Frank
6bdfd2853e
18 pages cut their per-endpoint shape, payload, port and window claims and
link [[frank-archon]] / [[frank-dragoon]] / [[frank-zealot]] instead. Several
of the cut claims had already drifted -- the stack page still described the
kingjones ROCmFP4 era on ROCmFPX, OpenWebUI carried the 27B/3-slot bench
narrative, Hermes named a retired max_model_len and the old service name, and
the OMP harness page's live-window block had drifted off frank-zealot's real
262,144 (it is now labelled a dated worked example whose authority is the
endpoint page).
Two facts gain a single owner instead of two: the up{job=~"frank-.*"} scope
lives in Infrastructure/Prometheus.md, and the blackbox/Anubis probe form in
Architecture/Stale Signal Audit.md, each cited from the other page.
Voice Packs and Frank TTS carried live-state claims that contradicted the
engine page's 2026-10-18 deploy record (nothing listening on 7772/8880, model
dir absent); they now point at the pages that own host state.
87 lines
4.5 KiB
Markdown
87 lines
4.5 KiB
Markdown
---
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type: reference
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description: "Plex Media Server is a **containerized media server on Dankserver**: a podman"
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tags:
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- dankserver
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- plex
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timestamp: 2026-09-15
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---
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# Plex
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Plex Media Server is a **containerized media server on Dankserver**: a podman
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quadlet (`plex.service`) under the systemd **user** generator, generated from
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`dankserver/plex/quadlet/plex.container`. It shares the host with a second live
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media server, [[Jellyfin]] (`jellyfin.service`, listening on 8096); both serve
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from the same read-only Entropy Volume mount.
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**Host:** Dankserver — **Ports:** 32400/tcp (PMS web + API), 32400 is the
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only port PMS needs for client streaming; LAN clients connect directly,
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public traffic can be fronted by Caddy like every other vhost.
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## Facts
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| Item | Value |
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|------|-------|
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| Runtime | podman quadlet, `plex.service` (user manager) — migrated from the native `plexmediaserver.service` OS-package unit (2026-09) |
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| Image | `lscr.io/linuxserver/plex:1.43.4.10903-e5521bd8c-ls325` (pinned; verified == the ghcr `latest` manifest digest at pin time) |
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| Data root | `/var/lib/plexmediaserver` bind-mounted **in place** as `/config` (RW) — the migration moved zero bytes |
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| Media | `/mnt/entropy` mounted at the same absolute path **read-only** — every library path in the PMS database stayed valid, zero re-scan |
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| Identity | fleet rootless model — container root maps to the `dank` user (1000:1000); the deployer chowns the data root on first cutover |
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| Port | `32400/tcp` published on `0.0.0.0` — zero client reconfiguration |
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| Network | `dankserver_appnet`, alias `plex`; Tautulli reaches it at `http://plex:32400` |
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| GPU | none by decision — CPU decode only; the two R9700s stay dedicated to [[frank-archon]] |
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| Deploy | `./scripts/deploy.sh dankserver --service plex` |
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| Docs | https://support.plex.tv |
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## Why in-place bind mounts
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The migration moved zero bytes: the container bind-mounts the native data
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root where it already lived, and the media archive re-mounts at
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`/mnt/entropy` inside the container, so every absolute library path in the
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PMS database keeps resolving. The one metadata change: rootless podman
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cannot map the real host uid 997, so the fleet model applies — container
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root runs as the `dank` user, and the deployer adopts the data root with
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`chown -R 1000:1000` on first cutover (rollback chowns it back).
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## Cutover & rollback
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- First deploy stops and **masks** `plexmediaserver.service` (never
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`disable` — on these hosts `disable` deletes the unit file), chowns
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`/var/lib/plexmediaserver` to `1000:1000`, then starts the quadlet; the
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deployer blocks until `/identity` answers on 32400.
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- Rollback lever while masked: `systemctl --user stop plex.service && sudo
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chown -R 997:984 /var/lib/plexmediaserver && sudo systemctl unmask
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plexmediaserver.service && sudo systemctl start plexmediaserver.service`
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(ownership-only churn — zero bytes ever moved).
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- Decommission (`sudo apt-get -y purge plexmediaserver`) only after explicit
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operator sign-off.
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## Integration points
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- **Caddy:** Plex is exempt from the Anubis bot challenge
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(plain-HTTP legacy clients cannot solve JS challenges) — see
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[[Anubis]] "Exempt by construction".
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- **Tautulli** ([[Tautulli]]) is the companion: it polls PMS on the appnet
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for statistics and notifications and makes no sense without Plex.
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- **Auth wall:** if a public vhost is ever pointed at Plex, put the
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Authentik outpost + Anubis chain in front of it like every other guarded
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vhost ([[Authentik]], [[Caddy]]); direct `:32400` exposure to the LAN is
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unauthenticated by design (Plex owns its own auth via claim tokens).
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## Gotchas
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1. **Do not benchmark on it blind.** Transcoding is CPU-only now but still
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contends with the LLM fleet's host-RAM expert streaming; stop the service
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before benchmark runs, per the Benchmarking Policy.
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2. **Updates are commit-driven, not apt.** The OS package is retired at
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cutover; upgrading PMS means pinning a new `-ls` tag in the unit file and
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redeploying — never run `:latest`.
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3. The claim token is the identity of this server; document it in the host
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`.env`, never in this repo (secret rules apply). The token lives in
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`Preferences.xml` inside the RW data bind, preserved by the migration.
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4. **Cold container boot is slow.** PMS pre-binds 32400 and empty-replies
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while the HTTP layer finishes loading; the first boot of a years-old
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library took ~10 minutes (2026-09 cutover). The deployer gate now allows
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600 s before failing; later boots are much faster (warm page cache).
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