code: def _get_service_file_content(self):
      argv = sys.argv
      # assert len(argv) == 2
      # assert argv[1] == 'monitor'
      lines = [
          "[Unit]",
          "Description=labml.ai monitoring service",
          "After=network.target",
          "",
          "[Service]",
          "Type=simple",
          f"ExecStart={argv[0]} service-run",
          "Restart=always",
          "",
          "[Install]",
          "WantedBy=default.target",
      ]
  
      return "\n".join(lines)
  
file_path: labml/client/labml/internal/computer/service.py
imports: import os
  import sys
  from typing import Optional
  from labml import logger, monit
  from labml.logger import Text
label_desc: Use image node_id 2 for calling the Service obj's underlying member method code with example usage: obj._get_service_file_content() and returns: str