Ubuntu 18.10 Houdini 17.0.459 does not see my Nvidia card (SOLVED)

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I have this problem: i just installed Houdini 17.0.459 on Ubuntu but even after upgrading to version 415 of the Nvidia drivers with the ubuntu-drivers utility, Houdini still does not see at all the card. This is the output of the hgpuinfo command
OpenGL Vendor:            Intel Open Source Technology Center
OpenGL Renderer:          Mesa DRI Intel(R) HD Graphics 630 (Kaby Lake GT2) 
OpenGL Version:           4.5 (Core Profile) Mesa 18.2.2
OpenGL Shading Language:  4.50
Detected:                 Mesa Consumer
                          Unknown VRAM
                          18.2.2.0

Supported Extensions not in OpenGL 3.3 (Version):
    GLX_SGI_swap_control                   
    GL_ARB_base_instance                    (4.2)
    GL_ARB_buffer_storage                   (4.4)
    GL_ARB_compute_shader                   (4.3)
    GL_ARB_debug_output                    
    GL_ARB_gpu_shader5                      (4.0)
    GL_ARB_gpu_shader_fp64                  (4.0)
    GL_ARB_multi_bind                       (4.4)
    GL_ARB_program_interface_query          (4.3)
    GL_ARB_robustness                      
    GL_ARB_sample_shading                   (4.0)
    GL_ARB_separate_shader_objects          (4.1)
    GL_ARB_shader_image_load_store          (4.2)
    GL_ARB_shader_storage_buffer_object     (4.3)
    GL_ARB_shading_language_packing         (4.2)
    GL_ARB_tessellation_shader              (4.0)
    GL_ARB_texture_buffer_object_rgb32      (4.0)
    GL_ARB_texture_filter_anisotropic       (4.6)
    GL_ARB_transform_feedback3              (4.0)
    GL_ARB_vertex_attrib_64bit              (4.1)
    GL_EXT_abgr                            
    GL_KHR_debug                            (4.3)

Unsupported OpenGL Extensions used by Houdini:
    EXT_extensions_string                  
    GL_ARB_bindless_texture                
    GL_ARB_bindless_texture                
    GL_ARB_compatibility                   
    GL_ATI_meminfo                         
    GL_EXT_blend_minmax                    
    GL_EXT_direct_state_access             
    GL_NVX_gpu_memory_info                 
    GL_NV_gpu_shader5                      
 
OpenGL Limits:
   ELEMENTS_VERTICES                        3000
   ELEMENTS_INDICES                         3000
   VERTEX_UNITS                             32
   TESS_CONTROL_TEXTURE_IMAGE_UNITS         32
   TESS_EVALUATION_TEXTURE_IMAGE_UNITS      32
   GEOMETRY_UNITS                           32
   FRAGMENT_IMAGE_UNITS                     32
   COMBINED_UNITS                           192
   TEXTURE_SIZE                             16384
   3D_TEXTURE_SIZE                          2048
   CUBE_MAP_TEXTURE_SIZE                    16384
   RECTANGLE_TEXTURE_SIZE                   16384
   TEXTURE_ARRAY_LAYERS                     2048
   MAX_COLOR_TEXTURE_SAMPLES                16
   MAX_DEPTH_TEXTURE_SAMPLES                16
   FBO_ATTACHMENTS                          8
   DRAW_BUFFERS                             8
   VIEWPORT_DIMS                            32768x32768
   VERTEX_UNIFORMS                          16384
   FRAGMENT_UNIFORMS                        16384
   VERTEX_ATTRIBS                           16
   VERTEX_OUTPUT_COMPONENTS                 128
   MAX_CLIP_DISTANCES                       8
   PATCH_VERTICES                           32
   TESS_GEN_LEVEL                           64
   TESS_PATCH_COMPONENTS                    120
   TESS_CONTROL_OUTPUT_COMPONENTS           128
   TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS     4096
   TESS_EVALUATION_OUTPUT_COMPONENTS        128
   GEOMETRY_UNIFORM_COMPONENTS              16384
   GEOMETRY_INPUT_COMPONENTS                128
   GEOMETRY_OUTPUT_COMPONENTS               128
   GEOMETRY_TOTAL_OUTPUT_COMPONENTS         1024
   GEOMETRY_OUTPUT_VERTICES                 256
   UNIFORM_BLOCKS                           84
   UNIFORM_BLOCK_SIZE                       65536
   UNIFORM_BUFFER_BINDINGS                  84
   COMBINED_VERT_UNIFORM_BLOCKS             14
   COMBINED_VERT_UNIFORM_COMPS              245760
   TESS_CONTROL_UNIFORM_BLOCKS              14
   TESS_CONTROL_UNIFORM_COMPONENTS          16384
   TESS_EVALUATION_UNIFORM_BLOCKS           14
   TESS_EVALUATION_UNIFORM_COMPONENTS       16384
   COMBINED_GEO_UNIFORM_BLOCKS              14
   COMBINED_GEO_UNIFORM_COMPS               245760
   COMBINED_FRAG_UNIFORM_BLOCKS             14
   COMBINED_FRAG_UNIFORM_COMPS              245760
   MAX_FRAGMENT_STORAGE_BLOCKS              12
   MAX_STORAGE_BLOCK_BINDINGS               72
   TRANSFORM_FEEDBACK_INT_COMPS             64
   TRANSFORM_FEEDBACK_SEP_COMPS             16
   TRANSFORM_FEEDBACK_SEP_ATTRIBS           4
   LINE_WIDTH_RANGE                         1 - 7.375
   LINE_WIDTH_GRANULARITY                   0.125
   POINT_SIZE_RANGE                         1 - 255
   POINT_SIZE_GRANULARITY                   1
No OpenCL platform has the specified device type (HOUDINI_OCL_DEVICETYPE): GPU.  Falling back to built-in CPU OpenCL driver.


[*HFS OpenCL Platform*]   Intel(R) OpenCL
Platform Vendor           Intel(R) Corporation
Platform Version          OpenCL 1.2 LINUX
OpenCL Device             Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
OpenCL Type               CPU
Device Version            OpenCL 1.2 (Build 37)
Frequency                 2800 MHz
Compute Units             8
Device Address Bits       64
Global Memory             32032 MB
Max Allocation            8008 MB
Global Cache              256 KB
Max Constant Args         480
Max Constant Size         128 KB
Local Mem Size            32 KB
2D Image Support          16384x16384
3D Image Support          2048x2048x2048

What can i do? Did I forget to add something somewhere? Please help
Edited by RiccardoT - 2019年1月17日 17:24:46
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Are you sure that drivers are loaded? What says About section of Ubuntu?
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Solved it, I forgot to update the MOK key, so when the system was restarted the driver was not loaded
Edited by RiccardoT - 2019年1月17日 17:24:06
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