Metacity Compositing in Ubuntu 9.10
For Those who have problems with compiz (Super old GPU etc.) you can use Metacity’s Compositing Feature(Doesn’t give fancy effects but you can use use an App or Dock that requires compositing because it uses your CPU instead of GPU).
First Press Alt+F2.
Click Edit ->Find
type compositing_manager and tick Search also in Key Names.
Click the item in lower window
tick the box in front of compositing_manager.
Any Questions?Reply in Comments or send e-mail to firstname.lastname@example.org