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61 lines
2.8 KiB
Markdown
61 lines
2.8 KiB
Markdown
# copenhagen-a
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Proxmox VE hypervisor. Located at my dad's place in Copenhagen as an off-site location — the Copenhagen counterpart to london-a.
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## Overview
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| **Location** | Copenhagen |
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| **OS** | Debian 13 (Trixie) with Proxmox VE |
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| **Tailscale IP** | 100.91.240.29 |
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| **Role** | Hypervisor (Proxmox VE) |
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| **Form factor** | Minisforum MS-A2 mini PC |
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## Hardware
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| Component | Spec |
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| CPU | AMD Ryzen 9 9955HX (16 cores / 32 threads) |
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| Memory | 64 GB |
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| Boot disk | 1 TB NVMe (Kingston OM8TAP41024K1-A00) |
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Minisforum MS-A2 mini PC. Small, quiet, and draws minimal power relative to its performance. This replaced the original Lenovo "tiny" desktop (Intel i5-4570T / 16 GB / 500 GB) that used to run the gaming servers directly on bare metal; the host was repaved as Proxmox VE on the new hardware.
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## Services
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| Service | Port | Status | Notes |
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|---------|------|--------|-------|
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| Proxmox VE | 8006 | Active | Web UI — reachable via `copenhagen-a.pez.sh` (Caddy) or Tailscale IP |
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| Tailscale | — | Active | Mesh networking |
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| node_exporter, systemd_exporter, Alloy | — | Active | Observability baseline (Ansible-managed) |
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### Storage
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Unlike london-a, this host does **not** mount london-b's CIFS share — it's not worth the WAN/Tailscale hop from Copenhagen for VM storage. Only local storage is configured (`proxmox_ve_mount_cifs_storage: false` in `host_vars/copenhagen-a.yml`).
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| Storage ID | Type | Backing |
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| `local-lvm` | LVM-Thin | Local boot disk |
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| `local` | Directory | ISO/template/backup storage |
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### VMs
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Runs a mix of always-on VMs (Kubernetes control plane, a general-purpose workspace, Minecraft) plus Karpenter-managed Kubernetes worker nodes that scale up/down on demand.
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## Ansible
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Part of the `proxmox_hosts` group alongside london-a, sharing the `proxmox_ve` role:
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- Swaps the enterprise apt repo for `pve-no-subscription` so updates work without a paid subscription
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- Patches `proxmoxlib.js` to suppress the subscription nag dialog
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- Restricts the web UI to the `tailscale0` interface via UFW
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- Skips the london-b CIFS mount (`proxmox_ve_mount_cifs_storage: false`) — local storage only
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## Networking
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Connected directly to the ISP router's built-in switch. Symmetrical 500 Mbit connection.
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## History
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copenhagen-a used to run gaming servers directly on bare metal: a Minecraft server (`itzg/minecraft-server`, Docker) and a WoW 1.12 (Vanilla) MaNGOS Zero private server (native systemd + local MariaDB). Both were decommissioned and the host was repaved as Proxmox VE — the Tailscale identity (and IP) changed as part of the reinstall. The old static public IP used for direct game-client connections (Minecraft server list, WoW realm list) is no longer needed since nothing here accepts direct client connections anymore.
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