System Update Automation

This project uses Ansible to automate system updates across multiple servers and infrastructure components.

Overview

This playbook updates, upgrades, and cleans up packages on all managed hosts. It's designed to work with a mixed infrastructure environment including:

Hetzner cloud servers
Proxmox virtualization infrastructure (PVE, PBS, PDM nodes)
LXC containers (instances across the 10.0.0.100–10.0.0.199 range)

Files

File	Purpose
`inventory.ini`	Defines all hosts organized by group (hetz, prox, lxc)
`playbook.yml`	Contains the update tasks to run on all hosts
`run-playbook.sh`	Bash script to execute the playbook safely

Prerequisites

Ansible installed on your control machine
SSH access configured to all hosts listed in inventory.ini
SSH keys or password authentication set up for the root user on each host

Usage

1. Make the Script Executable

Before running the playbook, you must make the script executable:

chmod +x run-playbook.sh

2. Run the Playbook

Execute the script:

./run-playbook.sh

The script will:

Verify that both inventory.ini and playbook.yml exist
Run the Ansible playbook to update all hosts
Exit with an error if any required file is missing

What the Playbook Does

The playbook runs on all hosts and performs:

Update cache — Refreshes the package list
Full upgrade — Upgrades all installed packages to their latest versions
Autoremove — Removes unused dependencies

This ensures all systems stay current with the latest security patches and updates.

Inventory Structure

[hetz]              # Hetzner cloud server
[prox]              # Proxmox nodes (PVE, PBS, PDM)
[lxc]               # LXC container hosts

Notes

The script uses set -e to exit immediately if any command fails
SSH must be configured to allow root login on all target hosts
Consider running this during a maintenance window to minimize service disruption
Review the playbook before first use to ensure it meets your security and operational requirements

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