Gotta add Santiago to the server, this is the one do to

add_santiago.sh

#!/bin/bash

# Variables
USER="santiago"
USER_HOME="/home/$USER"
SSH_DIR="$USER_HOME/.ssh"
AUTHORIZED_KEYS="$SSH_DIR/authorized_keys"
GITHUB_KEYS_URL="https://github.com/Santigf12.keys"
SUDOERS_FILE="/etc/sudoers.d/$USER"

# Create user if not exists
if id "$USER" &>/dev/null; then
    echo "User $USER already exists."
else
    echo "Creating user $USER..."
    sudo useradd -m -s /bin/bash "$USER"
fi

# Ensure the SSH directory exists
sudo mkdir -p "$SSH_DIR"
sudo chmod 700 "$SSH_DIR"
sudo chown "$USER:$USER" "$SSH_DIR"

# Fetch and set up authorized keys
echo "Fetching SSH keys from GitHub..."
curl -s "$GITHUB_KEYS_URL" | sudo tee "$AUTHORIZED_KEYS" > /dev/null

# Set correct permissions
sudo chmod 600 "$AUTHORIZED_KEYS"
sudo chown "$USER:$USER" "$AUTHORIZED_KEYS"

# Add user to sudo group
echo "Granting sudo privileges to $USER..."
sudo usermod -aG sudo "$USER"

# Allow sudo without password for convenience (optional, remove if not needed)
echo "$USER ALL=(ALL) NOPASSWD:ALL" | sudo tee "$SUDOERS_FILE" > /dev/null
sudo chmod 440 "$SUDOERS_FILE"

echo "User $USER setup complete with SSH keys and sudo access."