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   "cell_type": "code",
   "execution_count": null,
   "id": "93f59dcb-c588-41b8-a792-55d88ade739c",
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   "outputs": [],
   "source": [
    "# Download and run the Ollama Linux install script\n",
    "!curl -fsSL https://ollama.com/install.sh | sh\n",
    "!command -v systemctl >/dev/null && sudo systemctl stop ollama"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "658c147e-c7f8-490e-910e-62b80f577dda",
   "metadata": {},
   "outputs": [],
   "source": [
    "!pip install aiohttp pyngrok\n",
    "\n",
    "import os\n",
    "import asyncio\n",
    "from aiohttp import ClientSession\n",
    "\n",
    "# Set LD_LIBRARY_PATH so the system NVIDIA library becomes preferred\n",
    "# over the built-in library. This is particularly important for \n",
    "# Google Colab which installs older drivers\n",
    "os.environ.update({'LD_LIBRARY_PATH': '/usr/lib64-nvidia'})\n",
    "\n",
    "async def run(cmd):\n",
    "  '''\n",
    "  run is a helper function to run subcommands asynchronously.\n",
    "  '''\n",
    "  print('>>> starting', *cmd)\n",
    "  p = await asyncio.subprocess.create_subprocess_exec(\n",
    "      *cmd,\n",
    "      stdout=asyncio.subprocess.PIPE,\n",
    "      stderr=asyncio.subprocess.PIPE,\n",
    "  )\n",
    "\n",
    "  async def pipe(lines):\n",
    "    async for line in lines:\n",
    "      print(line.strip().decode('utf-8'))\n",
    "\n",
    "  await asyncio.gather(\n",
    "      pipe(p.stdout),\n",
    "      pipe(p.stderr),\n",
    "  )\n",
    "\n",
    "\n",
    "await asyncio.gather(\n",
    "    run(['ollama', 'serve']),\n",
    "    run(['ngrok', 'http', '--log', 'stderr', '11434']),\n",
    ")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e7735a55-9aad-4caf-8683-52e2163ba53b",
   "metadata": {},
   "source": [
    "The previous cell starts two processes, `ollama` and `ngrok`. The log output will show a line like the following which describes the external address.\n",
    "\n",
    "```\n",
    "t=2023-11-12T22:55:56+0000 lvl=info msg=\"started tunnel\" obj=tunnels name=command_line addr=http://localhost:11434 url=https://8249-34-125-179-11.ngrok.io\n",
    "```\n",
    "\n",
    "The external address in this case is `https://8249-34-125-179-11.ngrok.io` which can be passed into `OLLAMA_HOST` to access this instance.\n",
    "\n",
    "```bash\n",
    "export OLLAMA_HOST=https://8249-34-125-179-11.ngrok.io\n",
    "ollama list\n",
    "ollama run mistral\n",
    "```"
   ]
  }
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