#!/bin/bash
# unfuck-hang.sh - by Richard Knowles
# Diagnoses stuck Proxmox host due to NFS hangs, bridge/NIC drops, or OOM.

echo -e "\n🔍 ==== Mounted NFS Volumes ===="
mount | grep nfs || echo "No NFS mounts detected."

echo -e "\n📦 ==== LXC Storage Use ===="
for id in $(pct list | awk 'NR>1 {print $1}'); do
    echo "--- CT $id ---"
    pct config "$id" | grep -Ei 'rootfs|mp[0-9]+|storage'
done

echo -e "\n🌐 ==== Network Interfaces ===="
ip link show | awk '/^[0-9]+: / {print $2 $3 $4 $5}'

echo -e "\n📡 ==== Routing Table ===="
ip route

echo -e "\n🔥 ==== Recent Kernel Errors ===="
dmesg | tail -n 50

echo -e "\n📛 ==== NFS Spam (last 10 lines) ===="
dmesg | grep -i 'nfs.*not responding' | tail -n 10 || echo "No NFS errors found."

echo -e "\n🧠 ==== OOM Killer Events ===="
journalctl -k | grep -i 'oom' | tail -n 10 || echo "No OOM events detected."

echo -e "\n📈 ==== Uptime & Load ===="
uptime

echo -e "\n✅ Done. Press any key to exit."
read -n 1 -s