1) Installation check                                                                                             [    OK    ]
2) Download of XGL                                                                                                           [    KO    ]
3) Installation of XGL                                                                                                       [Alrdy done]
4) Configuration of XGL                                                                                                      [    OK    ]
5) Installation of Compiz and Beryl                                                                                          [Alrdy done]


You can now install Compiz, Compiz-fusion or Beryl with
        installXGL_EN -cb


Installation finished. You can now launch a new GNOME, KDE or XFCE session and
choose XGL.
At any time you can choose to use Compiz or Beryl through the Gnome/KDE menu -> Preferences/Settings -> "XGL Window Manager".
[root@localhost ~]#