{ "cells": [ { "cell_type": "code", "execution_count": 1, "id": "458d90bc", "metadata": { "editable": true, "slideshow": { "slide_type": "" }, "tags": [ "remove-cell", "remove_cell" ] }, "outputs": [], "source": [ "my_notebook_text = \"\"\"\n", "## Homework 5: ssh, scp, rsync\n", "\n", "Due Date: Tuesday, October 6, 2026\n", "\n", "1. Log into your Virtual Desktop (VD).\n", "2. Create a working directory named `HW_5`:\n", " ```bash\n", " mkdir HW_5\n", " cd HW_5\n", " ```\n", "3. Inside the `HW_5` directory, create a file named `README`.\n", "4. Document all commands used to complete the following exercises inside your `README` file.\n", "\n", "#### Make SSH service working on both `master` and `n01`:\n", "\n", "Remove the SSH password authentication restriction configuration file:\n", "```bash\n", "sudo rm /etc/ssh/sshd_config.d/60-cloudimg-settings.conf\n", "```\n", "\n", "Restart SSH service:\n", "```bash\n", "sudo systemctl restart sshd\n", "```\n", "\n", "#### Using SSH, scp and rsync\n", "- Set private/public SSH key authentication for user hostadm to SSH between ```master``` and ```n01```.\n", "\n", "- Have user hostadm to download deb package ```vim``` on ```master```.\n", "\n", "Extract the deb file content into new directory VIM.\n", "\n", "- By using recursive ```scp``` (option ```-r```), copy subdirectory ```doc``` from VIM/usr/share to the home directory of user hostadm on ```n01```.\n", "\n", "- By using ```rsync```, copy the subdirectory ```doc``` to /tmp directory on ```n01```.\n", "\"\"\"" ] }, { "cell_type": "code", "execution_count": 2, "id": "d859f328-3b8b-478d-a4fe-d36d1d83de1e", "metadata": { "editable": true, "slideshow": { "slide_type": "" }, "tags": [ "remove-cell", "remove_cell" ] }, "outputs": [ { "name": "stderr", "output_type": "stream", "text": [ "Both GOOGLE_API_KEY and GEMINI_API_KEY are set. Using GOOGLE_API_KEY.\n" ] }, { "name": "stdout", "output_type": "stream", "text": [ "## Homework 5: ssh, scp, rsync\n", "\n", "Due Date: Tuesday, October 6, 2026\n", "\n", "```text\n", "[Web access to Ravada portal with authentication] ===> [Start VM] ===> [Access VM via SSH with provided port]\n", "```\n", "\n", "1. Log into your Virtual Desktop (VD).\n", "2. Create a working directory named `HW_5`:\n", " ```bash\n", " mkdir HW_5\n", " cd HW_5\n", " ```\n", "3. Inside the `HW_5` directory, create a file named `README`.\n", "4. Document all commands used to complete the following exercises inside your `README` file.\n", "\n", "### Make SSH service working on both `master` and `n01`\n", "\n", "Remove the SSH password authentication restriction configuration file:\n", "```bash\n", "sudo rm /etc/ssh/sshd_config.d/60-cloudimg-settings.conf\n", "```\n", "\n", "Restart the SSH service:\n", "```bash\n", "sudo systemctl restart sshd\n", "```\n", "\n", "### Using SSH, scp, and rsync\n", "\n", "- Set private/public SSH key authentication for user `hostadm` to enable SSH access between `master` and `n01`.\n", "- Have user `hostadm` download the `vim` `.deb` package on `master`.\n", "- Extract the `.deb` file contents into a new directory named `VIM`.\n", "- Using recursive `scp` (with the `-r` option), copy the subdirectory `doc` from `VIM/usr/share` to the home directory of user `hostadm` on `n01`.\n", "- Using `rsync`, copy the subdirectory `doc` to the `/tmp` directory on `n01`.\n" ] } ], "source": [ "import os\n", "import time\n", "import base64 \n", "from google import genai\n", "from google.genai.errors import APIError\n", "\n", "os.environ[\"GEMINI_API_KEY\"] = \"AQ.Ab8RN6K9G5S-h6IWgpUgfmHbIk7b8iZlWTuYptMFqOT4Ph6FnQ\"\n", "client = genai.Client()\n", "\n", "# Use triple quotes \"\" \" so you can paste long paragraphs easily!\n", "\n", "prompt_instructions_simple = f\"Rewrite this text for a university course. Make it clear and write WCAG 2.1 AA compliant alt text descriptions for any charts mentioned: {my_notebook_text}\"\n", " \n", "\n", "\n", "\n", "prompt_instructions_detailed5 = (\n", " \"You are processing raw course text meant for Jupyter Notebook markdown cells.\\n\\n\"\n", " \n", " \"CRITICAL RULE: Do NOT delete, alter, or remove any original image links, image paths, \"\n", " \"or image tags (e.g., lines starting with `![...](...)` or containing ``). \"\n", " \"Leave them exactly where they are in the original text sequence.\\n\\n\"\n", " \n", " \"INSTRUCTION:\\n\"\n", " \"Rewrite the text to make it clear and university-appropriate.Make it clear and write WCAG 2.1 AA compliant. Use the following strict sequence \"\n", " \"when dealing with image placements:\\n\\n\"\n", " \n", " \"1. First, insert the NEW Text-Based Structured Alternative ABOVE the image:\\n\"\n", " \" - For numerical data charts or grid plots: Provide a clean Markdown Data Table.\\n\"\n", " \" - For hardware architecture, network layouts, or OS Process lifecycles (like fork(), process states, execution threads): \"\n", " \"Provide a high-level text flowchart inside a preformatted ```text code block.\\n\"\n", " \" - For Terminal Commands or Pipelines (like stdin/stdout piping, shell interactions): \"\n", " \"Provide a vertical box-and-arrow sequence map illustrating data flow from one utility to the next.\\n\"\n", " \" - Keep diagram characters perfectly aligned and compatible with static HTML page exports.\\n\\n\"\n", " \" - CRITICAL RULE FOR VIRTUAL DESKTOP LOGIN CONTEXT:\\n\"\n", " \" If the text or diagram is about logging into the Virtual Desktop or using Ravada, \"\n", " \"the text diagram sequence MUST start exactly with this workflow path:\\n\"\n", " \" [Web access to Ravada portal with authentication] ===> [Start VM] ===> [Access VM via SSH with provided port]\\n\\n\"\n", " \n", " \"2. Second, place the ORIGINAL untouched image link exactly as it was.\\n\\n\"\n", " \n", " \"3. Third, immediately BELOW the original image link, add the Comprehensive Detailed Description:\\n\"\n", " \"Inside this caption block, you MUST start with the exact text '**Accessible Image Description:**'. Place it always under the image.\"\n", " \" - Overview: One sentence describing what the visual shows at a high level.\\n\"\n", " \" - Setup: Explain the primary components, labels, axes, or code pathways without hyper-granular specs.\\n\"\n", " \" - Key Takeaways: Core conceptual trends or execution results shown.\\n\\n\"\n", "\n", " f\"Course Text:\\n{my_notebook_text}\"\n", ")\n", "prompt_instructions = prompt_instructions_detailed5\n", "\n", "# Trying the 2.5-flash model which often has lower server congestion\n", "try:\n", " response = client.models.generate_content(\n", " model='models/gemini-3.5-flash-lite',\n", " contents= prompt_instructions,\n", " )\n", "\n", " #print(response.text)\n", "\n", " output_text = response.text\n", " print(output_text)\n", " \n", " # --- THE MAGIC TRICK ---\n", " # This forces Jupyter to create a new cell below and paste the AI response inside it!\n", " #get_ipython().set_next_input(response.text)\n", " \n", "except APIError as e:\n", " if e.code == 503:\n", " print(\"Servers are still busy. Waiting 5 seconds before a quick automatic retry...\")\n", " time.sleep(5)\n", " # Automatic second attempt\n", " response = client.models.generate_content(\n", " model='models/gemini-3.5-flash-lite',\n", " contents= prompt_instructions,\n", " )\n", " print(response.text)\n", " # --- THE MAGIC TRICK ---\n", " # This forces Jupyter to create a new cell below and paste the AI response inside it!\n", " #get_ipython().set_next_input(response.text)\n", " else:\n", " raise e\n" ] }, { "cell_type": "markdown", "id": "e0a52933-2fec-44c2-850c-f4904f3ec06f", "metadata": { "editable": true, "slideshow": { "slide_type": "" }, "tags": [] }, "source": [ "## Homework 5: ssh, scp, rsync\n", "\n", "Due Date: Tuesday, October 6, 2026\n", "\n", "```text\n", "[Web access to Ravada portal with authentication] ===> [Start VM] ===> [Access VM via SSH with provided port]\n", "```\n", "\n", "1. Log into your Virtual Desktop (VD).\n", "2. Create a working directory named `HW_5`:\n", " ```bash\n", " mkdir HW_5\n", " cd HW_5\n", " ```\n", "3. Inside the `HW_5` directory, create a file named `README`.\n", "4. Document all commands used to complete the following exercises inside your `README` file.\n", "\n", "### Make SSH service working on both `master` and `n01`\n", "\n", "Remove the SSH password authentication restriction configuration file:\n", "```bash\n", "sudo rm /etc/ssh/sshd_config.d/60-cloudimg-settings.conf\n", "```\n", "\n", "Restart the SSH service:\n", "```bash\n", "sudo systemctl restart sshd\n", "```\n", "\n", "### Using SSH, scp, and rsync\n", "\n", "- Set private/public SSH key authentication for user `hostadm` to enable SSH access between `master` and `n01`.\n", "- Have user `hostadm` download the `vim` `.deb` package on `master`.\n", "- Extract the `.deb` file contents into a new directory named `VIM`.\n", "- Using recursive `scp` (with the `-r` option), copy the subdirectory `doc` from `VIM/usr/share` to the home directory of user `hostadm` on `n01`.\n", "- Using `rsync`, copy the subdirectory `doc` to the `/tmp` directory on `n01`." ] }, { "cell_type": "code", "execution_count": null, "id": "a29ec403-ff7e-42a6-8d74-54b0473ae24e", "metadata": { "editable": true, "slideshow": { "slide_type": "" }, "tags": [] }, "outputs": [], "source": [] } ], "metadata": { "kernelspec": { "display_name": "Python 3 (ipykernel)", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.13.11" } }, "nbformat": 4, "nbformat_minor": 5 }