libruby.so.3.0: cannot open shared object file code example

Example 1: libcusolver.so.9.0: cannot open shared object file: No such file or directory

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/cuda/lib64/

Example 2: libcublas.so.9.0: cannot open shared object file: No such file or directory

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/cuda-9.0/lib64/