaded Time Machine Assistant, again because of a tip read here)? Or do I just leave it alone?

    Is there a reason (other than energy conservation which is a good reason!) for putting it to sleep?

  2. #2

    Mjc.americor's Avatar
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    Feb 02, 2008
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    Usually i just leave my iMac on till it falls asleep. In your energy saver settings you can adjust the time that you want it to fall asleep after. Usually it will wake the HD up but the screen will remain black and asleep. If there are scripts running the hard drive will stay active but the rest of the computer will continue to sleep.
    Hope that I could have helped.
    15.4" MacBook Pro Unibody
    2.4GHz 4GB Ram and 500GB HD nVidia Geforce 9600

  3. #3

    bad.heron's Avatar
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    Quote Originally Posted by Nevermore View Post
    I have read here that I should leave my iMac on so that various scripts can run from time to time to keep the system maintained. I also read about Onyx here so I downloaded that. My question is can I put my iMac to sleep? Will the scripts "wake it up" so they can run? Will a scheduled Time Machine wake it up (I have downloaded Time Machine Assistant, again because of a tip read here)? Or do I just leave it alone?

    Is there a reason (other than energy conservation which is a good reason!) for putting it to sleep?
    I am not sure if you can wake the mac for certain activities but you can run the maintenance scripts manually using the terminal

    Quote Originally Posted by http://www.thexlab.com/faqs/maintscripts.html
    Using your Admin account, you can execute all three maintenance scripts at once, as follows:

    1. Launch Terminal, in the Macintosh HD > Applications > Utilities folder.
    2. At the Terminal prompt, type the following, exactly as written:
    1. sudo periodic daily weekly monthly
    3. Press Return.
    4. Type your Admin password when prompted, then press Return.

    All three scripts will run in sequence. There is no visual feedback while the scripts execute. You will know they are completed when the Terminal prompt returns.

    You can also run the scripts individually. For example, to run just the daily script, you would type the command:

    * sudo periodic daily

    in step 2 above.
    Hope this helps.
    15.4" Apple Unibody Macbook Pro Mac OS X Snow Leopard (10.6.4), 2.8GHz Intel Core 2 Duo, 4GB 1066Mz DDR3 SDRAM (2x2GB), 128GB Solid State Drive (SSD), NVIDIA GeForce 9400M + 9600M GT with 512MB, SuperDrive 8X - Apple Remote Infrared (IR) - Logitech MX Performance 2.4 GHz Wireless - Apple Keyboard Bluetooth - iPhone 4 32GB, Black

  4. #4


    Member Since
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    Thank you
    for the replies. Appreciated! Not sure I have the guts to try terminal yet...

  5. #5

    bad.heron's Avatar
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    If you don't want to use the terminal there is a free app which does the same thing called MacJanitor
    15.4" Apple Unibody Macbook Pro Mac OS X Snow Leopard (10.6.4), 2.8GHz Intel Core 2 Duo, 4GB 1066Mz DDR3 SDRAM (2x2GB), 128GB Solid State Drive (SSD), NVIDIA GeForce 9400M + 9600M GT with 512MB, SuperDrive 8X - Apple Remote Infrared (IR) - Logitech MX Performance 2.4 GHz Wireless - Apple Keyboard Bluetooth - iPhone 4 32GB, Black

  6. #6


    Member Since
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    iMac 2.4GHz 320GB 4GB Ram ATI Radeon HD 2600 PRO with 256MB memory
    Thanks again
    I think Onyx does this too and I use that. It was also free.

  7. #7

    shfle's Avatar
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    Yes Onyx can perform these tasks, so you can set them off manually whenever you like, if you put your Mac to sleep or shutdown at night etc.

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