#!/bin/bash # Debug network info - outputs to serial console exec > /dev/ttyS0 2>&1 echo "=== NETWORK DEBUG ===" echo "Date: $(date)" echo "" echo "=== IP ADDRESSES ===" ip addr echo "" echo "=== ROUTES ===" ip route echo "" echo "=== NETWORKMANAGER CONNECTIONS ===" nmcli connection show echo "" echo "=== NETWORKMANAGER DEVICES ===" nmcli device status echo "" echo "=== LISTENING PORTS ===" ss -tlnp echo "=== END DEBUG ==="