{ "cells": [ { "cell_type": "code", "execution_count": 1, "id": "3b7cae68-dcab-4520-b1bd-309c71b1b27a", "metadata": { "editable": true, "slideshow": { "slide_type": "" }, "tags": [ "remove-cell", "remove_cell" ] }, "outputs": [ { "name": "stderr", "output_type": "stream", "text": [ "<>:126: SyntaxWarning: invalid escape sequence '\\;'\n", "<>:126: SyntaxWarning: invalid escape sequence '\\;'\n", "/tmp/ipykernel_302572/1479612387.py:126: SyntaxWarning: invalid escape sequence '\\;'\n", " find DEB/ -name \"*.h\" -exec cp '{}' HED \\;\n" ] } ], "source": [ "my_notebook_text = \"\"\"\n", "# Summer 2026 Midterm exam Q-and-A.\n", "\n", "June 22 2026. Time 6:00 p.m. -- 9:00 p.m.\n", "\n", "Number of exercises:4. Each exercise has a maximum score. \n", "\n", "In home directory of user hostadm, you need to create a new subdirectory, ```MIDTERM``` and a file within it, ```answers.txt```, where you will be writing answers to the exam exercises.\n", "\n", "In the file, first, put your name, then proceed with answering to the questions below.\n", "\n", "\n", "\n", "***\n", "## 1. VM deployment in KVM (max score 5)\n", "\n", "A) Create a new VMs, vmm26, by cloning kvm1.\n", "\n", "B) Set hostname to IP address resolution for vmm26 on your virtual desktop (VD).\n", " \n", " Make sure you can ```ping vmm26``` from the desktop.\n", " \n", "C) Enable SSH service on vmm26. Make sure you can SSH from the ```VD``` to ```vmm26```.\n", "\n", "D) Set SSH public/private key authentication for SSH connection from the ```VD``` to ```vmm26``` with empty passphrase.\n", "\n", "Verify you can ssh to vmm26 without password.\n", "\n", "***Answers***\n", "\n", "- A.\n", "\n", "```bash\n", "virt-clone -o kvm1 -n vmm26 -f KVM/vmm26.qcow2\n", "virsh start vmm26\n", "virsh console vmm26\n", "```\n", "\n", "- B.\n", "```bash\n", "virsh domfiaddr vmm26\n", "\n", "nano /etc/hosts # add \"192.168.122.165 vmm26\"\n", "\n", "ping -c 3 vmm26\n", "```\n", "\n", "- C.\n", "```bash\n", "sudo rm /etc/ssh//sshd_config.d/60-cloudimg-settings.conf\n", "sudo ssh-keygen -A\n", "sudo systemctl restart sshd\n", "\n", "mkdir .ssh\n", "```\n", "\n", "- D.\n", "```bash\n", "ssh-keygen -t rsa\n", "scp .ssh/id_rsa.pub hostadm@vmm26:.ssh/authorized_keys\n", "```\n", "\n", "***\n", "## 2. Command apt and dpkg (max score 3)\n", "\n", "A) Download package ```qt6-networkauth-dev``` into directory MIDTERM on the VD. \n", "\n", "B) Extract the package content into new directory ```DEB```.\n", "\n", "***Answers***\n", "\n", "- A.\n", "```bash\n", "apt download qt6-networkauth-dev\n", "```\n", "\n", "- B.\n", "```bash\n", "dpkg -X qt6-networkauth-dev_6.4.2-1_amd64.deb DEB\n", "```\n", "\n", "***\n", "## 3. Command ```find``` (max score 5)\n", "\n", "In directory ```DEB```,\n", "\n", "A) Find all files with extension ```.json```\n", "\n", "B) Find the largest file in directory DEB.\n", "\n", "C) Find all files of sizes between 2000 bytes and 3000 bytes.\n", "\n", "D) In directory MIDTERM, create new directory HED.\n", "\n", " By using command ```find``` with ```-exec``` option, copy all the files with extension ```.h``` from all subdirectories in DEB into directory HED.\n", "\n", "***Answers***\n", "- A.\n", "```bash\n", "find DEB -name \"*.json\"\n", "```\n", "\n", " DEB/usr/lib/x86_64-linux-gnu/metatypes/qt6networkauth_none_metatypes.json\n", " DEB/usr/share/qt6/modules/NetworkAuth.json\n", "\n", "- B.\n", "```bash\n", "find DEB -size +100k\n", "find DEB -size +10k -ls\n", "```\n", "\n", " 1703682 44 -rw-r--r-- 1 hostadm hostadm 41053 Jan 26 2023 DEB/usr/lib/x86_64-linux-gnu/metatypes/qt6networkauth_none_metatypes.json\n", "\n", "- C.\n", "```bash\n", "find DEB -size +2000c -size -3000c -ls\n", "```\n", " 1703673 4 -rw-r--r-- 1 hostadm hostadm 2461 Jan 26 2023 DEB/usr/lib/x86_64-linux-gnu/cmake/Qt6NetworkAuth/Qt6NetworkAuthAdditionalTargetInfo.cmake\n", " 1703675 4 -rw-r--r-- 1 hostadm hostadm 2853 Jan 26 2023 DEB/usr/lib/x86_64-linux-gnu/cmake/Qt6NetworkAuth/Qt6NetworkAuthConfigVersion.cmake\n", " 1703666 4 -rw-r--r-- 1 hostadm hostadm 2507 Dec 12 2022 DEB/usr/include/x86_64-linux-gnu/qt6/QtNetworkAuth/qoauth1signature.h\n", " 1703667 4 -rw-r--r-- 1 hostadm hostadm 2412 Dec 12 2022 DEB/usr/include/x86_64-linux-gnu/qt6/QtNetworkAuth/qoauth2authorizationcodeflow.h\n", "\n", "- D.\n", "```bash\n", "mkdir HED\n", "find DEB/ -name \"*.h\" -exec cp '{}' HED \\;\n", "```\n", "\n", "\n", "***\n", "## 4. Commands ```tar```, ```scp``` and shell scripts (max score 7)\n", "\n", "A) Archive directory HED with ```tar/gzip``` into file ```HED.tgz```.\n", "\n", "B) Copy the archive onto vmm26 by using command ```scp``` into hostadm home directory.\n", "\n", "C) Extract the archive on vmm26 by using SSH command. Note, with SSH bublic key authentication, there is no need for password to run command ```tar``` remotely via SSH to vmm26.\n", "\n", "D) In directory MIDTERM, create shell script with name ```find_archive_1.sh``` that completes exercises 3D, 4A, 4B, and 4C above.\n", "\n", "E) Create a modified version of the script, ```find_archive_2.sh```, that \n", "- takes file names as an input prameter in the command line,\n", "- if directory HED already exists, it removes the directory before creating it.\n", "- Run ```find_archive_2.sh``` for files ```*.json```.\n", "\n", "***Answers***\n", "\n", "- A.\n", "```bash\n", "tar -zcvf HED.tgz HED\n", "```\n", "\n", "- B.\n", "```bash\n", "scp HED.tgz vmm26:\n", "```\n", "\n", "- C.\n", "```bash\n", "ssh vmm26 \"tar -zxvf HED.tgz\"\n", "```\n", "\n", "- D\n", "```c\n", " #!/bin/bash\n", "\n", " mkdir DEB\n", " \n", " find DEB/ -name \"*.h\" -exec cp '{}' HED \\;\n", " tar -zcvf HED.tgz HED\n", " scp HED.tgz vmm26:\n", " ssh vmm26 \"tar -zxvf HED.tgz\"\n", "```\n", "\n", "- E.\n", "```c\n", " #!/bin/bash\n", "\n", " [ -d HED ] && rm -rf HED\n", " mkdir HED\n", "\n", " find DEB/ -name \"$1\" -exec cp '{}' HED \\;\n", " tar -zcvf HED.tgz HED\n", " scp HED.tgz vmm26:\n", " ssh vmm26 \"tar -zxvf HED.tgz\"\n", "```\n", "\"\"\"" ] }, { "cell_type": "code", "execution_count": 2, "id": "d96018e1-241a-4e60-8fd0-a14e799d9875", "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": [ "# Summer 2026 Midterm Exam Q&A\n", "\n", "**Date:** June 22, 2026 \n", "**Time:** 6:00 p.m. -- 9:00 p.m. \n", "**Number of Exercises:** 4 (Each exercise has a maximum score indicated)\n", "\n", "In the home directory of user `hostadm`, you need to create a new subdirectory named `MIDTERM` and a file within it named `answers.txt`, where you will write your answers to the exam exercises.\n", "\n", "In the file, first put your name, then proceed with answering the questions below.\n", "\n", "***\n", "\n", "## 1. VM Deployment in KVM (Max Score: 5)\n", "\n", "A) Create a new virtual machine, `vmm26`, by cloning `kvm1`.\n", "\n", "B) Set up hostname-to-IP-address resolution for `vmm26` on your virtual desktop (VD). Make sure you can `ping vmm26` from the desktop.\n", "\n", "C) Enable the SSH service on `vmm26`. Make sure you can establish an SSH connection from the `VD` to `vmm26`.\n", "\n", "D) Set up SSH public/private key authentication for the connection from the `VD` to `vmm26` with an empty passphrase. Verify that you can connect via `ssh` to `vmm26` without a password.\n", "\n", "### Answers\n", "\n", "- **A.**\n", "```bash\n", "virt-clone -o kvm1 -n vmm26 -f KVM/vmm26.qcow2\n", "virsh start vmm26\n", "virsh console vmm26\n", "```\n", "\n", "- **B.**\n", "```bash\n", "virsh domifaddr vmm26\n", "\n", "sudo nano /etc/hosts # add \"192.168.122.165 vmm26\"\n", "\n", "ping -c 3 vmm26\n", "```\n", "\n", "- **C.**\n", "```bash\n", "sudo rm /etc/ssh/sshd_config.d/60-cloudimg-settings.conf\n", "sudo ssh-keygen -A\n", "sudo systemctl restart sshd\n", "\n", "mkdir ~/.ssh\n", "```\n", "\n", "- **D.**\n", "```bash\n", "ssh-keygen -t rsa\n", "scp ~/.ssh/id_rsa.pub hostadm@vmm26:.ssh/authorized_keys\n", "```\n", "\n", "***\n", "\n", "## 2. Apt and Dpkg Commands (Max Score: 3)\n", "\n", "A) Download the package `qt6-networkauth-dev` into the `MIDTERM` directory on the VD. \n", "\n", "B) Extract the package contents into a new directory named `DEB`.\n", "\n", "### Answers\n", "\n", "- **A.**\n", "```bash\n", "apt download qt6-networkauth-dev\n", "```\n", "\n", "- **B.**\n", "```bash\n", "dpkg -X qt6-networkauth-dev_6.4.2-1_amd64.deb DEB\n", "```\n", "\n", "***\n", "\n", "## 3. The `find` Command (Max Score: 5)\n", "\n", "Inside the `DEB` directory:\n", "\n", "A) Find all files with the extension `.json`.\n", "\n", "B) Find the largest file in the `DEB` directory.\n", "\n", "C) Find all files with sizes between 2000 bytes and 3000 bytes.\n", "\n", "D) In the `MIDTERM` directory, create a new directory named `HED`. Using the `find` command with the `-exec` option, copy all files with the `.h` extension from all subdirectories inside `DEB` into the `HED` directory.\n", "\n", "### Answers\n", "\n", "- **A.**\n", "```bash\n", "find DEB -name \"*.json\"\n", "```\n", "```text\n", "DEB/usr/lib/x86_64-linux-gnu/metatypes/qt6networkauth_none_metatypes.json\n", "DEB/usr/share/qt6/modules/NetworkAuth.json\n", "```\n", "\n", "- **B.**\n", "```bash\n", "find DEB -size +100k\n", "find DEB -size +10k -ls\n", "```\n", "```text\n", "1703682 44 -rw-r--r-- 1 hostadm hostadm 41053 Jan 26 2023 DEB/usr/lib/x86_64-linux-gnu/metatypes/qt6networkauth_none_metatypes.json\n", "```\n", "\n", "- **C.**\n", "```bash\n", "find DEB -size +2000c -size -3000c -ls\n", "```\n", "```text\n", "1703673 4 -rw-r--r-- 1 hostadm hostadm 2461 Jan 26 2023 DEB/usr/lib/x86_64-linux-gnu/cmake/Qt6NetworkAuth/Qt6NetworkAuthAdditionalTargetInfo.cmake\n", "1703675 4 -rw-r--r-- 1 hostadm hostadm 2853 Jan 26 2023 DEB/usr/lib/x86_64-linux-gnu/cmake/Qt6NetworkAuth/Qt6NetworkAuthConfigVersion.cmake\n", "1703666 4 -rw-r--r-- 1 hostadm hostadm 2507 Dec 12 2022 DEB/usr/include/x86_64-linux-gnu/qt6/QtNetworkAuth/qoauth1signature.h\n", "1703667 4 -rw-r--r-- 1 hostadm hostadm 2412 Dec 12 2022 DEB/usr/include/x86_64-linux-gnu/qt6/QtNetworkAuth/qoauth2authorizationcodeflow.h\n", "```\n", "\n", "- **D.**\n", "```bash\n", "mkdir HED\n", "find DEB/ -name \"*.h\" -exec cp '{}' HED \\;\n", "```\n", "\n", "***\n", "\n", "## 4. Commands `tar`, `scp`, and Shell Scripts (Max Score: 7)\n", "\n", "A) Archive the `HED` directory using `tar`/`gzip` into a file named `HED.tgz`.\n", "\n", "B) Copy the archive onto `vmm26` using the `scp` command into the `hostadm` home directory.\n", "\n", "C) Extract the archive on `vmm26` using an SSH command. Note: With SSH public key authentication, no password is required to run the `tar` command remotely via SSH on `vmm26`.\n", "\n", "D) In the `MIDTERM` directory, create a shell script named `find_archive_1.sh` that completes exercises 3D, 4A, 4B, and 4C above.\n", "\n", "E) Create a modified version of the script, `find_archive_2.sh`, that:\n", "- Takes file names as an input parameter from the command line.\n", "- If the `HED` directory already exists, removes it before creating a new one.\n", "- Runs `find_archive_2.sh` for `*.json` files.\n", "\n", "### Answers\n", "\n", "- **A.**\n", "```bash\n", "tar -zcvf HED.tgz HED\n", "```\n", "\n", "- **B.**\n", "```bash\n", "scp HED.tgz vmm26:\n", "```\n", "\n", "- **C.**\n", "```bash\n", "ssh vmm26 \"tar -zxvf HED.tgz\"\n", "```\n", "\n", "- **D.**\n", "```bash\n", "#!/bin/bash\n", "\n", "mkdir DEB\n", "\n", "find DEB/ -name \"*.h\" -exec cp '{}' HED \\;\n", "tar -zcvf HED.tgz HED\n", "scp HED.tgz vmm26:\n", "ssh vmm26 \"tar -zxvf HED.tgz\"\n", "```\n", "\n", "- **E.**\n", "```bash\n", "#!/bin/bash\n", "\n", "[ -d HED ] && rm -rf HED\n", "mkdir HED\n", "\n", "find DEB/ -name \"$1\" -exec cp '{}' HED \\;\n", "tar -zcvf HED.tgz HED\n", "scp HED.tgz vmm26:\n", "ssh vmm26 \"tar -zxvf HED.tgz\"\n", "```\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": "0c912b6e-effe-445a-8775-7ad667678f2d", "metadata": { "editable": true, "slideshow": { "slide_type": "" }, "tags": [] }, "source": [ "# Summer 2026 Midterm Exam Q&A\n", "\n", "**Date:** June 22, 2026 \n", "**Time:** 6:00 p.m. -- 9:00 p.m. \n", "**Number of Exercises:** 4 (Each exercise has a maximum score indicated)\n", "\n", "In the home directory of user `hostadm`, you need to create a new subdirectory named `MIDTERM` and a file within it named `answers.txt`, where you will write your answers to the exam exercises.\n", "\n", "In the file, first put your name, then proceed with answering the questions below.\n", "\n", "***\n", "\n", "## 1. VM Deployment in KVM (Max Score: 5)\n", "\n", "A) Create a new virtual machine, `vmm26`, by cloning `kvm1`.\n", "\n", "B) Set up hostname-to-IP-address resolution for `vmm26` on your virtual desktop (VD). Make sure you can `ping vmm26` from the desktop.\n", "\n", "C) Enable the SSH service on `vmm26`. Make sure you can establish an SSH connection from the `VD` to `vmm26`.\n", "\n", "D) Set up SSH public/private key authentication for the connection from the `VD` to `vmm26` with an empty passphrase. Verify that you can connect via `ssh` to `vmm26` without a password.\n", "\n", "### Answers\n", "\n", "- **A.**\n", "```bash\n", "virt-clone -o kvm1 -n vmm26 -f KVM/vmm26.qcow2\n", "virsh start vmm26\n", "virsh console vmm26\n", "```\n", "\n", "- **B.**\n", "```bash\n", "virsh domifaddr vmm26\n", "\n", "sudo nano /etc/hosts # add \"192.168.122.165 vmm26\"\n", "\n", "ping -c 3 vmm26\n", "```\n", "\n", "- **C.**\n", "```bash\n", "sudo rm /etc/ssh/sshd_config.d/60-cloudimg-settings.conf\n", "sudo ssh-keygen -A\n", "sudo systemctl restart sshd\n", "\n", "mkdir ~/.ssh\n", "```\n", "\n", "- **D.**\n", "```bash\n", "ssh-keygen -t rsa\n", "scp ~/.ssh/id_rsa.pub hostadm@vmm26:.ssh/authorized_keys\n", "```\n", "\n", "***\n", "\n", "## 2. Apt and Dpkg Commands (Max Score: 3)\n", "\n", "A) Download the package `qt6-networkauth-dev` into the `MIDTERM` directory on the VD. \n", "\n", "B) Extract the package contents into a new directory named `DEB`.\n", "\n", "### Answers\n", "\n", "- **A.**\n", "```bash\n", "apt download qt6-networkauth-dev\n", "```\n", "\n", "- **B.**\n", "```bash\n", "dpkg -X qt6-networkauth-dev_6.4.2-1_amd64.deb DEB\n", "```\n", "\n", "***\n", "\n", "## 3. The `find` Command (Max Score: 5)\n", "\n", "Inside the `DEB` directory:\n", "\n", "A) Find all files with the extension `.json`.\n", "\n", "B) Find the largest file in the `DEB` directory.\n", "\n", "C) Find all files with sizes between 2000 bytes and 3000 bytes.\n", "\n", "D) In the `MIDTERM` directory, create a new directory named `HED`. Using the `find` command with the `-exec` option, copy all files with the `.h` extension from all subdirectories inside `DEB` into the `HED` directory.\n", "\n", "### Answers\n", "\n", "- **A.**\n", "```bash\n", "find DEB -name \"*.json\"\n", "```\n", "```text\n", "DEB/usr/lib/x86_64-linux-gnu/metatypes/qt6networkauth_none_metatypes.json\n", "DEB/usr/share/qt6/modules/NetworkAuth.json\n", "```\n", "\n", "- **B.**\n", "```bash\n", "find DEB -size +100k\n", "find DEB -size +10k -ls\n", "```\n", "```text\n", "1703682 44 -rw-r--r-- 1 hostadm hostadm 41053 Jan 26 2023 DEB/usr/lib/x86_64-linux-gnu/metatypes/qt6networkauth_none_metatypes.json\n", "```\n", "\n", "- **C.**\n", "```bash\n", "find DEB -size +2000c -size -3000c -ls\n", "```\n", "```text\n", "1703673 4 -rw-r--r-- 1 hostadm hostadm 2461 Jan 26 2023 DEB/usr/lib/x86_64-linux-gnu/cmake/Qt6NetworkAuth/Qt6NetworkAuthAdditionalTargetInfo.cmake\n", "1703675 4 -rw-r--r-- 1 hostadm hostadm 2853 Jan 26 2023 DEB/usr/lib/x86_64-linux-gnu/cmake/Qt6NetworkAuth/Qt6NetworkAuthConfigVersion.cmake\n", "1703666 4 -rw-r--r-- 1 hostadm hostadm 2507 Dec 12 2022 DEB/usr/include/x86_64-linux-gnu/qt6/QtNetworkAuth/qoauth1signature.h\n", "1703667 4 -rw-r--r-- 1 hostadm hostadm 2412 Dec 12 2022 DEB/usr/include/x86_64-linux-gnu/qt6/QtNetworkAuth/qoauth2authorizationcodeflow.h\n", "```\n", "\n", "- **D.**\n", "```bash\n", "mkdir HED\n", "find DEB/ -name \"*.h\" -exec cp '{}' HED \\;\n", "```\n", "\n", "***\n", "\n", "## 4. Commands `tar`, `scp`, and Shell Scripts (Max Score: 7)\n", "\n", "A) Archive the `HED` directory using `tar`/`gzip` into a file named `HED.tgz`.\n", "\n", "B) Copy the archive onto `vmm26` using the `scp` command into the `hostadm` home directory.\n", "\n", "C) Extract the archive on `vmm26` using an SSH command. Note: With SSH public key authentication, no password is required to run the `tar` command remotely via SSH on `vmm26`.\n", "\n", "D) In the `MIDTERM` directory, create a shell script named `find_archive_1.sh` that completes exercises 3D, 4A, 4B, and 4C above.\n", "\n", "E) Create a modified version of the script, `find_archive_2.sh`, that:\n", "- Takes file names as an input parameter from the command line.\n", "- If the `HED` directory already exists, removes it before creating a new one.\n", "- Runs `find_archive_2.sh` for `*.json` files.\n", "\n", "### Answers\n", "\n", "- **A.**\n", "```bash\n", "tar -zcvf HED.tgz HED\n", "```\n", "\n", "- **B.**\n", "```bash\n", "scp HED.tgz vmm26:\n", "```\n", "\n", "- **C.**\n", "```bash\n", "ssh vmm26 \"tar -zxvf HED.tgz\"\n", "```\n", "\n", "- **D.**\n", "```bash\n", "#!/bin/bash\n", "\n", "mkdir DEB\n", "\n", "find DEB/ -name \"*.h\" -exec cp '{}' HED \\;\n", "tar -zcvf HED.tgz HED\n", "scp HED.tgz vmm26:\n", "ssh vmm26 \"tar -zxvf HED.tgz\"\n", "```\n", "\n", "- **E.**\n", "```bash\n", "#!/bin/bash\n", "\n", "[ -d HED ] && rm -rf HED\n", "mkdir HED\n", "\n", "find DEB/ -name \"$1\" -exec cp '{}' HED \\;\n", "tar -zcvf HED.tgz HED\n", "scp HED.tgz vmm26:\n", "ssh vmm26 \"tar -zxvf HED.tgz\"\n", "```\n" ] } ], "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 }