Linux - Disable internal system speaker

Symptoms

• System beeps on tab-completion
• Certain operations in VI/VIM will activate sound beep

Resolutions

At the Linux Kernel Level

Unload and blacklist pcspkr kernel module.

modprobe -r pcspkr

To blacklist a kernel module, there are multiple methods. One of them is to pass kernel bootable parameter like:

module_blacklist=pcspkr

Another method is to add the following line to /etc/modprobe.d/unwanted.conf file.

install pcspkr /bin/true

At the Application Level

set bell-style none

set visualbell