#!/usr/bin/env bash
set -euo pipefail

echo "--- HOSTNAME ---"
hostname

echo "--- OS ---"
cat /etc/os-release || true

echo "--- KERNEL ---"
uname -a

echo "--- IP ---"
ip -br a

echo "--- ROUTES ---"
ip route

echo "--- SERIAL DEVICES ---"
ls -l /dev/tty* | head -n 80

echo "--- DMESG TTY ---"
dmesg | grep -i tty || true

echo "--- USB ---"
lsusb || true