debian:/home/hellyeah/Downloads# compiz --replace &
[1] 5875
debian:/home/hellyeah/Downloads# Checking for Xgl: not present. 
xset q doesn't reveal the location of the log file. Using fallback /var/log/Xorg.0.log 
Detected PCI ID for VGA: 01:00.0 0300: 10de:0427 (rev a1) (prog-if 00 [VGA controller])
Checking for texture_from_pixmap: present. 
Checking for non power of two support: present. 
Checking for Composite extension: present. 
Checking screen 1Comparing resolution (1280x800) to maximum 3D texture size (8192): Passed.
Checking for Software Rasterizer: Not present. 
Checking for nVidia: present. 
No nvidia-settings program available to determine VideoRam.Checking for FBConfig: present. 
Checking for Xgl: not present. 
/usr/bin/compiz.real (core) - Warn: SmcOpenConnection failed: None of the authentication protocols specified are supported
Backend     : ini
Integration : true
Profile     : default
Adding plugins
Initializing core options...done

debian:/home/hellyeah/Downloads#