~xubuntu-dev/xfce4-session/grumpy

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Running Xfce
------------

If use you a login manager like GDM, you may have two ways to start Xfce :

- “Xfce Session” will run a complete xfce session, using Xfce-provided
  scripts (/usr/bin/startxfce4 which will then run /etc/xdg/xfce4/xinitrc
  or $HOME/.config/xfce4/xinitrc).
- “Default session” will run whatever is the default session manager on
  your system. This is the /usr/bin/x-session-manager alternatives, meaning
  you can tune it with update-alternatives (8). If you only have Xfce
  installed on your system, it will default to xfce4-session, meaning
  you'll be able to have an Xfce running chosing that option, but it'll be a
  minimal one because all the preparation made in /etc/xdg/xfce4/xinitrc
  before running xfce4-session won't be done.

Managing shutdown
-----------------

There are three ways to enable user to shutdown the computer from Xfce:

 - use sudo, and allow user to run /usr/sbin/xfsm-shutdown-helper in sudoers
 - use dbus and hal
   - hal and dbus should be installed, up and running
   - user should be in powerdev group
 - use policykit and a compatible login manager (gdm is known to work)