Quick Tip: How to disable PC Speaker under Linux
Is very annoying to hear a beep from your pc speaker everytime when you do a mistake or your keyboard buffer is filled.
The most easy way to disable it is to remove the pc speaker kernel module and after just blacklist it to don’t be loaded on boot.
$ sudo su -
# rmmod pcspkr
# echo blacklist pcspkr >> /etc/modprobe.d/blacklist
# echo >> /etc/modprobe.d/blacklist