# Concord NUC Runbook

*Intel NUC6i3SYB - Home Automation & DNS*

**Endpoint ID:** 443398  
**Status:** 🟢 Online  
**Hardware:** Intel Core i3-6100U, 16GB RAM, 256GB SSD  
**Access:** `concordnuc.vish.local`

---

## Overview

Concord NUC runs lightweight services focused on home automation, DNS filtering, and local network services.

## Hardware Specs

| Component | Specification |
|----------|---------------|
| Model | Intel NUC6i3SYB |
| CPU | Intel Core i3-6100U (2-core) |
| RAM | 16GB |
| Storage | 256GB SSD |
| Network | 1x 1GbE |

## Services

### Critical Services

| Service | Port | Purpose | Docker Image |
|---------|------|---------|---------------|
| **AdGuard Home** | 3053/53 | DNS filtering | adguard/adguardhome |
| **Home Assistant** | 8123 | Home automation | homeassistant/home-assistant |
| **Matter Server** | 5580 | Matter protocol | matter-server/matter-server |

### Additional Services

| Service | Port | Purpose |
|---------|------|---------|
| Plex | 32400 | Media server |
| Invidious | 2999 | YouTube frontend |
| Piped | 1234 | YouTube music |
| Syncthing | 8384 | File sync |
| WireGuard | 51820 | VPN server |
| Portainer Agent | 9001 | Container management |
| Node Exporter | 9100 | Metrics |

---

## Network Position

```
Internet
    │
    ▼
[Home Router] ──WAN──► (Public IP)
    │
    ├─► [Pi-hole Primary]
    │
    └─► [AdGuard Home] ──► Local DNS
              │
              ▼
        [Home Assistant] ──► Zigbee/Z-Wave
```

---

## Daily Operations

### Check Service Health
```bash
# Via Portainer
open http://concordnuc.vish.local:9001

# Via SSH
ssh homelab@concordnuc.vish.local
docker ps
```

### Home Assistant
```bash
# Access UI
open http://concordnuc.vish.local:8123

# Check logs
docker logs homeassistant
```

### AdGuard Home
```bash
# Access UI
open http://concordnuc.vish.local:3053

# Check DNS filtering
# Admin → Dashboard → DNS Queries
```

---

## Common Issues

### Home Assistant Won't Start
1. Check logs: `docker logs homeassistant`
2. Verify config: `config/configuration.yaml`
3. Check Zigbee/Z-Wave stick
4. Restore from backup if needed

### AdGuard Not Filtering
1. Check service: `docker ps | grep adguard`
2. Verify DNS settings on router
3. Check filter lists: Admin → Filters
4. Review query log

### No Network Connectivity
1. Check Docker: `systemctl status docker`
2. Verify network: `ip addr`
3. Check firewall: `sudo ufw status`

---

## Home Assistant Configuration

### Add-ons Running
- Zigbee2MQTT
- Z-Wave JS UI
- File editor
- Terminal

### Backup
```bash
# Manual backup via UI
Configuration → Backups → Create backup

# Automated to Synology
Syncthing → Backups/homeassistant/
```

### Restoration
1. Access HA in safe mode
2. Configuration → Backups
3. Select backup → Restore

---

## AdGuard Home Configuration

### DNS Providers
- Cloudflare: 1.1.1.1
- Google: 8.8.8.8

### Blocklists Enabled
- AdGuard Default
- AdAway
- Malware domains

### Query Log
Access: Admin → Logs
- Useful for debugging DNS issues
- Check for blocked domains

---

## Maintenance

### Weekly
- [ ] Check HA logs for errors
- [ ] Review AdGuard query log
- [ ] Verify backups completed

### Monthly
- [ ] Update Home Assistant
- [ ] Review AdGuard filters
- [ ] Clean unused Docker images

### Quarterly
- [ ] Test automation reliability
- [ ] Review device states
- [ ] Check Zigbee network health

---

## Emergency Procedures

### Home Assistant Down
**Impact**: Smart home controls unavailable

1. Check container: `docker ps | grep homeassistant`
2. Restart: `docker-compose restart`
3. Check logs: `docker logs homeassistant`
4. If corrupted, restore from backup

### AdGuard Down
**Impact**: DNS issues on network

1. Verify: `dig google.com @localhost`
2. Restart: `docker-compose restart`
3. Check config in UI
4. Fallback to Pi-hole

### Complete Hardware Failure
1. Replace NUC hardware
2. Reinstall Ubuntu/Debian
3. Run deploy playbook:
   ```bash
   ansible-playbook ansible/homelab/playbooks/deploy_concord_nuc.yml
   ```

---

## Useful Commands

```bash
# SSH access
ssh homelab@concordnuc.vish.local

# Restart services
docker-compose -f /opt/docker/compose/homeassistant.yaml restart
docker-compose -f /opt/docker/compose/adguard.yaml restart

# View logs
docker logs -f homeassistant
docker logs -f adguard

# Check resource usage
docker stats
```

---

## Device Access

| Device | Protocol | Address |
|--------|----------|---------|
| Zigbee Coordinator | USB | /dev/serial/by-id/* |
| Z-Wave Controller | USB | /dev/serial/by-id/* |

---

## Links

- [Home Assistant](http://concordnuc.vish.local:8123)
- [AdGuard Home](http://concordnuc.vish.local:3053)
- [Plex](http://concordnuc.vish.local:32400)
- [Invidious](http://concordnuc.vish.local:2999)