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infra/docs/systems-overview.md

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pub.solar Systems Overview

Last updated: 2025-03-11

Jump to:

  1. Server nachtigall
  2. Server metronom
  3. Server trinkgenossin
  4. Server blue-shell
  5. Server delite
  6. Server tankstelle
  7. Server underground
  8. Hetzner 1TB storagebox

Server nachtigall

Specs:

  • AMD Ryzen 7 3700X 8-Core Processor
  • 64 GB RAM
  • 4x 1TB NVMe disks

Disk layout:

  • Encrypted ZFS mirror vdevs

Operating System:

  • NixOS 24.11 linux-x86_64

Usage: Main pub.solar server. Hosts the majority of pub.solar services. Non-exhaustive list:

  • collabora
  • coturn
  • forgejo
  • keycloak
  • mailman
  • mastodon
  • matrix-synapse (homeserver)
  • mediawiki
  • nextcloud
  • owncast
  • searx
  • tmate
  • tt-rss
  • obs-portal

Server metronom

Specs:

  • Hetzner VPS type: CAX11
  • 2 vCPU
  • 4 GB RAM
  • 40GB disk

Disk layout:

  • Encrypted ZFS single disk (stripe)

Operating System:

  • NixOS 24.11 linux-aach64

Usage: pub.solar mail server. Note this is an ARM server.

Server trinkgenossin

Specs:

  • Strato VPS type: VPS Linux VC8-32
  • 8 core AMD EPYC-Milan Processor
  • 32 GB RAM
  • 1TB NVMe disk

Disk layout:

  • Encrypted LUKS single disk

Operating System:

  • NixOS 24.11 linux-x86_64

Usage: Monitor, garage cluster node. Services:

  • grafana
  • loki
  • prometheus
  • garage
  • forgejo-actions-runner (docker)

Server blue-shell

Specs:

  • netcup VPS type: VPS 1000 G11
  • 4 core AMD EPYC-Rome Processor
  • 8 GB RAM
  • 256 GB SSD disk
  • 850GB mechanical disk

Disk layout:

  • Encrypted LVM on LUKS single disk and encrypted LUKS garage data disk

Operating System:

  • NixOS 24.11 linux-x86_64

Usage: Garage cluster node.

Server delite

Specs:

  • liteserver VPS type: HDD Storage VPS - HDD-2G
  • 1 core AMD EPYC 7452
  • 2 GB RAM
  • 1TB mechanical disk

Disk layout:

  • Encrypted LVM on LUKS single disk

Operating System:

  • NixOS 24.11 linux-x86_64

Usage: Garage cluster node.

Server tankstelle

Specs:

  • 24 core Intel Xeon E5-2670 v2 @ 2.50GHz
  • 40 GB RAM
  • 80GB SSD disk

Disk layout:

  • LVM

Operating System:

  • NixOS 24.11 linux-x86_64

Usage:

  • forgejo-actions-runner (selfhosted, NixOS)

Server underground

Specs:

  • 8 core Intel Xeon E5-2670 v2 @ 2.50GHz
  • 16 GB RAM
  • 40 GB SSD disk

Disk layout:

  • LVM on LUKS, single disk

Operating System:

  • NixOS 24.11 linux-x86_64

Usage: Testing server.

Hetzner 1TB storagebox

Usage: Backups get pushed to a Hetzner storagebox every night.