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Julien LutranandClaude Opus 5 7e6b8f2848 doc: make every LAN instance static, record the FTTH fallout

Follow-up to a7f1ac6. The Archer C7's DHCP reservations did not carry
over to the FTTH box, so anything still on DHCP was one lease renew away
from moving — as blocky already demonstrated by taking LAN DNS with it.
jellyfin-server and jellyfin-client are now static too; homeassistant
stays dynamic on purpose (it never had a reservation).

Records three things that cost time to find:

- jellyfin-client can never use netplan: the kiosk raw.lxc bind-mounts
  the host /run/udev read-only, so netplan generate fails and config
  silently does not regenerate at boot. It uses systemd-networkd now.
- LAPTOP719974 and patate also lost their reserved addresses.
- ks4 cannot serve as an IPv6 exit: it has a global v6 address and a
  default v6 route but no working v6 egress, so extending the torrent
  tunnel to ::/0 is not an option. IPv6 stays disabled in the container.

Also notes the C7 + LTE box kept as fallback: only the gateway differs.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-09-16 10:33:17 +02:00

jellyfin-client.md

nas+nuc: cold boot verified; record what clearing the metadata errors took

2026-08-31 10:16:44 +02:00

jellyfin-server.md

jellyfin: scan on download completion — inotify cannot work over NFS

2026-08-31 20:21:36 +02:00

nuc-install.md

doc: make every LAN instance static, record the FTTH fallout

2026-09-16 10:33:17 +02:00

README.md

nuc: media over NFS from nas, on-demand role, i915 and input traps

2026-08-30 23:53:30 +02:00

usb4t-dropouts.md

docs: schedules live in root crontab, not /etc/cron.d or timers

2026-08-31 10:49:29 +02:00

README.md

Homelab: nuc

Incus host on the LAN — on-demand: since 2026-08-30 it only needs to run when watching Jellyfin or using the Spotify Connect kiosk. Everything always-on (blocky/DNS, privoxy, transmission-bt) moved to nas, which is why nuc can now be powered off.

⚠️ Powering nuc off has backup consequences — its 03:30 replication to nas only runs while it is up. See nas-install.md §9.

Debian 13, Intel Alder Lake-N (iGPU i915, shared by both Jellyfin containers) — bare-metal reinstall: nuc-install.md
Instances are bridged onto the LAN (192.168.0.0/24)
Storage: ZFS pool data on the SSD (all instance disks). The USB 4 TB and its pool left nuc on 2026-08-30 — the enclosure's JMicron bridge was suspending the pool (usb4t-dropouts.md); the disk now sits on direct SATA in nas as pool tank.
Media library: /srv/media is now an NFSv4 mount from nas (192.168.0.4:/media, read-only). jellyfin-server stays here for the iGPU and reads it with shift=false (jellyfin-server.md).
Backups: nuc and nas cross-replicate — nuc pushes all its instances to nas:nucbackup at 03:30, nas pushes its own to nuc:nasbackup at 04:00, so neither host's instances depend on that host surviving (nas/nas-install.md §9). The ks4 pull leg moved to nas as well (ks2/nas-seed.md), so nuc no longer runs a WireGuard tunnel.
⚠️ Never reboot nuc with the display powered on — the i915 probe dies and takes every container with it (including LAN DNS). Symptoms and fix: jellyfin-client.md

Instances

Name	IP	Doc	Features
jellyfin-server	192.168.0.5	✅	unprivileged, autostart; iGPU render node (`gpu` device, render gid) for QSV/VAAPI transcoding; `/srv/media` disk device (NFS from nas, `shift=false`, read-only); proxy device → host :8096
jellyfin-client	192.168.0.6	✅	privileged, autostart; full iGPU (`gpu` device, gid 44) → HDMI kiosk (cage + Jellyfin Media Player); custom `raw.lxc` (bind `/dev/snd`, `/dev/input`, host `/run/udev`); Pioneer USB audio as ALSA default; FR keymap; go-librespot Spotify Connect ("Pioneer A-70")
homeassistant	(stopped)	—	virtual machine, 50 GiB root disk on pool `data`

Moved to nas on 2026-08-30: transmission-bt (next to the media dataset it writes to), plus blocky and privoxy so LAN DNS and the proxy survive nuc being shut down.