{ "cells": [ { "cell_type": "code", "execution_count": 3, "id": "5a3f09e7-6178-4c0d-b9e0-379357e894b3", "metadata": { "editable": true, "slideshow": { "slide_type": "" }, "tags": [ "remove_cell", "remove-cell" ] }, "outputs": [], "source": [ "my_notebook_text = \"\"\"\n", "# Homework 4: Ubuntu network config and ipcalc.\n", "\n", "Due Date: Tuesday, September 29, 2026\n", "\n", "1. Log into your Virtual Desktop (VD).\n", "2. Create a working directory named `HW_4`:\n", " ```bash\n", " mkdir HW_4\n", " cd HW_4\n", " ```\n", "3. Inside the `HW_4` directory, create a file named `README`.\n", "4. Document all commands used to complete the following exercises inside your `README` file.\n", "\n", "\n", "## Ubuntu network configuration.\n", "\n", "- Modify the network settings of `netplan` VM to change the IP address to 192.168.122.192. Post the updated yaml file in the README.\n", "- Modify the network settings of `netplan` VM to configure them on DHCP. Post the updated yaml file in the README.\n", "\n", "\n", "## Using ipcalc for network calculations.\n", "\n", "- Complete exercise 4.17 to have ```ipcalc``` installed on your VD.\n", "- We have the following IP addresses and netmasks:\n", " 170.15.25.34/27\n", " 170.15.25.192/27\n", " 170.15.25.100/27\n", " 138.10.10.1/25\n", " 138.10.10.15/25\n", " 138.10.10.250/25\n", " A) How many subnets do we have?\n", " B) Which of the IP addresses belong to the same subnet?\n", "\"\"\"\n" ] }, { "cell_type": "code", "execution_count": 5, "id": "d6361d6c-6e26-4a3d-8a09-87f40151852d", "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 4: Ubuntu Network Configuration and `ipcalc`\n", "\n", "**Due Date:** Tuesday, September 29, 2026\n", "\n", "1. Log into your Virtual Desktop (VD).\n", "2. Create a working directory named `HW_4`:\n", " ```bash\n", " mkdir HW_4\n", " cd HW_4\n", " ```\n", "3. Inside the `HW_4` directory, create a file named `README`.\n", "4. Document all commands used to complete the following exercises inside your `README` file.\n", "\n", "## Ubuntu Network Configuration\n", "\n", "- Modify the network settings of the `netplan` Virtual Machine (VM) to change the static IP address to `192.168.122.192`. Post the updated YAML configuration file contents in your `README`.\n", "- Modify the network settings of the `netplan` VM to configure them for Dynamic Host Configuration Protocol (DHCP). Post the updated YAML configuration file contents in your `README`.\n", "\n", "## Using `ipcalc` for Network Calculations\n", "\n", "- Complete exercise 4.17 to ensure `ipcalc` is installed on your Virtual Desktop.\n", "- Given the following IP addresses and netmasks:\n", " - `170.15.25.34/27`\n", " - `170.15.25.192/27`\n", " - `170.15.25.100/27`\n", " - `138.10.10.1/25`\n", " - `138.10.10.15/25`\n", " - `138.10.10.250/25`\n", "\n", " **A)** How many subnets do we have? \n", " **B)** Which of the IP addresses belong to the same subnet?\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": "41a6f33b-8ed3-41b8-ae91-c5b69b5e536f", "metadata": { "editable": true, "slideshow": { "slide_type": "" }, "tags": [] }, "source": [ "# Homework 4: Ubuntu Network Configuration and `ipcalc`\n", "\n", "**Due Date:** Tuesday, September 29, 2026\n", "\n", "1. Log into your Virtual Desktop (VD).\n", "2. Create a working directory named `HW_4`:\n", " ```bash\n", " mkdir HW_4\n", " cd HW_4\n", " ```\n", "3. Inside the `HW_4` directory, create a file named `README`.\n", "4. Document all commands used to complete the following exercises inside your `README` file.\n", "\n", "\n", "## Ubuntu Network Configuration\n", "\n", "- Modify the network settings of the `netplan` Virtual Machine (VM) to change the static IP address to `192.168.122.192`. Record the updated YAML configuration file in your `README`.\n", "- Modify the network settings of the `netplan` VM to configure them using Dynamic Host Configuration Protocol (DHCP). Record the updated YAML configuration file in your `README`.\n", "\n", "\n", "## Using `ipcalc` for Network Calculations\n", "\n", "- Complete Exercise 4.17 to ensure that `ipcalc` is installed on your Virtual Desktop.\n", "- Given the following set of IP addresses and netmasks:\n", " - `170.15.25.34/27`\n", " - `170.15.25.192/27`\n", " - `170.15.25.100/27`\n", " - `138.10.10.1/25`\n", " - `138.10.10.15/25`\n", " - `138.10.10.250/25`\n", "\n", " **Questions:**\n", " - A) How many unique subnets are represented in this list?\n", " - B) Which of the listed IP addresses belong to the same subnet?\n" ] }, { "cell_type": "code", "execution_count": null, "id": "2f3c959d-6ea2-41fc-8047-17e0bf9a6fc9", "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 }