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1. Stop the server (see Starting and stopping the Axxon One Server in Linux OS).
   

   Note
   title Attention!
   If the system has the software running on GPU, it is necessary to stop its operation.

2. Login as ngp superuser:

   1. In the command prompt, run the command:

      Code Block
      language bash
      sudo su ngp

   2. Enter the password for the root superuser.

3. Create a folder with a custom name to store the cache. For example:

   Code Block
   language bash
   mkdir /opt/AxxonSoft/AxxonOne/gpucache

4. Change folder permissions:

   Code Block
   language bash
   chmod -R 777 /opt/AxxonSoft/AxxonOne/gpucache

5. Info

   title	Note

   For the 

   Create the GPU_CACHE_DIR system variable:

   Go to the /opt/AxxonSoft/AxxonOne/ folder:

   Code Block
   language bash
   cd /opt/AxxonSoft/AxxonOne

   system variable (see Creating system variables for the Axxon One server in

   the failover mode, go to the /etc/AxxonSoft/AxxonOne/ directory.

6. Open the instance.conf file for editing:

   Code Block
   language bash
   nano instance.conf

7. Add the following line to the file:

   Code Block
   language bash
   export GPU_CACHE_DIR="/opt/AxxonSoft/AxxonOne/gpucache"

   Note
   title Attention!
   If you change the server configuration (see Changing the configuration of the Axxon One Server in Linux OS) or update to a new version of Axxon One, the system variables previously added to the instance.conf file will be deleted (see Creating system variables in Linux OS).

8. Save the file using the Ctrl+O keyboard shortcut.

Exit file editing mode using the Ctrl+X keyboard shortcut

Linux OS, Creating system variables for the Axxon One server in the failover mode in Linux OS).

9. Run the following command in the terminal:

   Code Block
   language bash
   export GPU_CACHE_DIR="/opt/AxxonSoft/AxxonOne/gpucache"

10. Go to the /opt/AxxonSoft/DetectorPack/ folder:

    Code Block
    language bash
    cd /opt/AxxonSoft/DetectorPack

11. Run the following command:

    Code Block
    language bash
    ./NeuroPackGpuCacheGenerator

    Note
    title Attention!
    If more than one Nvidia GPU is available, you will be able to select one. To do this, specify a number from 0 to 3 which corresponds to the required device in the list.

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