---
title: Echo6 Environment Reference
type: reference
tags:
  - proxmox
aliases: []
related:
  - [[ip-allocation]]
  - [[headscale-onboard-node]]
  - [[caddy]]
  - [[ct-runbook]]
  - [[proxmox-create-ubuntu-vm]]
updated: 2026-06-19
---
# Echo6 Environment Reference

## Proxmox Cluster (echo6-cluster)

Five nodes running Proxmox VE:

| Node    | Local IP      | Tailscale   | Hardware                                        | RAM            | Purpose                          |
| ------- | ------------- | ----------- | ----------------------------------------------- | -------------- | -------------------------------- |
| data    | 192.168.1.240 | 100.64.0.6  | AMD Ryzen 7 PRO 5750GE, 1TB NVMe + 1TB SATA SSD | 32GB DDR4-3200 | Database [[services]]            |
| utility | 192.168.1.241 | 100.64.0.5  | AMD Ryzen 7 PRO 5750GE, 512GB NVMe              | 32GB DDR4-3200 | Utility services, monitoring     |
| cloud   | 192.168.1.242 | 100.64.0.4  | Intel i7-12700T, 512GB NVMe                     | 32GB DDR4-3200 | Cloud storage, personal services |
| media   | 192.168.1.243 | 100.64.0.3  | Intel i7-14700T, 2x 512GB NVMe                  | 32GB DDR5-5600 | Media server, *arr stack         |
| toc     | 192.168.1.244 | 100.64.0.13 | Workstation (i9-10900X)                         | 64GB DDR4      | GPU compute, AI/ML workloads     |
### Node Storage Details

| Node | Primary Disk | Secondary Disk |
|------|-------------|----------------|
| data | Samsung SSD 980 1TB (NVMe) | SanDisk SDSSDH3 1TB (SATA SSD) |
| utility | WD PC SN740 512GB (NVMe) | — |
| cloud | SK Hynix HFS512GEJ9X164N 512GB (NVMe) | — |
| media | 2x Intel SSDPEKNU512GZH 512GB (NVMe) | — |
| toc | 512GB NVMe | — |

### Network Notes

- **media NIC:** Original Intel e1000e NIC crashes under sustained NFS load — replaced with USB Realtek RTL8153 GbE adapter on vmbr0
- **Tailscale [[dns]] bootstrap:** All LXC containers with Tailscale have a systemd drop-in (`/etc/systemd/system/tailscaled.service.d/dns-bootstrap.conf`) that ensures fallback DNS exists before tailscaled starts, preventing chicken-and-egg DNS resolution failures on reboot

### TOC Node Details

- **Hardware:** Intel i9-10900X (20 threads), 64GB RAM (4×8GB + 2×16GB DDR4), 512GB NVMe, RTX A4000
- **GPU:** Passed through via VFIO to VM 150 (cortex), not used on host
- **VMID ranges:** 100-149 (LXC), 150-199 (VMs)
- **Presave backup:** `/home/zvx/toc-presave/` on Contabo (1.8G) — contains old Ubuntu config

## Virtual Machines

| VM | Host | VMID | Local IP | Tailscale | Purpose |
|----|------|------|----------|-----------|---------|
| cortex | toc | 150 | 192.168.1.150 | 100.64.0.14 | GPU compute — Open WebUI, Ollama, Qdrant, TEI, Claude Code |
| recon-vm | data | 1130 | 192.168.1.130 | 100.64.0.24 | [[recon]] + [[navi]] platforms, Files, Kiwix, geo backends |
| arr | media | 105 | 192.168.1.160 | 100.64.0.18 | ARR media automation stack (Jellyfin, Sonarr, Radarr, etc.) |

### cortex VM Details

- **OS:** Ubuntu 24.04 (cloud-init), kernel 6.8.0-100-generic
- **Resources:** 16 threads, 32GB RAM, 300GB disk
- **Swap:** 32GB swapfile (`/swapfile`), `vm.swappiness=10` (prefer RAM, swap under pressure only). Provisioned 2026-04-23 to support bursty jobs (gdal_contour, tippecanoe) alongside Docker ML containers.
- **GPU:** RTX A4000 (passthrough), NVIDIA driver 580.126.09, CUDA 13.0
- **Software:** Docker 29.2.1 + nvidia-container-toolkit 1.18.2, Node.js 22.22.0, Python 3.12.3
- **Docker containers:** open-webui (8080), ollama (11434 w/ GPU), qdrant (6333), tei (8090)
- **User:** zvx (sudo, SSH keys from cluster)
- **Claude Code:** installed

### recon-vm Details

- **OS:** Ubuntu 24.04.4 LTS (cloud-init), kernel 6.8.0-110-generic
- **Resources:** 4 cores, 24GB RAM, 180GB disk
- **Software:** Docker 29.4.0, Python 3.12.3, nginx, sqlite3, Tailscale
- **Platforms:** [[recon]] (knowledge extraction pipeline, :8420) and [[navi]] (offline navigation, navi.echo6.co, :8440) with geo backends (Valhalla :8002, Nominatim :8010, Photon :2322, PostgreSQL/PostGIS :5432)
- **Systemd services:** recon (8420), recon-watchdog, kiwix (8430), nginx (8888)
- **NFS mounts:** pi-nas:/export/library → /mnt/library, /mnt/nav, /mnt/kiwix
- **User:** zvx (sudo, SSH key auth)
- **Migrated from:** CT 130 (LXC) on 2026-04-19. Tailscale identity preserved (100.64.0.24).
- **Note:** Old CT 130 (LXC) has since been destroyed (verified 2026-06-15) — only VM 1130 remains.

### arr VM Details

- **OS:** Ubuntu 24.04 (cloud-init)
- **Resources:** 4 cores, 8GB RAM, 30GB disk on local-lvm
- **Software:** Docker 29.2.1, Tailscale, NFS client, sshpass, qemu-guest-agent
- **User:** zvx (sudo, SSH key from cortex)
- **NFS:** pi-nas:/export/arr → /mnt/arr (22TB, movies/tv/downloads)
- **Docker containers:** jellyfin (8096), jellyseer (5055), sonarr (8989), radarr (7878), prowlarr (9696), sabnzbd (8080), lidarr (8686/6595), navidrome (4533)
- **Docker network:** arr-net (bridge)
- **Config dirs:** /opt/arr/{jellyfin,jellyseer,sonarr,radarr,prowlarr,sabnzbd,lidarr}

## Key Servers

| Server | Local IP | Tailscale | Purpose |
|--------|----------|-----------|---------|
| aida-nebra | 192.168.1.253 | 100.64.0.9 | AIDA-N2(RPT,LLM) — meshtasticd node !27780c47, Nebra 2W hat, port 4403. MeshAI (CT 108) connects here via TCP |
| mt-isr | 192.168.1.141 | 100.100.0.5 (IdahoMesh) | Meshtastic sidecar Pi (G2 WiFi bridge, meshtasticd, CLI) |
| mt-burleybutte | 192.168.1.185 | — | Meshtastic node (meshtasticd, Nebra 2W hat, IdahoMesh VPN) |
| pi-nas | 192.168.1.245 | 100.64.0.21 | Raspberry Pi NAS |
| matt-desktop | 192.168.1.254 | 100.64.0.10 | Personal workstation (Windows, your PC) |
| ha | 192.168.1.151 | 100.64.0.16 | Home Assistant (VM 151 on cloud, Docker, home automation) |

| **edge1** (rebuilt Contabo VPS) | 5.189.158.149 | 100.64.0.40 | Debian 12 + Proxmox 8.4.19, **mail-only** — Mailcow in CT 101; host Caddy + mailcow-dnat.service; rebuilt 2026-06-19 |
| edge2 | 184.174.35.153 | 100.64.0.26 | Contabo Cloud VPS 30 NVMe — Proxmox VE 8.4.19 (LXC-only), 8c/24GB/400GB — **permanent front door** for vault/forge/notes/auth/matrix/element/vpn/proxmox.echo6.co + idahomesh/intermountainmesh |

*Last updated: 2026-06-19 — Contabo VPS rebuilt as edge1 (mail-only, Debian 12 + Proxmox 8.4.19, 5.189.158.149 / tailnet 100.64.0.40); Mailcow CT 101 (10.10.10.2) on edge1; edge2 is now the permanent front door for all other services; Headscale node `contabo` moved to 100.64.0.40; previously added edge2 CT 107 (headscale), CT 106 (matrix), CT 105 (authentik), CT 104 (livesync), CT 103 (forgejo), CT 102 (vaultwarden)*

## LXC Containers

| Container | Host | Local IP | Tailscale | Purpose |
|-----------|------|----------|-----------|---------|
| meshmonitor | utility (CT 100) | 192.168.1.100 | 100.64.0.7 | Meshtastic mesh monitoring (zvx-echo6/meshmonitor fork, multi-channel) |
| [[caddy]] | utility (CT 101) | 192.168.1.101 | 100.64.0.8 | Home reverse proxy |
| [[searxng]] | utility (CT 102) | 192.168.1.102 | 100.64.0.15 | Echo6 Search homepage (SearXNG, echo6.co) |
| immich | cloud (CT 120) | 192.168.1.182 | 100.64.0.2 | Immich photo management |
| nextcloud | cloud (CT 121) | 192.168.1.183 | 100.64.0.11 | Nextcloud AIO |
| meshtastic-hs | utility (CT 106) | 192.168.1.106 | — | IdahoMesh Headscale VPN coordination |
| mesh-bridge | utility (CT 107) | 192.168.1.107 | 100.64.0.22 | Dual-tailscaled bridge (echo6 ↔ idahomesh) |
| meshai | utility (CT 108) | 192.168.1.144 | 100.64.0.32 | MeshAI - LLM-powered Meshtastic assistant |
| [[archivist]] | utility (CT 118) | 192.168.1.118 | — | Archivist knowledge pipeline |
| [[argus]] | utility (CT 103) | 192.168.1.103 | 100.64.0.25 | ARGUS - OSINT intelligence gathering platform |
| [[central]] | utility (CT 104) | 192.168.1.104 | 100.64.0.12 | Data-hub spine (central.echo6.mesh) — ~25 adapters, NATS/JetStream, TimescaleDB/PostGIS — see [[central]] |
| peertube | media (CT 110) | 192.168.1.170 | 100.64.0.23 | PeerTube video streaming |
| mcc | media (CT 111) | 192.168.1.111 | — | pymc console web app (Caddy + Postfix, /api+/auth+/ws → aida-nebra :8000) |
| mailcow | edge1 (CT 101) | 10.10.10.2 | — | Mailcow email server (privileged LXC, mail-only host; reached via host DNAT + Caddy) |
| pdm | edge2 (CT 100) | 10.10.10.10 | 100.64.0.28 | Proxmox Datacenter Manager |
| wordpress | edge2 (CT 101) | 10.10.10.11 | 100.64.0.31 | WordPress for intermountainmesh.com |
| vaultwarden | edge2 (CT 102) | 10.10.10.20 | 100.64.0.33 | Vaultwarden password manager (migrated from Contabo 2026-06-16) |
| forgejo | edge2 (CT 103) | 10.10.10.21 | 100.64.0.34 | Forgejo git server (migrated from Contabo 2026-06-16) |
| livesync | edge2 (CT 104) | 10.10.10.22 | 100.64.0.35 | LiveSync Obsidian sync (CouchDB + provisioner; migrated from Contabo 2026-06-16) |
| authentik | edge2 (CT 105) | 10.10.10.23 | 100.64.0.36 | Authentik SSO platform (migrated from Contabo 2026-06-18) |
| matrix | edge2 (CT 106) | 10.10.10.24 | 100.64.0.37 | Matrix stack (Synapse + MAS + Element + mautrix-signal; migrated from Contabo 2026-06-18) |
| headscale | edge2 (CT 107) | 10.10.10.25 | 100.64.0.38 | Headscale + Headplane tailnet control plane (migrated from Contabo 2026-06-19) |

> **Note (2026-06-19):** edge2 CT placements CT 102–107 confirmed; Forge git-SSH DNAT (`forgejo-ssh-dnat.service`) is a permanent systemd unit on edge2 host.

## IP Allocation Scheme

| Range | Purpose |
|-------|---------|
| .1-.10 | Network infrastructure |
| .11-.99 | DHCP clients |
| .100-.149 | LXC containers |
| .150-.199 | VMs |
| .240-.250 | Proxmox hosts + bare metal |
| .251-.254 | Meshtastic nodes |

Full details: [[ip-allocation]]

## Headscale Node List

Current registered nodes (25 total):

| Node | Tailscale IP | Type |
|------|-------------|------|
| contabo | 100.64.0.40 | VPS (edge1, mail-only, rebuilt 2026-06-19; formerly 100.64.0.1) |
| immich | 100.64.0.2 | LXC |
| media | 100.64.0.3 | Proxmox |
| cloud | 100.64.0.4 | Proxmox |
| utility | 100.64.0.5 | Proxmox |
| data | 100.64.0.6 | Proxmox |
| meshmonitor | 100.64.0.7 | LXC |
| caddy | 100.64.0.8 | LXC |
| aida-nebra | 100.64.0.9 | Pi |
| matt-desktop | 100.64.0.10 | Desktop |
| nextcloud | 100.64.0.11 | LXC |
| toc | 100.64.0.13 | Proxmox |
| cortex | 100.64.0.14 | VM |
| searxng | 100.64.0.15 | LXC |
| ha | 100.64.0.16 | VM (cloud VM 151 — node id 54, user echo6; home automation) |
| arr | 100.64.0.18 | VM |
| pi-nas | 100.64.0.21 | Pi |
| mesh-bridge | 100.64.0.22 | LXC |
| peertube | 100.64.0.23 | LXC |
| recon | 100.64.0.24 | VM |
| argus | 100.64.0.25 | LXC |
| central | 100.64.0.12 | LXC (utility CT 104 — central.echo6.mesh) |
| edge2 | 100.64.0.26 | Proxmox/Contabo VPS |
| gl-a1300 | 100.64.0.29 | Router |
| bluefin | 100.64.0.30 | Desktop |
| wordpress | 100.64.0.31 | LXC |
| meshai | 100.64.0.32 | LXC |
| vaultwarden | 100.64.0.33 | LXC (edge2 CT 102) |
| forgejo | 100.64.0.34 | LXC (edge2 CT 103) — node id 46 |
| livesync | 100.64.0.35 | LXC (edge2 CT 104) — migrated 2026-06-16 |
| authentik | 100.64.0.36 | LXC (edge2 CT 105) — node id 48, migrated 2026-06-18 |
| matrix | 100.64.0.37 | LXC (edge2 CT 106) — migrated 2026-06-18 |
| headscale | 100.64.0.38 | LXC (edge2 CT 107) — migrated 2026-06-19 |

## IdahoMesh Headscale Node List

Separate Headscale instance on CT 106 (192.168.1.106), prefix 100.100.0.0/16.
Reachable from echo6 tailnet via mesh-bridge (CT 107).

| Node | Tailscale IP | User | Type |
|------|-------------|------|------|
| mesh-bridge | 100.100.0.3 | malice | LXC (bridge) |
| burley-butte | 100.100.0.1 | nebra | Pi (offline) |
| mt-isr | 100.100.0.5 | nebra | Pi Zero 2 W |

## SSH Access

**Standard user:** `zvx`
**Credentials:** Source from `/home/zvx/projects/.ref/credentials`

Most servers use SSH key auth. Exceptions noted below.

```bash
# SSH to any server (key auth)
ssh zvx@<ip-address>

# Examples
ssh zvx@192.168.1.244  # TOC (Proxmox host)
ssh zvx@192.168.1.150  # cortex VM
ssh zvx@192.168.1.241  # utility Proxmox
ssh -i ~/.ssh/contabo2_ed25519 root@5.189.158.149  # edge1 (mail-only; formerly Contabo)
ssh zvx@cortex         # cortex via Tailscale hostname
ssh edge2              # edge2 via SSH config alias (admin@100.64.0.26)
```

### edge2 SSH access

edge2 is hardened: `PasswordAuthentication no`, root login disabled. SSH user is `admin` with passwordless sudo. The SSH config alias `edge2` maps to `admin@100.64.0.26`.

Authorized keys on edge2 (`/home/admin/.ssh/authorized_keys`):
- `echo6-contabo2-184.174.35.153` — the original provisioning key (cortex `~/.ssh/contabo2_ed25519`)
- `cortex` — cortex default `id_ed25519`
- `matt-desktop-wsl2` — WSL2 default key
- `cookie-sync` — Windows native SSH key

To access CTs on edge2: `ssh edge2` then `sudo pct exec <vmid> -- bash`.

### Password-auth hosts

These require password authentication (no SSH keys installed):

| Host | User | Password | Access |
|------|------|----------|--------|
| aida-nebra | zvx | 7redditGold | `sshpass -p '7redditGold' ssh zvx@aida-nebra` |
| mt-isr | isr | UfPsfwyMIUIKb1 | `sshpass -p 'UfPsfwyMIUIKb1' ssh isr@192.168.1.141` |
| mt-burleybutte | bb | (see credentials) | `sshpass -p '<pw>' ssh bb@192.168.1.185` |
| matt-desktop | administrator | Qw1290opzx | `ssh -o PreferredAuthentications=password -o PubkeyAuthentication=no administrator@192.168.1.254` |
| toc | root | 7redditGold | `sshpass -p '7redditGold' ssh -o PubkeyAuthentication=no root@100.64.0.13` |

Use the Tailscale hostname (`aida-nebra`) or local IP (`192.168.1.253`) — both work for aida-nebra.
mt-isr is on IdahoMesh tailnet (100.100.0.5) — reachable from echo6 via bridge.
matt-desktop is accessible via local IP (192.168.1.254) or Tailscale (100.64.0.10) — requires explicit password auth flags.

## Key External IPs

| Purpose | IP |
|---------|-----|
| Home external (public services) | 199.6.36.163 |
| edge1 (mail-only, rebuilt Contabo VPS) | 5.189.158.149 |
| edge2 (front door: vault/forge/notes/auth/matrix/element/vpn/proxmox + idahomesh/intermountainmesh) | 184.174.35.153 |
