Dell Precision 5510 with Ubuntu 16.04.2 and libinput to fix the mouse at times is a bit jumpy

dell-5510-ubuntu-libinput.md

• Install the packages

  sudo apt-get install libinput-tools xserver-xorg-input-libinput
  

• Identify the touchpad device with

  sudo /usr/bin/libinput-list-devices
  ...
  Device:           DLL06E5:01 06CB:7A13 Touchpad
  Kernel:           /dev/input/event16
  Group:            8
  Seat:             seat0, default
  Size:             102.33x77.33mm
  Capabilities:     pointer 
  Tap-to-click:     disabled
  Tap-and-drag:     enabled
  Tap drag lock:    disabled
  Left-handed:      disabled
  Nat.scrolling:    disabled
  Middle emulation: n/a
  Calibration:      n/a
  Scroll methods:   *two-finger edge 
  Click methods:    *button-areas clickfinger 
  Disable-w-typing: enabled
  Accel profiles:   none
  ...
  

• Add the configuration settings to file /usr/share/X11/xorg.conf.d/90-libinput.conf

  Section "InputClass"
          Identifier "DLL06E5:01 06CB:7A13 Touchpad"
          MatchIsTouchpad "on"
          MatchDevicePath "/dev/input/event16"
          Option "Tapping" "True"
          Option "TappingDrag" "True"
          Option "DisableWhileTyping" "True"
          Driver "libinput"
  EndSection