nvidia-settings and nvidia-xconfig are both included into the nvidia-glx package. According to the description of nvidia-settings values such as brightness and gamma, XVideo attributes, temperature, and OpenGL settings can be queried and configured via nvidia-settings. If nvidia-settings doesn't display temperature values your video card doesn't have the necessary sensors to report them.
** Changed in: nvidia-settings (Ubuntu) Status: Unconfirmed => Rejected -- Impossible to install nvidia-settings in Edgy https://launchpad.net/bugs/72979 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs