1vim .bashrc 12345export PATH=/usr/local/cuda-10.2/bin:$PATHexport LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATHexport CUDA_HOME=$CUDA_HOME:/usr/local/cuda-10.2export ROS_PACKAGE_PATH=${ROS_PACKAGE_PATH}:~/ros_car/export CUDA_HOME=/usr/local/cuda