Julien LutranandClaude Opus 5 a7f1ac691e doc: FTTH migration — gateway is now 192.168.0.1
The Archer C7 at .2 is gone; the FTTH box at .1 is the gateway. Every
static holdout (nas host, nuc host, privoxy, transmission-bt) pointed at
the dead .2 and had no internet — the reported symptom was privoxy.

Also record two things the migration broke that were not obvious:

- DHCP reservations did not carry over. blocky held .254 by reservation
  on the C7; a lease renew on the FTTH box moved it and took LAN DNS
  down. It is static now. jellyfin-* are still DHCP on stale leases.
- The FTTH box advertises native IPv6. transmission-bt's tunnel is
  AllowedIPs = 0.0.0.0/0, so v6 egressed around the kill switch on the
  home address. IPv6 is now disabled in that container.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-16 10:08:42 +02:00

Personal infrastructure notes

Two repositories back this setup: doc (this one) and scripts (the cron drivers and their config files, deployed to /root/scripts on each host).

Start here:

  • backup-strategy.md — what is backed up, by which tool, on what schedule, and how to restore.
  • new-container.md — conventions for adding a service to ks4 (and getting it backed up automatically).

Tech notes

  • nuc/ — home lab on nuc: host, iGPU instances
  • nas/ — storage + backup host nas (Supermicro A1SAi-2750F): the 4 TB on direct SATA, media over NFS, backup pools
  • ks4/ — prod server ks4 at OVH: host, services, network flows
  • ks2/ — legacy backup server being decommissioned
  • archer-c7/ — home router (TP-Link Archer C7 v5 running on OpenWrt)

Conventions

  • One markdown file per topic in the correct subdir, containing the full implementation notes, configuration, and troubleshooting notes.
  • Containers are built from Debian/Ubuntu images and configured exclusively through incus exec/incus config so the doc is the single source of truth — rebuilding = re-running the script.
  • Adding a service to ks4: follow new-container.md (no Docker in containers — incus runs OCI images natively and incus-compose handles stacks; data paths go into scripts/restic-paths).
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