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Thread: Wake Up U!

  1. #1
    Join Date
    May 2009
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    Republic of Moldova
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    83
    Distro
    Ubuntu 10.04 Lucid Lynx

    Smile Wake Up U!

    how can i wake up my Ubuntu OS for example at 12.40?
    is there any function doing this?

    i know that to shutdown i need to do: sudo shutdown 12:40 -P

    so?

    PS: sorry for my bad english)

  2. #2
    Join Date
    Feb 2006
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    5,714

    Re: Wake Up U!

    hit the power button? *shrug*

    seriously though, are you trying to find if there is a way to have the system turn on at a certain time after being powered down? If so, I don't believe there is as the system isn't running so can't run commands to turn it on.
    Debian Testing(64bit) + XFCE4 AM2 5200+ ATI Radeon HD4350, 4gig RAM,320Gig and 750gig HDs

    what's the difference between an answer and a solution? An answer is what they want to hear, a solution is what they don't want to hear

  3. #3
    Join Date
    May 2009
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    Ottawa, Canada
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    5
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Wake Up U!

    You want cronjob if you want to do anything at any given time. Type "crontab -e" it will show you current cron jobs. Anyway, detailed information is available here: https://help.ubuntu.com/community/CronHowto

  4. #4
    Join Date
    Mar 2008
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    Birmingham, UK
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    Re: Wake Up U!

    For that you would probably need to find an option in your BIOS to automatically switch the PC on at a certain time.
    Desktop: Phenom 955 BE | GA-MA790XT-UD4P | 8GB TG Elite 1600 | BFG GTX 275
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  5. #5
    Join Date
    Oct 2008
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    With Internet
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    261
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Wake Up U!

    You will have to update your bios with this information to make this possible, there is no other way than that.

  6. #6
    Join Date
    Jun 2006
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    2,930

    Re: Wake Up U!

    You can set it in bios if it isn't going to change.

    There is a way to set this in linux, but I have to look it up.

    In the meantime, you can also use another computer to wake it up using wakeonlan

  7. #7
    Join Date
    Jun 2006
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    2,930

    Re: Wake Up U!

    here is a link that explains how to do it, but I haven't tried it yet.
    http://www.mythtv.org/wiki/ACPI_Wakeup
    make sure you follow the Using /sys/class/rtc/rtc0/wakealarm sections and not the /proc/acpi/alarm ones
    Last edited by lavinog; May 28th, 2009 at 06:29 PM.

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