Display Server

Wayland

• Wayland is a display server protocol
• Display servers using the Wayland are called compositors, which are the graphical environments
• XWayland is used to provide a X Server in Wayland for backwards compatibility

Weston

• Reference implementation for Wayland compositors

Sway

• Sway is an i3-compatible Wayland compositor based on wlroots

Mutter

• Gnome's native compositor

Kwin

• KDE's native compositor

Xorg / X11 / X Window System

• The graphical environment in Xorg is called window manager (WM)
• Packages
• xorg-server
• xorg-xrandr

Configuration

• Configuration is stored at /etc/X11/xorg.conf.d/ and /usr/share/X11/xorg.conf.d/

# /etc/X11/xorg.conf.d/10-nvidia-drm-outputclass.conf
Section "OutputClass"
    Identifier "intel"
    MatchDriver "i915"
    Driver "modesetting"
EndSection

Section "OutputClass"
    Identifier "nvidia"
    MatchDriver "nvidia-drm"
    Driver "nvidia"
    Option "AllowEmptyInitialConfiguration"
    Option "PrimaryGPU" "yes"
    ModulePath "/usr/lib/nvidia/xorg"
    ModulePath "/usr/lib/xorg/modules"
EndSection

Bootstrap

• ~/.xinitrc: stores initial script to be run (not used if a display manager is set up, e.g., gdm)

xrandr --setprovideroutputsource modesetting NVIDIA-0
xrandr --auto

i3

• Most famous Xorg WM