Wayland

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This material needs expanding ...

A more thorough guide to installing, configuring, and running wayland on Alpine would be better.

Wayland is a new display protocol that aims to replace X11.

XDG_RUNTIME_DIR

Weston and other compositors require the XDG_RUNTIME_DIR variable to be set. Simply save the following script in /etc/profile.d/xdg_runtime_dir.sh and re-login to have it set up properly.

if test -z "${XDG_RUNTIME_DIR}"; then
  export XDG_RUNTIME_DIR=/tmp/$(id -u)-runtime-dir
  if ! test -d "${XDG_RUNTIME_DIR}"; then
    mkdir "${XDG_RUNTIME_DIR}"
    chmod 0700 "${XDG_RUNTIME_DIR}"
  fi
fi

This code was taken from Weston's build instructions. Only ${UID} (not present on Alpine Linux) has been replaced with $(id -u).