Ubuntu 24.04 Workstation Setup for Ansible Management

gistfile0.txt

#!/bin/bash
# Ubuntu 24.04 Workstation Setup for Ansible Management
# https://github.com/trifork/SwitchDataCenter-all

# Update packages and install dependencies
sudo apt update && sudo apt install -y openssh-server python3 curl net-tools

# Start and enable SSH service
sudo systemctl start ssh
sudo systemctl enable ssh

# Allow SSH through firewall (if UFW is active)
sudo ufw allow ssh

# Create .ssh directory and add authorized key
mkdir -p ~/.ssh && chmod 700 ~/.ssh
echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII8l7J7IvLdLrwVXwJZzeBOUqF0KqKjFlNVC6jwD2CP1" >> ~/.ssh/authorized_keys
chmod 600 ~/.ssh/authorized_keys

# Configure passwordless sudo for Ansible
echo "$USER ALL=(ALL) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/$USER
sudo chmod 440 /etc/sudoers.d/$USER

# Verify setup
echo "=== Setup Complete ==="
echo "SSH status:"
sudo systemctl status ssh --no-pager | head -5
echo -e "\nPython version:"
python3 --version
echo -e "\nPasswordless sudo:"
sudo -n true && echo "OK" || echo "FAILED"
echo -e "\nIP addresses:"
ip -4 addr show | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | grep -v '127.0.0.1'