RC Local

rc-local.sh

#!/bin/sh

# Detect system type
if command -v dnf >/dev/null 2>&1; then
    OS="rhel"
    RC_LOCAL="/etc/rc.d/rc.local"
elif command -v apt >/dev/null 2>&1; then
    OS="debian"
    RC_LOCAL="/etc/rc.local"
else
    echo "Unsupported OS"
    exit 1
fi

# Ensure rc.local exists
if [ ! -f "$RC_LOCAL" ]; then
    echo '#!/bin/sh -e' | sudo tee "$RC_LOCAL"
    echo "exit 0" | sudo tee -a "$RC_LOCAL"
fi

# Add firewall script if not already present
if ! grep -q "bash /root/firewall.sh" "$RC_LOCAL"; then
    sudo sed -i "/^exit 0/i bash /root/firewall.sh" "$RC_LOCAL"
fi

# Set executable permission
chmod +x "$RC_LOCAL"
sleep 1s

# Enable rc-local service
systemctl enable rc-local --now