Installing or running SAMSON on Ubuntu 17.04 and later versions



  • Hi @Subhajig ,
    What Ubuntu version do you have?
    Do you have an Nvidia GPU? You can check it with the following command in the terminal:

    lspci | grep VGA
    


  • Thanks for quick reply,
    My UBUNTU version is 16.04.4 LTS.
    After giving "1spci | grep VGA" i'm getting following
    "00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06)"
    Thanks in advance.



  • It seems that your system does not have a dedicated GPU. You should be able to run SAMSON with Intel (with built-in graphics), but you may lack some SAMSON features, which relies on GPU.

    Could you, please, check the result of the following command in your terminal:

    glxinfo | grep OpenGL
    

    If you see "The program 'glxinfo' is currently not installed", you will need to install the mesa:

    sudo apt-get install build-essential mesa-utils libgl1-mesa-dev
    

    After the installation, try the glxinfo | grep OpenGL command again in the terminal.



  • Hi,
    Sorry for delay.After installing mesa also I'm getting same error.Please give some suggestions to avoid this issues.
    Thank in advance
    Subhajit



  • Please, post the output of the following command:

    glxinfo | grep OpenGL
    


  • I'm getting following
    OpenGL vendor string: Intel Open Source Technology Center
    OpenGL renderer string: Mesa DRI Intel(R) Haswell Desktop
    OpenGL core profile version string: 3.3 (Core Profile) Mesa 17.2.8
    OpenGL core profile shading language version string: 3.30
    OpenGL core profile context flags: (none)
    OpenGL core profile profile mask: core profile
    OpenGL core profile extensions:
    OpenGL version string: 3.0 Mesa 17.2.8
    OpenGL shading language version string: 1.30
    OpenGL context flags: (none)
    OpenGL extensions:
    OpenGL ES profile version string: OpenGL ES 3.0 Mesa 17.2.8
    OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
    OpenGL ES profile extensions:



  • Could you please run the following command in the terminal and post it here:

    locate libOpenGL.so
    

    If you see in the result, for example, /usr/lib/x86_64-linux-gnu/libOpenGL.so but no libOpenGL.so.0, you will need to create a symlink.



  • Hi,
    Thank you for your reply.Could you please tell me how will I create a symlink.



  • Does the command locate libOpenGL.so show you libOpenGL.so or not?
    The symlink can be created in the terminal as follows:

    ln -s target linkname
    


  • After giving command 'locate libOpenGL.so' i'm not getting any output.



  • @Subhajig

    Could you, please, double-check whether libgl1-mesa-dev is installed:

    sudo apt-get install build-essential mesa-utils libgl1-mesa-dev
    

    Please, check the troubleshooting section of the SAMSON Installation guide.
    You can do a symlink to the libQt5OpenGL.so shipped together with SAMSON:

    ln -s $HOME/NANO-D/SAMSON/0.7.0/Binaries/SAMSONQtLibs/libQt5OpenGL.so $HOME/NANO-D/SAMSON/0.7.0/Binaries/SAMSONQtLibs/libOpenGL.so.0
    

    or you can install compiz and create symlink to its OpenGL:

    sudo apt-get install compiz-dev
    sudo ln -s /usr/lib/x86_64-linux-gnu/compiz/libopengl.so $HOME/NANO-D/SAMSON/0.7.0/Binaries/SAMSONQtLibs/libOpenGL.so.0
    


  • Hi
    Thank you for your help.It worked fine.But Now I have another problem.In SAMSON installer tab I 'm not able to write samson key after giving my email address,
    So installation is not being started.



  • Installation is done.


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