free.linux.ipynb

free-linux.ipynb

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      "authorship_tag": "ABX9TyM4S8mVjhYmQnk1fqdnRgvz",
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      "name": "python3",
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      "name": "python"
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      "cell_type": "markdown",
      "metadata": {
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      "source": [
        "<a href=\"https://colab.research.google.com/gist/rwcitek/cfde9a50b90e9254edd883cd420f4598/free-linux.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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      "cell_type": "markdown",
      "source": [
        "# Free Linux Environments\n",
        "\n",
        "\n"
      ],
      "metadata": {
        "id": "84eFc6PsUdQV"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Motivation\n",
        "\n",
        "- History\n",
        "- Desktop\n",
        "- Learning/experimenting\n",
        "\n"
      ],
      "metadata": {
        "id": "3lvI4Gec3Ci1"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "## 1. Kaggle Notebooks\n"
      ],
      "metadata": {
        "id": "pLHMeNzZXC4u"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "Site: https://www.kaggle.com/learn\n",
        "\n"
      ],
      "metadata": {
        "id": "hVkKSgEWalRy"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "```\n",
        "print(\"hello world\")\n",
        "\n",
        "cat /etc/os-release\n",
        "df -hTPl\n",
        "\n",
        "%%bash\n",
        "ps faux\n",
        "\n",
        "perl -e \"print('hello world')\"\n",
        "\n",
        "%alias ps ps\n",
        "%alias perl perl\n",
        "%alias echo echo\n",
        "%alias id id\n",
        "%alias curl curl\n",
        "\n",
        "echo hello world\n",
        "\n",
        "id\n",
        "\n",
        "curl -I 'https://www.example.com'\n",
        "\n",
        "%%writefile hw.c\n",
        "#include <stdio.h>\n",
        "\n",
        "int main() {\n",
        "    printf(\"Hello, World!\\n\");\n",
        "    return 0;\n",
        "}\n",
        "\n",
        "ls -la\n",
        "\n",
        "!gcc hw.c -o hw\n",
        "\n",
        "!./hw\n",
        "\n",
        "\n",
        "```\n",
        "\n",
        "View > Show Console\n",
        "\n",
        "\n",
        "\n"
      ],
      "metadata": {
        "id": "mXN52UP6tJYN"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "### 🟢 Pros (Ease / Use Case)\n",
        "* **Very Easy:** Zero setup; click \"New Notebook\" and start coding.\n",
        "* **Community & Data:** Built-in access to a vast library of datasets and competitions.\n",
        "* **Free Hardware:** Free access to **GPU/TPU** (though limited usage quota).\n",
        "* **Simple Tasks:** Great for Python/R scripts and data analysis *within* the notebook format.\n",
        "\n"
      ],
      "metadata": {
        "id": "KSDhP-djXKrS"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "### 🔴 Cons (Linux Shell Limitations)\n",
        "* **Limited Shell Access:** No direct SSH. Terminal access is strictly for package management and diagnostics within the notebook session.\n",
        "* **Ephemeral:** The underlying Linux environment is cleaned up on session end.\n",
        "* **Pre-configured OS:** You cannot choose or deeply customize the Linux distribution.\n",
        "* **Not for General Use:** Cannot run background services, host a website, or perform persistent system-level tasks.\n"
      ],
      "metadata": {
        "id": "vGVoCHfGaCCJ"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "## 2. Google Colaboratory (Colab)\n",
        "\n",
        "\n"
      ],
      "metadata": {
        "id": "qbS-OWmgXSpY"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "Site: https://colab.research.google.com/\n"
      ],
      "metadata": {
        "id": "iwWIntSbxz0e"
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      "source": [
        "\n",
        "```\n",
        "print(\"hello world\")\n",
        "\n",
        "echo hello world\n",
        "\n",
        "cat /etc/os-release\n",
        "\n",
        "id\n",
        "\n",
        "git clone https://github.com/rwcitek/bash_customization.git\n",
        "source bash_customization/aliases/bash.bash_aliases\n",
        "\n",
        "df -hTPl\n",
        "\n",
        "mount | grep kaggle\n",
        "\n",
        "mount -o remount,rw /kaggle/input/\n",
        "\n",
        "date > /kaggle/input/zfoo\n",
        "\n",
        "ps faux\n",
        "\n",
        "perl -e 'print(\"hello world\\n\")'\n",
        "\n",
        "curl -I 'https://www.example.com'\n",
        "\n",
        "\n",
        "# Compiling a C program\n",
        "\n",
        "cat <<'eof' > hw.c\n",
        "#include <stdio.h>\n",
        "\n",
        "int main() {\n",
        "    printf(\"Hello, World!\\n\");\n",
        "    return 0;\n",
        "}\n",
        "eof\n",
        "\n",
        "ls -la\n",
        "\n",
        "gcc hw.c -o hw\n",
        "\n",
        "./hw\n",
        "\n",
        "# fork bomb\n",
        "fork() {\n",
        "  fork & fork\n",
        "}\n",
        "\n",
        "fork\n",
        "\n",
        "\n",
        "```\n",
        "\n",
        "Mounting Google Drive\n",
        "\n",
        "\n"
      ],
      "metadata": {
        "id": "BtkDql3-v2U0"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "### 🟢 Pros (Ease / Use Case)\n",
        "* **Very Easy:** Notebooks run instantly from a Google account; great integration with **Google Drive**.\n",
        "* **Learning/Exploring:** A perfect, throwaway environment to practice Linux commands and install packages using `apt`.\n",
        "* **Free Hardware:** Excellent free access to **GPUs** for short periods.\n",
        "* **Task Automation:** Easy to connect to external APIs and run Python-based automation scripts.\n",
        "\n"
      ],
      "metadata": {
        "id": "nsga3999XT1N"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "### 🔴 Cons (Shell/Access Limitations)\n",
        "* **No SSH (in Free Tier):** Shell commands are run by prefixing cells with `!` (e.g., `!ls`). No true persistent terminal/shell session.\n",
        "* **Ephemeral:** The VM is terminated after inactivity/time limit.\n",
        "* **Paid for Terminal:** True Linux terminal access via the UI is a feature of the **Colab Pro** paid tiers.\n",
        "* **Isolated:** Not designed for hosting continuous services or complex network configuration.\n",
        "\n",
        "\n"
      ],
      "metadata": {
        "id": "dLd51EMpaFMv"
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    },
    {
      "cell_type": "markdown",
      "source": [
        "## 3. GitHub Codespaces\n",
        "\n"
      ],
      "metadata": {
        "id": "lgl9t0ddXVUw"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "Sites:\n",
        "- https://github.com/codespaces\n",
        "- https://github.com/rwcitek/bash.scripting.codespaces/tree/jupyter\n",
        "\n"
      ],
      "metadata": {
        "id": "sKHTqTv83V4n"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "Choose blank\n",
        "VS Code\n",
        "Expand terminal\n",
        "\n",
        "```\n",
        "ls -la\n",
        "\n",
        "id\n",
        "\n",
        "echo hello world\n",
        "\n",
        "cat /etc/os-release\n",
        "\n",
        "git clone https://github.com/rwcitek/bash_customization.git\n",
        "source bash_customization/aliases/bash.bash_aliases\n",
        "\n",
        "df -hTPl\n",
        "\n",
        "ps faux\n",
        "\n",
        "perl -e 'print(\"hello world\\n\")'\n",
        "\n",
        "curl -I 'https://www.example.com'\n",
        "\n",
        "\n",
        "# Compiling C programs\n",
        "\n",
        "cat <<'eof' > hw.c\n",
        "#include <stdio.h>\n",
        "\n",
        "int main() {\n",
        "    printf(\"Hello, World!\\n\");\n",
        "    return 0;\n",
        "}\n",
        "eof\n",
        "\n",
        "ls -la\n",
        "\n",
        "gcc hw.c -o hw\n",
        "\n",
        "./hw\n",
        "\n",
        "# Docker\n",
        "\n",
        "docker container list -a\n",
        "\n",
        "docker container run --rm -it fedora /bin/bash\n",
        "\n",
        "# fork bomb\n",
        "fork() {\n",
        "  fork & fork\n",
        "}\n",
        "\n",
        "fork\n",
        "\n",
        "\n",
        "```\n"
      ],
      "metadata": {
        "id": "EHqLA8hu5wKl"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "### 🟢 Pros (Ease / Use Case)\n",
        "* **Easy Setup:** Spin up a full environment from any GitHub repository with a single click.\n",
        "* **Development Environment:** Full **Visual Studio Code (VS Code) IDE** in the browser with integrated terminal access.\n",
        "* **Full Customization:** Uses `devcontainer.json` to define the Linux base image and software.\n",
        "* **Web Hosting/Testing:** Easy **port forwarding** allows you to run a simple web server and view it in your browser.\n",
        "\n"
      ],
      "metadata": {
        "id": "BJpN42tXXWMy"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "### 🔴 Cons (Limitations)\n",
        "* **Hourly Free Quota:** While there is a generous free tier, you are charged for usage beyond that.\n",
        "* **Git-Focused:** Best suited for projects tied to a GitHub repository.\n",
        "* **Ephemeral:** While data persists across sessions, the underlying VM may be stopped/deleted after an inactivity timeout.\n",
        "* **Not for Production:** Not intended to run 24/7 production-level services.\n",
        "\n"
      ],
      "metadata": {
        "id": "4v-1b86GaJiq"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "## 4. Others\n",
        "\n",
        "- AWS ( free tier )\n",
        "  - Cloud9\n",
        "  - Sagemaker\n",
        "- Digital Ocean ( new user free credits )\n",
        "- GCP ( new user free credits )\n",
        "- Azuer ( new user free credits )"
      ],
      "metadata": {
        "id": "D-xvQ7uKXYWv"
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