xinput --list
xset q | grep -A 1 Pointer
xset m 0/1 4
xset q | grep -A 1 Pointer
sudo vim 80-mouse-accel-disable.conf
<< COMMENTOUT
input under
section "InputClass"
    Identifier "Set mouse acceleration to zero"
    MatchIsPointer "on"
    MatchDevicePath "/dev/input/event*"
 
    # Default value of mouse acceleration: 5/1 5
    # Set AccelerationNumerator to zero to disable
    Option "AccelerationNumerator" "0"
    Option "AccelerationDenominator" "1"
    Option "AccelerationThreshold" "4"
EndSection
 
COMMENTOUT
 
sudo chmod 644 80-mouse-accel-disable.conf