Ubuntu/Debian/Mint disable mouse accel

[Annihil]

If xset m 0 0 doesn't work,
here is how to disable mouse accel now

cat << EOF | sudo tee /usr/share/X11/xorg.conf.d/90-mouse.conf > /dev/null
Section "InputClass"
	Identifier "mouse"
	MatchIsPointer "on"
	Option "AccelerationProfile" "-1"
	Option "AccelerationScheme" "none"
EndSection
EOF