How can I ssh to google colaboratory VM?

How can I ssh to google colaboratory VM.ipynb

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  "metadata": {
    "colab": {
      "name": "Untitled1.ipynb",
      "version": "0.3.2",
      "provenance": [],
      "include_colab_link": true
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    }
  },
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "view-in-github",
        "colab_type": "text"
      },
      "source": [
        "<a href=\"https://colab.research.google.com/gist/Extrodox/264d95381e14e8b82c4e6fd56d66a94a/untitled1.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "fwf6kmq7LunX",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 87
        },
        "outputId": "8a7341fb-6894-4698-e8e3-5d9f3ce633ca"
      },
      "source": [
        "import random, string, urllib.request, json, getpass\n",
        "\n",
        "#Generate root password\n",
        "password = ''.join(random.choice(string.ascii_letters + string.digits) for i in range(20))\n",
        "\n",
        "#Download ngrok\n",
        "! wget -q -c -nc https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-amd64.zip\n",
        "! unzip -qq -n ngrok-stable-linux-amd64.zip\n",
        "\n",
        "#Setup sshd\n",
        "! apt-get install -qq -o=Dpkg::Use-Pty=0 openssh-server pwgen > /dev/null\n",
        "\n",
        "#Set root password\n",
        "! echo root:$password | chpasswd\n",
        "! mkdir -p /var/run/sshd\n",
        "! echo \"PermitRootLogin yes\" >> /etc/ssh/sshd_config\n",
        "! echo \"PasswordAuthentication yes\" >> /etc/ssh/sshd_config\n",
        "! echo \"LD_LIBRARY_PATH=/usr/lib64-nvidia\" >> /root/.bashrc\n",
        "! echo \"export LD_LIBRARY_PATH\" >> /root/.bashrc\n",
        "\n",
        "#Run sshd\n",
        "get_ipython().system_raw('/usr/sbin/sshd -D &')\n",
        "\n",
        "#Ask token\n",
        "print(\"Copy authtoken from https://dashboard.ngrok.com/auth\")\n",
        "authtoken = getpass.getpass()\n",
        "\n",
        "#Create tunnel\n",
        "get_ipython().system_raw('./ngrok authtoken $authtoken && ./ngrok tcp 22 &')\n",
        "\n",
        "#Get public address and print connect command\n",
        "with urllib.request.urlopen('http://localhost:4040/api/tunnels') as response:\n",
        "  data = json.loads(response.read().decode())\n",
        "  (host, port) = data['tunnels'][0]['public_url'][6:].split(':')\n",
        "  print(f'SSH command: ssh -p{port} root@{host}')\n",
        "\n",
        "#Print root password\n",
        "print(f'Root password: {password}')"
      ],
      "execution_count": 2,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "Copy authtoken from https://dashboard.ngrok.com/auth\n",
            "··········\n",
            "SSH command: ssh -p16968 [email protected]\n",
            "Root password: 0IAb6dVtDlRqAceg53QG\n"
          ],
          "name": "stdout"
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "vlfSmJ3gL9MD",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        ""
      ],
      "execution_count": 0,
      "outputs": []
    }
  ]
}