Delete update_upgrade_os.md

playbooks/update_upgrade_os.md

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-Certainly! Below is an Ansible playbook to update and upgrade a Raspberry Pi system.
-
-```yaml
----
-- name: Update and upgrade Raspberry Pi
-  hosts: raspberry_pi
-  become: yes
-  tasks:
-    - name: Update the APT package index
-      apt:
-        update_cache: yes
-
-    - name: Upgrade all installed packages
-      apt:
-        upgrade: yes
-        dist_upgrade: yes
-        autoremove: yes
-        autoclean: yes
-        cache_valid_time: 3600  # Cache validity time in seconds
-
-    - name: Ensure that Raspberry Pi firmware is up to date
-      shell: sudo rpi-update
-      args:
-        creates: /boot/.firmware_up_to_date
-
-    - name: Reboot if needed
-      reboot:
-        msg: "Rebooting the Raspberry Pi after update"
-        reboot_timeout: 600
-        test_command: uptime
-```
-
-### Explanation of the Playbook:
-- `hosts: raspberry_pi` – This refers to the group or host defined in your Ansible inventory that represents your Raspberry Pi device(s).
-- `become: yes` – Ensures the playbook runs with sudo privileges for tasks that require administrative rights.
-  
-### Tasks:
-1. **Update the APT package index** – Ensures that the APT package manager has the latest information about available software packages.
-2. **Upgrade all installed packages** – Installs the latest versions of all packages. The `dist_upgrade` ensures that package dependencies are also upgraded, and `autoremove` removes unnecessary packages, `autoclean` cleans up unused package files.
-3. **Update Raspberry Pi firmware** – This runs `rpi-update`, a tool for upgrading the firmware on the Raspberry Pi.
-4. **Reboot if needed** – Reboots the Raspberry Pi if any changes required a reboot (such as firmware updates). This ensures that the system is fully updated.
-
-### To run the playbook:
-1. Ensure you have an inventory file that includes your Raspberry Pi host(s). Example inventory (`inventory.ini`):
-
-   ```
-   [raspberry_pi]
-   raspberrypi.local ansible_user=pi ansible_ssh_private_key_file=~/.ssh/id_rsa
-   ```
-
-2. Execute the playbook using the following command:
-
-   ```bash
-   ansible-playbook -i inventory.ini update_raspberry_pi.yml
-   ```
-
-Make sure to replace `raspberrypi.local` with the actual IP or hostname of your Raspberry Pi, and adjust the SSH credentials accordingly.
-
-Let me know if you need further assistance!