I add the line "export LD_LIBRARY_PATH=/usr/local/cuda-6.5/lib64:$LD_LIBRARY_PATH" at the end of ~/.bashrc and the run sudo ldconfig, but it give me such error information:
/sbin/ldconfig.real: /usr/local/lib/libcudart.so.6.5 is not a symbolic link
/sbin/ldconfig.real: /usr/local/lib/libcudnn.so.6.5 is not a symbolic link
The content of /usr/local/lib/:
cmake/ libglog.so@
libboost_atomic.a libglog.so.0@
libboost_atomic.so@ libglog.so.0.0.0*
libboost_atomic.so.1.53.0* libhdf5.a
libboost_chrono.a libhdf5_hl.a
libboost_chrono.so@
libhdf5_hl.la*
libboost_chrono.so.1.53.0* libhdf5_hl.so@
libboost_context.a libhdf5_hl.so.8@
libboost_context.so@ libhdf5_hl.so.8.0.1*
libboost_context.so.1.53.0*
libhdf5.la*
libboost_date_time.a libhdf5.settings
libboost_date_time.so@ libhdf5.so@
libboost_date_time.so.1.53.0* libhdf5.so.8@
libboost_exception.a libhdf5.so.8.0.1*
libboost_filesystem.a liblmdb.a
libboost_filesystem.so@ liblmdb.so*
libboost_filesystem.so.1.53.0* libopencv_calib3d.so@
libboost_graph.a libopencv_calib3d.so.2.4@
libboost_graph.so@ libopencv_calib3d.so.2.4.9
libboost_graph.so.1.53.0* libopencv_contrib.so@
libboost_locale.a libopencv_contrib.so.2.4@
libboost_locale.so@ libopencv_contrib.so.2.4.9
libboost_locale.so.1.53.0* libopencv_core.so@
libboost_math_c99.a libopencv_core.so.2.4@
libboost_math_c99f.a libopencv_core.so.2.4.9
libboost_math_c99f.so@ libopencv_features2d.so@
libboost_math_c99f.so.1.53.0* libopencv_features2d.so.2.4@
libboost_math_c99l.a libopencv_features2d.so.2.4.9
libboost_math_c99l.so@ libopencv_flann.so@
libboost_math_c99l.so.1.53.0* libopencv_flann.so.2.4@
libboost_math_c99.so@ libopencv_flann.so.2.4.9
libboost_math_c99.so.1.53.0* libopencv_gpu.so@
libboost_math_tr1.a libopencv_gpu.so.2.4@
libboost_math_tr1f.a libopencv_gpu.so.2.4.9
libboost_math_tr1f.so@ libopencv_highgui.so@
libboost_math_tr1f.so.1.53.0* libopencv_highgui.so.2.4@
libboost_math_tr1l.a libopencv_highgui.so.2.4.9
libboost_math_tr1l.so@ libopencv_imgproc.so@
libboost_math_tr1l.so.1.53.0* libopencv_imgproc.so.2.4@
libboost_math_tr1.so@ libopencv_imgproc.so.2.4.9
libboost_math_tr1.so.1.53.0* libopencv_legacy.so@
libboost_prg_exec_monitor.a libopencv_legacy.so.2.4@
libboost_prg_exec_monitor.so@ libopencv_legacy.so.2.4.9
libboost_prg_exec_monitor.so.1.53.0* libopencv_ml.so@
libboost_program_options.a libopencv_ml.so.2.4@
libboost_program_options.so@ libopencv_ml.so.2.4.9
libboost_program_options.so.1.53.0* libopencv_nonfree.so@
libboost_random.a libopencv_nonfree.so.2.4@
libboost_random.so@ libopencv_nonfree.so.2.4.9
libboost_random.so.1.53.0* libopencv_objdetect.so@
libboost_regex.a libopencv_objdetect.so.2.4@
libboost_regex.so@ libopencv_objdetect.so.2.4.9
libboost_regex.so.1.53.0* libopencv_ocl.so@
libboost_serialization.a libopencv_ocl.so.2.4@
libboost_serialization.so@ libopencv_ocl.so.2.4.9
libboost_serialization.so.1.53.0* libopencv_photo.so@
libboost_signals.a libopencv_photo.so.2.4@
libboost_signals.so@ libopencv_photo.so.2.4.9
libboost_signals.so.1.53.0* libopencv_stitching.so@
libboost_system.a libopencv_stitching.so.2.4@
libboost_system.so@ libopencv_stitching.so.2.4.9
libboost_system.so.1.53.0* libopencv_superres.so@
libboost_test_exec_monitor.a libopencv_superres.so.2.4@
libboost_thread.a libopencv_superres.so.2.4.9
libboost_thread.so@ libopencv_ts.a
libboost_thread.so.1.53.0* libopencv_video.so@
libboost_timer.a libopencv_video.so.2.4@
libboost_timer.so@ libopencv_video.so.2.4.9
libboost_timer.so.1.53.0* libopencv_videostab.so@
libboost_unit_test_framework.a libopencv_videostab.so.2.4@
libboost_unit_test_framework.so@ libopencv_videostab.so.2.4.9
libboost_unit_test_framework.so.1.53.0* libprotobuf.a
libboost_wave.a
libprotobuf.la*
libboost_wave.so@ libprotobuf-lite.a
libboost_wave.so.1.53.0*
libprotobuf-lite.la*
libboost_wserialization.a libprotobuf-lite.so@
libboost_wserialization.so@ libprotobuf-lite.so.8@
libboost_wserialization.so.1.53.0* libprotobuf-lite.so.8.0.0*
libcudart.so.6.5* libprotobuf.so@
libcudart.so.6.5.14* libprotobuf.so.8@
libcudnn.so* libprotobuf.so.8.0.0*
libcudnn.so.6.5* libprotoc.a
libcudnn.so.6.5.18*
libprotoc.la*
libcudnn.so.6.5.copy* libprotoc.so@
libcudnn_static.a libprotoc.so.8@
libgflags.a libprotoc.so.8.0.0*
libgflags_nothreads.a pkgconfig/
libglog.a python2.7/
libglog.la*