nvidia-settings 304.51-0ubuntu2 (amd64 binary) in ubuntu raring

 The nvidia-settings utility is a tool for configuring the NVIDIA
 Linux graphics driver. It operates by communicating with the NVIDIA
 X driver, querying and updating state as appropriate. This
 communication is done with the NV-CONTROL X extension.
 .
 Values such as brightness and gamma, XVideo attributes, temperature,
 and OpenGL settings can be queried and configured via nvidia-settings.