Disable Mouse Acceleration on Linux

To disable mouse acceleration, create a file called "[c]50-mouse-acceleration.conf[/c]" inside [c]xorg.conf.d[/c] The path to [c]xorg.conf.d[/c] can vary depending on the Linux distribution you use.

xorg.conf.d Path

Debian, Ubuntu, Linux Mint, and derivatives /usr/share/X11/xorg.conf.d/
Arch Linux /etc/X11/xorg.conf.d/

Create a new config

sudo nano /usr/share/X11/xorg.conf.d/50-mouse-acceleration.conf

Xorg configuration

  Section "InputClass"
      Identifier "My Mouse"
      MatchIsPointer "yes"
      Option "AccelerationProfile" "-1"
      Option "AccelerationScheme" "none"
      Option "AccelSpeed" "-1"
  EndSection

libinput configuration

   Section "InputClass"
   	Identifier "My Mouse"
   	Driver "libinput"
   	MatchIsPointer "yes"
   	Option "AccelProfile" "flat"
   EndSection

Save and then restart your pc or just restart x. To confirm that acceleration has been disabled, enter the following: xinput list-props {1..50} 2>/dev/null | fgrep 'libinput Accel Profile Enabled (' The profile should read 0, 1

Arch Linux user follow the instruction on the wiki https://wiki.archlinux.org/index.php/Mouse_acceleration Or just create a new config /etc/X11/xorg.conf.d/50-mouse-acceleration.conf and paste the following texts Section "InputClass" Identifier "My Mouse" Driver "libinput" MatchIsPointer "yes" Option "AccelProfile" "flat" EndSection