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Transfer files between your local machine and Thunder Compute instances. You can upload files to an instance or download files from it. Use the scp command to transfer files: 
tnr scp <source_path> <destination_path>

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Path Format

  • Remote paths: instance_id:path (e.g., 0:/home/user/data)
  • Local paths: Standard paths (e.g., ./data or /home/user/file.txt)
Each transfer must include exactly one remote path and one local path.

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Upload to Instance

tnr scp ./local_file.txt 0:/home/user/

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Download from Instance

tnr scp 0:/home/user/results.csv ./downloads/

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Transfer Directories

To transfer entire directories, use the recursive flag: 
# Upload a directory
tnr scp -r ./my_project 0:/home/user/

# Download a directory
tnr scp -r 0:/home/user/outputs ./local_outputs/
File transfers have a 60-second connection timeout. SSH key setup, compression, and ~/ expansion are handled automatically.

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Best Practices

  • Compress large transfers: Zip files before transferring to reduce time
  • Use cloud storage for big files: For datasets over a few GB, upload to cloud storage and download directly to your instance
  • Back up important outputs: Always download critical results before deleting an instance