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

if [ "$(id -u)" -ne 0 ]; then
  echo "Jalankan sebagai root."
  exit 1
fi

read -rp "Install paket monitoring jaringan lengkap? [Y/n]: " CONFIRM
CONFIRM="${CONFIRM:-Y}"
if [[ ! "$CONFIRM" =~ ^[Yy]$ ]]; then
  echo "Dibatalkan."
  exit 0
fi

apt update
apt -y install iftop htop iotop nload vnstat net-tools lsof
systemctl enable --now vnstat

echo "Contoh pemakaian:"
echo "  iftop -i eth0"
echo "  nload"
echo "  vnstat -l"
echo "  ss -tulpn"