Edit file File name : ubuntu-desktop.preinst Content :#!/bin/sh set -e # We install the X server early on so that other packages (e.g. usplash) can # get at the resolution it configures. It is listed as part of the task, # which will take care of its removal when the task is removed. for pkg in xserver-xorg; do if apt-cache show "$pkg" >/dev/null 2>&1 && ! dpkg --get-selections | egrep "^$pkg[[:space:]]+install"; then apt-get "$@" -q -y -f install $pkg >/dev/null || true fi done Save