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Thread: Shut Down Frozen Program?

  1. #1
    Join Date
    Jul 2007
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    Shut Down Frozen Program?

    Is there a sequence of keys that will shut down a frozen program? Specifically, Firefox freezes on me sometimes (in Ubuntu 8.10). When this happens I get no response from clicking on "file" or "X". I know about hot rebooting the shell & hot rebooting Ubuntu. I figure there must be a key sequence that will shut down any frozen program. Is there?

    --Bruised

  2. #2
    Join Date
    Jun 2008
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    Tampico,Mexico
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    Ubuntu 9.10 Karmic Koala

    Re: Shut Down Frozen Program?

    Usually clicking on the X a couple of times gives me the option to kill the program. I have also added a kill icon to the panel. If I click the icon and then in the center of the window it will kill the program. It seems to me that when firefox freezes it is using so many resourses that I can't get a terminal open.

  3. #3
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    Jun 2008
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    Tennessee
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    Re: Shut Down Frozen Program?

    Used to be ctrl-alt-esc would turn the cursor into an "x" which would kill any program you clicked on. GNOME and/or Compiz might have changed this, though. The program that is run by that sequence is called "xkill", so presumably you can assign that to another key combo or just alt-f2 and type it in.

  4. #4
    Join Date
    Sep 2006
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    3,170
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    Ubuntu Karmic Koala (testing)

    Re: Shut Down Frozen Program?

    pkill firefox
    OR

    ps aux | grep firefox

    then kill the pid :

    example : kill 111234

  5. #5
    Join Date
    Feb 2007
    Location
    Liverpool, UK
    Beans
    226
    Distro
    Ubuntu 8.10 Intrepid Ibex

    Re: Shut Down Frozen Program?

    To do it graphically open a Terminal (Applications > Accessories > Terminal) and type;

    Code:
    xkill
    This will change your mouse cursor to an X. Now click in the center of the program window you want to kill.

    To do it via the command line you can use the pidof command, followed by the kill command.

    Code:
    pidof firefox
    will give you the process ID of the program you want to kill (firefox, in this case). If the pid is 5960 (for example) you would then do;

    Code:
    sudo kill 5960
    Useful Firefox Extensions | Learning The Shell | Ubuntu User #26220

    Rig: ASRock Conroe 1333-D667, Intel Pentium Dual Core E2180 @ stock (2 x 2.0Ghz), 2Gb PC2-5300 (667Mhz), On-board Video and Sound (for now).

  6. #6
    Join Date
    May 2008
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    381
    Distro
    Ubuntu Gnome 16.04 Xenial Xerus

    Re: Shut Down Frozen Program?

    Good evening

    You can add to a panel the little application "Force a misbehaving application to quit"

    Right click panel (upper or lower - it doesn't matter)
    Select "add to panel"
    Scroll down to "Force Quit"
    Click "Add" icon

    The little program works fine in Gnome.

  7. #7
    Join Date
    Jul 2007
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    82

    Re: Shut Down Frozen Program?

    Quote Originally Posted by lykwydchykyn View Post
    Used to be ctrl-alt-esc would turn the cursor into an "x" which would kill any program you clicked on. GNOME and/or Compiz might have changed this, though. The program that is run by that sequence is called "xkill", so presumably you can assign that to another key combo or just alt-f2 and type it in.
    Thank you. You are correct. ctrl - alt - esc doesn't work anymore but
    alt-f2 and type xkill is fast, simple, & works nicely.

    --Bruised
    Are You Part of the Problem or Victim of the Solution?

  8. #8
    Join Date
    Jun 2008
    Location
    Calgary, Alberta
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    1,125
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Shut Down Frozen Program?

    Quote Originally Posted by tea for one View Post
    Good evening

    You can add to a panel the little application "Force a misbehaving application to quit"

    Right click panel (upper or lower - it doesn't matter)
    Select "add to panel"
    Scroll down to "Force Quit"
    Click "Add" icon

    The little program works fine in Gnome.
    This is possibly the best little app for shutting down 'frozen' programs. I make sure to always add it after every install I do for people. The ironic thing is, I have it in my panel, but never have to use it...seems apps "just know" it's there and never misbehave...watch...now I'll be using it everyday...
    This is a signature. It is original.

  9. #9
    Join Date
    Jul 2007
    Beans
    82

    Re: Shut Down Frozen Program?

    O.K. I tried it. Didn't know there is a panel drop down like that one. I've got the icon for "force quit" on my top panel now. That is a nice one click solution!

    Thank you Tea for One & Sydbat

    --Bruised
    Are You Part of the Problem or Victim of the Solution?

  10. #10
    Join Date
    Mar 2006
    Beans
    87
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Shut Down Frozen Program?

    "Force a misbehaving application to quit" is stuck on my screen after force quitting an application. How do I get rid of it?
    64 bit Lucid Lynx flying on Core i7 Toshiba Qosmio X505

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