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ansible/docs/guides/vm-static-ip-router-reservations.md
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Homelab sprint: monitoring stack, Caddy public URLs, vault secrets. 
Deploy Kuma/Beszel monitoring docs and scripts, UniFi API key in vault,
listmonk migration inventory, status.levkin.ca + stats on Caddy, and
handoff doc for next agent.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-24 08:08:39 -04:00

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VM static IPs — router DHCP reservations (pve10)

Proxmox LXCs use pct set … ip=10.0.10.X/24 (done for 210, 215–219).

VMs without cloud-init are pinned by router DHCP reservation by MAC (Method B in plan-2). Ansible cannot log into your router — configure static leases in the UI.

UniFi API: key in vault (vault_unifi_api_key). Reservations can be applied via API (see homelab status).

Homelab guests use 10.0.10.0/24 (gateway 10.0.10.1). If UniFi also serves 192.168.2.x, ensure the 10.0.10.x segment is the network those VMs/LXCs use (or that routing/DHCP relay matches your Proxmox bridge).

How to add a reservation (any router)

  1. Open router admin (UniFi: https://192.168.2.1/).
  2. Find DHCP / LAN / Static leases / Reserved addresses.
  3. For each row: MAC address → IP address → Save.
  4. Reboot guest or renew DHCP (dhclient -r && dhclient on Debian) if IP does not update immediately.
  5. Mark done in host-list.md.
VMID Name MAC Reserve IP Inventory
102 gitea-alpine BC:24:11:E9:BD:E5 10.0.10.169 giteaVM
103 WRA / n8n BC:24:11:61:DE:7A 10.0.10.154 n8n
104 vaultwarden BC:24:11:58:DB:DC 10.0.10.142 vaultwardenVM
105 TrueNAS BC:24:11:14:DE:B5 10.0.10.107 —
106 caddy BC:24:11:E0:49:B4 10.0.10.50 ✅ static in-guest
108 actual BC:24:11:10:7B:64 10.0.10.158 actual
117 hermes BC:24:11:51:1E:99 10.0.10.36 hermes (guest agent on)
200 PVE.BU.SVR BC:24:11:DA:95:3B 10.0.10.200 —
201 NextcloudAIO BC:24:11:14:D4:DE 10.0.10.24 decommission — skip new work
101 Jellyfin BC:24:11:29:B8:84 10.0.10.232 stopped
113 listmonk (pve201) BC:24:11:11:53:9A 10.0.10.148 retired → pve10 LXC 221 MAC BC:24:11:18:0C:62
— Mailcow (pve201 VM 106) BC:24:11:34:75:2D 10.0.10.132 mailcow (inventory)

After reserving in the router, mark DHCP/Static as ✅ router in host-list.md.

In-guest static (optional, stronger): SSH as root and set /etc/network/interfaces like caddy VM 106.