====== Debugging ======

  mousepad '/var/log/Xorg.0.log'

  cat '/var/log/Xorg.0.log' | grep 'Using input driver'

  cat '/var/log/Xorg.0.log' | grep 'modeset('

  cat '/var/log/Xorg.0.log' | grep 'intel:'

  cat '/var/log/Xorg.0.log' | grep 'DRI3'

  cat '/var/log/Xorg.0.log' | grep 'iris'

===== GNOME =====

  cat ~/'.local/share/xorg/Xorg.'*'.log' | grep 'Using input driver'

  gnome-text-editor ~/'.local/share/xorg/Xorg.1.log'

====== Distro ======

  * [[linux;distros;debian_12_xfce|Debian 12 (Xfce)]]

====== Specific Screens ======

===== HP 27vx =====

  sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/10-monitor-custom.conf'

<code>
Section "Monitor"
    Identifier "HDMI-1"
    Modeline "1920x1080_74" 165.612 1920 1928 1960 2000 1080 1105 1113 1119 +HSync -VSync
    Modeline "1280x720_74" 75.077 1280 1288 1320 1360 720 732 740 746 +HSync -VSync
    Modeline "1024x768_74" 65.03 1024 1032 1064 1104 768 782 790 796 +HSync -VSync
    Option "PreferredMode" "1920x1080_74"
EndSection

# End</code>

====== Graphics ======

===== modesetting =====

  * 2025/04/14: Preferred over ''intel''

  sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/10-graphics-custom.conf'

<code>
Section "OutputClass"
    Identifier "Intel (modesetting custom)"
    MatchDriver "i915"
    Driver "modesetting"
EndSection

# End</code>

===== intel =====

  sudo apt install 'xserver-xorg-video-intel'

  sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/10-graphics-custom.conf'

<code>
Section "OutputClass"
    Identifier "Intel (intel custom)"
    MatchDriver "i915"
    Driver "intel"
    Option "DRI" "3"
    Option "TearFree" "0"
    Option "VSync" "0"
    Option "PageFlip" "0"
    Option "SwapbuffersWait" "0"
    Option "TripleBuffer" "0"
    Option "LinearFramebuffer" "1"
EndSection

# End</code>

====== Input ======

===== Keyboard =====

  sudo apt install 'xserver-xorg-input-evdev'

  sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/10-keyboard-custom.conf'

<code>
Section "InputClass"
    Identifier "BY Tech Gaming Keyboard (evdev custom)"
    MatchUSBID "258a:010c"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    Option "AccelerationProfile" "-1"
    Option "AccelerationScheme" "none"
EndSection

# End</code>

===== Mouse =====

  sudo apt install 'xserver-xorg-input-evdev'

  sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/10-mouse-custom.conf'

<code>
Section "InputClass"
    Identifier "ATTACK SHARK R6 Mouse (evdev custom)"
    MatchUSBID "373e:0021"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    Option "AccelerationProfile" "-1"
    Option "AccelerationScheme" "none"
EndSection

# End</code>

===== Tablet =====

  sudo apt install 'xserver-xorg-input-evdev'

  sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/10-tablet-custom.conf'

<code>
Section "InputClass"
    Identifier "Wacom CTH-470 (evdev custom)"
    MatchUSBID "056a:00de"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    Option "Mode" "Absolute"
    Option "AccelerationProfile" "-1"
    Option "AccelerationScheme" "none"
EndSection

# End</code>

===== Touchpad =====

  sudo apt install 'xserver-xorg-input-synaptics'

  sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/10-touchpad-custom.conf'

<code>
Section "InputClass"
    Identifier "Touchpad (synaptics custom)"
    MatchProduct "DELL0819:00"
    MatchDevicePath "/dev/input/event*"
    Driver "synaptics"
    Option "TapAndDragGesture" "0"
    Option "CoastingSpeed" "0"
    Option "PalmDetect" "0"
    Option "CircularScrolling" "0"
    Option "TapButton3" "0"
    Option "TapButton2" "0"
    Option "TapButton1" "0"
    Option "LBCornerButton" "0"
    Option "LTCornerButton" "0"
    Option "RBCornerButton" "0"
    Option "RTCornerButton" "0"
    Option "LockedDrags" "0"
    Option "HorizTwoFingerScroll" "0"
    Option "CornerCoasting" "0"
    Option "HorizEdgeScroll" "0"
    Option "VertEdgeScroll" "0"
EndSection

# End</code>