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On a fresh install of Ubuntu 12.04, using the unity-2d desktop, I changed the alert sound to a bark and now I can't change it back to anything else. In Sound Settings, under the "Sound Effects" tab, in the "Choose an alert sound" list, I select "default" or "glass" or "sonar" but I still get barks.

I'm testing by hitting backspace at a terminal prompt in gnome-terminal.

Can anyone tell me how to get rid of the dog?

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I have the same issue.. I try to change the sound from the settings, but nothing, I'm stuck with the dog... – lucacerone Jul 1 '12 at 12:05

Try renaming the file bark.ogg change the alert sound, and then rename the file back. All this needs to happen as root. You may have to restart your machine.

Also make sure that you set the volume past the mid point to get alert sounds to kick in

If that doesn't work, try creating a new entry in Startup Applications, as below. Use any of the files in /usr/share/sounds/gnome/default/alerts or use your own file, but place it in the same location.

Also see this question

This may or may not work, but its worth a shot. You can try adding it in the Startup Application preferences. Go to System Preferences --> Startup Applications and then find the GNOME login sound,

enter image description here

press Edit to change the command

/usr/bin/canberra-gtk-play --id="your file name" --description="GNOME Login"

enter image description here

That's it

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I think, he is saying changing the alert sound when something goes wrong. not Login sound – Anwar Shah Aug 4 '12 at 14:40

Try removing .pulse folder and .pulse-cookie file in your home directory. To do this:

  1. Open terminal by pressing Ctrl+Alt+T

  2. Type this command and press Enter

     rm -r ~/.pulse ~/.pulse-cookie
  3. Then restart your PC and select new alert sound.

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