[Bert@localhost ~]$ compiz --replace
compiz (core) - Fatal: GLX_EXT_texture_from_pixmap is missing
compiz (core) - Error: Failed to manage screen: 0
compiz (core) - Fatal: No manageable screens found on display :0.0
[Bert@localhost ~]$ metacity --replace & disown
[1] 5832
[Bert@localhost ~]$