Use google colab as a remote machine with the help of ngrok, vnc server and xface desktop you can change the configurations and desktop environment as you please it's just a start

colab_xface_vnc.ipynb

{
  "nbformat": 4,
  "nbformat_minor": 0,
  "metadata": {
    "colab": {
      "name": "colab_xface_vnc",
      "version": "0.3.2",
      "provenance": [],
      "include_colab_link": true
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    },
    "accelerator": "GPU"
  },
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "view-in-github",
        "colab_type": "text"
      },
      "source": [
        "<a href=\"https://colab.research.google.com/gist/ahmedengu/9c04165fc303aebc8a5a2360234b28bf/colab_xface_vnc.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
      ]
    },
    {
      "metadata": {
        "id": "jPXzrd3sbE8I",
        "colab_type": "text"
      },
      "cell_type": "markdown",
      "source": [
        "* Enable colab GPU\n",
        "* Set ngrok auth below\n",
        "* Run all"
      ]
    },
    {
      "metadata": {
        "id": "Uys7SO6pOod_",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 217
        },
        "outputId": "56b71ba8-af90-4b4b-dbe3-dbbe2db3d716"
      },
      "cell_type": "code",
      "source": [
        "# install xface\n",
        "!apt install xfce4 xfce4-goodies\n",
        "# install vnc server\n",
        "!apt install vnc4server\n",
        "# install 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",
        "# configure\n",
        "!printf \"#!/bin/bash\\nstartxfce4 &\" > ~/.vnc/xstartup\n",
        "!chmod +x ~/.vnc/xstartup"
      ],
      "execution_count": 4,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "Reading package lists... Done\n",
            "Building dependency tree       \n",
            "Reading state information... Done\n",
            "xfce4 is already the newest version (4.12.4).\n",
            "xfce4-goodies is already the newest version (4.12.4).\n",
            "0 upgraded, 0 newly installed, 0 to remove and 10 not upgraded.\n",
            "Reading package lists... Done\n",
            "Building dependency tree       \n",
            "Reading state information... Done\n",
            "vnc4server is already the newest version (4.1.1+xorg4.3.0-37.3ubuntu2).\n",
            "0 upgraded, 0 newly installed, 0 to remove and 10 not upgraded.\n"
          ],
          "name": "stdout"
        }
      ]
    },
    {
      "metadata": {
        "id": "GUcnbVDyPbU4",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 54
        },
        "outputId": "f6f7037f-9037-4615-81dc-ca7dfe491575"
      },
      "cell_type": "code",
      "source": [
        "# set the password, max 8 chars\n",
        "!vncpasswd"
      ],
      "execution_count": 5,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "Password:\n",
            "Verify:\n"
          ],
          "name": "stdout"
        }
      ]
    },
    {
      "metadata": {
        "id": "J9tPozpmRf2l",
        "colab_type": "code",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 318
        },
        "outputId": "07e1e138-d3f1-4566-da29-47a8efe5e821"
      },
      "cell_type": "code",
      "source": [
        "# set ngrok auth and run forever\n",
        "NGROK_AUTH = \"\"\n",
        "VNC_PORT = 5901\n",
        "\n",
        "from time import sleep\n",
        "from IPython.display import clear_output\n",
        "import requests\n",
        "import json\n",
        "\n",
        "# keep everything running\n",
        "i=0\n",
        "while True:\n",
        "  try:\n",
        "    # start vnc server\n",
        "    if len(get_ipython().getoutput('ps -ef | grep vnc')) <= 2:\n",
        "      get_ipython().system_raw('vnc4server -httpport $VNC_PORT &')\n",
        "      sleep(5)\n",
        "  \n",
        "    ngrok_link = json.loads(requests.get('http://localhost:4040/api/tunnels').text)['tunnels'][0]['public_url']\n",
        "    print(ngrok_link)\n",
        "    sleep(30)\n",
        "    requests.get(ngrok_link)\n",
        "  except (KeyboardInterrupt, SystemExit):\n",
        "      raise\n",
        "  except:\n",
        "    # create ngrok port\n",
        "    get_ipython().system_raw('./ngrok authtoken $NGROK_AUTH && ./ngrok tcp $VNC_PORT &')\n",
        "  i+=1\n",
        "  if i >=5:\n",
        "    clear_output(wait=True)\n",
        "    i=0\n"
      ],
      "execution_count": 6,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "tcp://0.tcp.ngrok.io:10721\n",
            "tcp://0.tcp.ngrok.io:10721\n",
            "tcp://0.tcp.ngrok.io:10721\n"
          ],
          "name": "stdout"
        },
        {
          "output_type": "error",
          "ename": "KeyboardInterrupt",
          "evalue": "ignored",
          "traceback": [
            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
            "\u001b[0;31mKeyboardInterrupt\u001b[0m                         Traceback (most recent call last)",
            "\u001b[0;32m<ipython-input-6-a9abdbc36a9f>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m     18\u001b[0m     \u001b[0mngrok_link\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mjson\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mloads\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mrequests\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'http://localhost:4040/api/tunnels'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtext\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m'tunnels'\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m'public_url'\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     19\u001b[0m     \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mngrok_link\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 20\u001b[0;31m     \u001b[0msleep\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m30\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     21\u001b[0m     \u001b[0mrequests\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mngrok_link\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     22\u001b[0m   \u001b[0;32mexcept\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0mKeyboardInterrupt\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mSystemExit\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
            "\u001b[0;31mKeyboardInterrupt\u001b[0m: "
          ]
        }
      ]
    }
  ]
}