CUDA 4.2 install in 12.04

CUDA 4.2 install in 12.04
http://forums.nvidia.com/index.php?showtopic=231150

undefined reference to 'gluErrorString' trouble installing cuda on ubuntu 12.04:
Solution
http://forums.nvidia.com/index.php?showtopic=224163

cannot open libcudart.so.4
solution:
http://laurencedawson.com/upgrading-to-cuda-4.0

ldconfig