System/RAM beep

Via Kernel module

To disable the system/RAM beep the kernel module pcspkr can be disabled which is not used by nautilus

$ rmmod pcspkr ; echo "blacklist pcspkr" >>/etc/modprobe.d/blacklist.conf

Inside of i3.conf

In the i3.conf it can be disabled by adding the following lines to the config:

$ exec "xset b off"
$ exec "xset b 0 0 0"

For Gnome

For Gnome it can be done with terminal commands like:

$ dconf write /org/gnome/desktop/sound/event-sounds "false"
$ gsettings set org.gnome.desktop.sound event-sounds false

Inside of terminall session (temporarly)

It can also be turned on/off temporarly if is needed:

$ xset b off
$ xset b 0 0 0