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Thread: 12.04 Power Button

  1. #1
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    Question 12.04 Power Button

    Can the power button be set to just shutdown without the menu prompting which action to take?

    When I hit the power button, I just want it turned off. If I have to reboot, I'd just choose that option from the menu and not the power button menu. I have a standby button, so I just want the power button to shutdown. In the settings, only the lid closed settings are available.

    Thanks.

  2. #2
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    Re: 12.04 Power Button

    is this on a laptop? if it is have your checked the power settings in System tools?
    Dave
    Registered Linux User #462608
    Ubuntu 14.04.1 /Xubuntu 14.04.1

  3. #3
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    Ubuntu 13.04 Raring Ringtail

    Re: 12.04 Power Button

    It's only one mouse click to press shutdown. Anyway, I found these articles when I consulted the Google machine:
    http://askubuntu.com/questions/66723...n-ubuntu-11-10
    http://askubuntu.com/questions/71494...e-power-button
    I'm pretty sure this will work in 12.04, although it was an answer for 11.10.
    I tried seeing if there were any articles for 12.04, but nothing turned up. The documentation pages also turned up nothing of use.

  4. #4
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    Unhappy Re: 12.04 Power Button

    Quote Originally Posted by Ubun2to View Post
    It's only one mouse click to press shutdown. Anyway, I found these articles when I consulted the Google machine:
    http://askubuntu.com/questions/66723...n-ubuntu-11-10
    http://askubuntu.com/questions/71494...e-power-button
    I'm pretty sure this will work in 12.04, although it was an answer for 11.10.
    I tried seeing if there were any articles for 12.04, but nothing turned up. The documentation pages also turned up nothing of use.
    I tried both of the above. The first article had a good lead...in the dconf-editor, I had to go to 'org/gnome/settings-daemon/plugins/power' and then change the 'button-power' to "shutdown". No luck.

    Next, I tried an alternate way using Ubuntu Tweak under 'tweaks/session control' and checked "Suppress the dialog to confirm logout, restart, and shutdown action." No luck.

    Finally, I tried the second article using:

    Code:
    gconftool --set /apps/gnome-power-manager/buttons/power --type string "shutdown"
    I rebooted and still no luck. I also checked and there was no /apps directory. Perhaps this is deprecated in 12.04?

    So0o, 3 attempts and still no go. And you're right, it is just one click away...however, I frequently am running late and have my Windows and Mac laptops just power off (especially on plane rides).

    Thanks for the links.

    Anyone else have an idea?

  5. #5
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    Re: 12.04 Power Button

    If you already came down to dconf-editor and still no luck, I'd say you should look outside ubuntu. Perhaps a setting in your bios regarding the behaviour of the power button (something like "send to the OS a shutdown signal" or so).
    BTW, does it work with other OSes (windows) in that machine?

    Quote Originally Posted by amhainen View Post
    Anyone else have an idea?
    Perhaps a bit out of context, but under lxde (Lubuntu) there is a straightforward setting for this in the "Energy" section.
    I have it enabled, and otherwise I support your position: it's not about the extra mouse click (in fact hitting <enter> is enough when that dialog pops up), it's about my machine behaving as I want, not the opposite

    JC
    What's even more important than free software? - OPEN FORMATS.

  6. #6
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    Re: 12.04 Power Button

    Quote Originally Posted by JC Cheloven View Post
    If you already came down to dconf-editor and still no luck, I'd say you should look outside ubuntu. Perhaps a setting in your bios regarding the behaviour of the power button (something like "send to the OS a shutdown signal" or so).
    BTW, does it work with other OSes (windows) in that machine?


    Perhaps a bit out of context, but under lxde (Lubuntu) there is a straightforward setting for this in the "Energy" section.
    I have it enabled, and otherwise I support your position: it's not about the extra mouse click (in fact hitting <enter> is enough when that dialog pops up), it's about my machine behaving as I want, not the opposite

    JC
    Yep, both XP and Win7 on this machine (triple booted) work fine with the power button...I'd suspect not a bios-level issue.

    And thanks for agreeing about having it the way I want! I've gotten used to the power then [Enter] sequence with 12.04. It's just that 10.04 worked fine and I love how fast Ubuntu powers off.

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