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Full Discussion: Changing the frequency of that beeping sound
Top Forums UNIX for Dummies Questions & Answers Changing the frequency of that beeping sound Post 21133 by LivinFree on Saturday 11th of May 2002 11:48:19 PM
Old 05-12-2002
Well, I didn't think this was possible before unless you modified your kernel and recompiled the whole thing (I think I read it's in console.c), but I found this page:
http://www.linux.org/docs/ldp/howto/...al-Bell-4.html
It's for an a seperate application, but opens up by saying that it's unneccesary if you have a kernel greater than or equal to 1.3.43, which you do.

I tried this on a Slackware 7.1.0 with kernel 2.2.16 (the default for this release) box:
Code:
echo -n "\\33[10;600]\\33[11;50]"

It echo's a blank line with no sound, but after that if you perform an action that would normally beep, the new altered sound appears instead. Cool trick really.
Try playing with it to see what you like, then add it to your .bash_profile to have it automatically switch every time you log in.

I believe it only work on the console, though...

Have fun!
 

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LEARN ABOUT MOJAVE

systemd-getty-generator

SYSTEMD-GETTY-GENERATOR(8)                                    systemd-getty-generator                                   SYSTEMD-GETTY-GENERATOR(8)

NAME

       systemd-getty-generator - Generator for enabling getty instances on the console

SYNOPSIS

       /lib/systemd/system-generators/systemd-getty-generator

DESCRIPTION

       systemd-getty-generator is a generator that automatically instantiates serial-getty@.service on the kernel console(s), if they can function
       as ttys and are not provided by the virtual console subsystem. It will also instantiate serial-getty@.service instances for virtualizer
       consoles, if execution in a virtualized environment is detected. If execution in a container environment is detected, it will instead
       enable console-getty.service for /dev/console, and container-getty@.service instances for additional container pseudo TTYs as requested by
       the container manager (see Container Interface[1]). This should ensure that the user is shown a login prompt at the right place, regardless
       of which environment the system is started in. For example, it is sufficient to redirect the kernel console with a kernel command line
       argument such as console= to get both kernel messages and a getty prompt on a serial TTY. See kernel-parameters.txt[2] for more information
       on the console= kernel parameter.

       systemd-getty-generator implements systemd.generator(7).

       Further information about configuration of gettys can be found in systemd for Administrators, Part XVI: Gettys on Serial Consoles (and
       Elsewhere)[3].

SEE ALSO

       systemd(1), agetty(8)

NOTES

        1. Container
               Interface
           https://www.freedesktop.org/wiki/Software/systemd/ContainerInterface/

        2. kernel-parameters.txt
           https://www.kernel.org/doc/Documentation/admin-guide/kernel-parameters.txt

        3. systemd for Administrators, Part XVI: Gettys on Serial Consoles (and Elsewhere)
           http://0pointer.de/blog/projects/serial-console.html

systemd 237                                                                                                             SYSTEMD-GETTY-GENERATOR(8)
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