Cost estimate shelter-based security system

Shelter server (Ubuntu 22.04)

  • Refurbished desktop or mini PC

    • Specs: ≥8 GB RAM, 4+ CPU cores, 100+ GB SSD

    • Cost: €350–€585

  • Optional upgrades:

    • RAM (16 GB total): +€60

    • SSD (500 GB): +€70

Subtotal hardware: €350–€585 (add €130 for upgrades)

Networking & storage

  • Unmanaged switch (8‑port): €35

  • Cabling and Wi‑Fi AP: €25

  • USB HDD (1 TB): €60

Subtotal networking: €120

Optional PiRogue scanner (Raspberry Pi)

  • Raspberry Pi 4 (4 GB kit): €95

  • Wi‑Fi USB adapter / extras: €25

Subtotal PiRogue: €120

Software & tools (free)

  • Ubuntu, Wazuh, Elasticsearch, Termux, adb, OpenSSH, idevice tools — €0

Labour & setup

  • If using paid staff (~€45/hour): Setup & testing (12 hours): €540

  • If volunteer-based: €0

Maintenance & buffer

  • Yearly hardware/software buffer: €120

  • Annual staff time (~10 hours): €450

  • Contingency (10%): ~€65–€160

Summary for year 1

Category

Low (Volunteer)

High (Paid + Extras)

Server hardware

€350

€715

Networking & storage

€120

€120

PiRogue (optional)

€0

€120

Software

€0

€0

Setup labour

€0

€540

Maintenance & buffer

€120

€160

Total (approx)

€590

€1,655

Year 2+ running costs (estimated)

Item

Annual cost

Hardware buffer

€120

Paid support time

€450

Total per year

€570

Notes

  • Minimum cost (~€590) assumes volunteer time and donated equipment.

  • Full-featured cost (~€1,655) includes upgrades, PiRogue, and staff time.

  • Internet access, physical locks, and power costs are not included.

  • If you’re setting up multiple sites, shared services (like a central SIEM) could reduce the per-site cost significantly.


Last update: 2025-06-11 07:09