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I've recently started using a new desktop PC with Ubuntu Linux installed. However the terminal beeps annoyingly. i.e. If I'm at the start of the line and I press Backspace, it'll beep to tell me that there are no characters to delete. Of if I am trying to tab complete and there are no completions for it, then it'll beep.

How do I turn this off?

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5 Answers 5

up vote 13 down vote accepted

As the pc speaker is annoying altogether (at least, I think it is), I just go

modprobe -r pcspkr

and add it to /etc/modprobe.d/blacklist.conf like this:

blacklist pcspkr

No more beeps. Ever.

Does not work for bells through /dev/snd/*, obviously

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1  
Newer kernels use snd_pcsp instead, if the above does not work. Try modprobe -r snd_pcsp and blacklist snd_pcsp. –  Joseph Kern Jun 16 '09 at 10:29
    
Throwing the baby out with the bath water! –  Dan Carley Jun 16 '09 at 11:23
    
I think 'Throwing the baby out with the bath water' would be unplugging the pc speaker ;-) –  Kyle Brandt Jun 16 '09 at 11:26
    
+1 This answered my opposite question: "how do I get terminal beeps to work?" –  Ternary Apr 11 '13 at 14:53

Easiest fix: put

set prefer-visible-bell on

in your .inputrc.

This however will only work for applications using the readline library (this includes bash). Other applications may still decide to beep at you.

If you want to disable all beeping, you will have to do it in the terminal. How to do this depends on your terminal. In xterm it's option -vb (also works in many other terminals, e.g. in rxvt). Most graphical terminals have a config option for this.

Also see the Visible bell mini-Howto for all the dirty details.

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In addition to the setterm and Gnome settings solutions already suggested there are the following:

If running X, open an xterm and enter xset b off

To disable system bell in bash startup edit ~/.inputrc or /etc/inputrc and add the line "set bell-style none" or "set bell-style visual" if you want a screen flash.

There's a good article on this here

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setterm -blength 0

you'll want to add this to your bash profile

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from cybercity:

  • Open Gnome terminal
  • Click on Settings > Preferences > Silence Terminal Bell
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Those sound like the instructions for a KDE application, and don't work exactly right on Gnome Terminal. However you were on the right track. –  Rory Jun 16 '09 at 9:52

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