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Editorial Team
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Asked: 2026-06-11T07:23:50+00:00

I compiled the sdk examples yesterday and I ran few of them also. But

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I compiled the sdk examples yesterday and I ran few of them also. But today I am trying to run the deviceQuery and in the ~/NVIDIA_GPU_Computing_SDK/C/bin/linux/release folder by issuing ./deviceQuery command and it is showing:

 ./deviceQuery: error while loading shared libraries: libcudart.so.4: cannot open shared object file: No such file or directory

Can anybody help me out please?

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1 Answer

  1. Editorial Team

    Set the path environment for CUDA

    goto /etc/

$ gksudo gedit environment

    There you can see PATH=”/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games”

    something like that,,, just append the following

    :/usr/local/cuda/bin"

    save and exit the editor

    reload the path

     source environment

    now set LD_LIBRARY_PATH: (be in /etc/ directory itself)

     $ gksudo gedit ld.so.conf.d/cuda.conf

    (which creates a new file)
    paste following into the file

      /usr/local/cuda/lib64
  /usr/local/cuda/lib

    save and quit the editor
    reload LD_LIBRARY_PATH

    $ sudo ldconfig

    Now run the samples.

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