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The pacman-repo setup step used a bash heredoc (`<<'EOF'`), which fish — the
default shell on CachyOS — cannot parse ("expected a string, but found a
redirection"). Replace it with a cross-shell `printf | sudo tee -a` form in both
the Arch guide and packaging/arch/README.md; `$repo`/`$arch` stay literal for
pacman and the output is byte-identical to the old heredoc.
Firewall: stock Arch ships none (ports already open), but CachyOS enables
firewalld by default and an Arch package must never touch the running firewall.
Ship firewalld service definitions the host package installs to
/usr/lib/firewalld/services/ (punktfunk-gamestream, punktfunk-native), not
auto-enabled; the install scriptlet prints the enable command only when
firewall-cmd is present. Document it in the Arch guide (new section) and README.
The mgmt API (loopback) and web console ports are deliberately not opened.
Also fix the "GTK4 couch/Deck client" mislabel — it's the native
GTK4/libadwaita Linux client (desktop/laptop/Deck are targets; the
controller-optimized launcher is one view, not its identity) — across the Arch
PKGBUILD/README, Arch guide, and the Debian README.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
110 lines
4.9 KiB
Markdown
110 lines
4.9 KiB
Markdown
# punktfunk-host — Debian/Ubuntu package (apt)
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`punktfunk-host` is published as a `.deb` to **Gitea's Debian package registry** in the public
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`unom` org, so the Ubuntu hosts update with plain `apt`. CI (`.gitea/workflows/deb.yml`) builds
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and publishes on every push to `main` (a rolling `0.5.0~ciN.g<sha>` build to the **`canary`** apt
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distribution) and on `vX.Y.Z` tags (a clean `X.Y.Z` to the **`stable`** distribution, plus attached
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to the unified Gitea Release). The two are separate apt distributions, so a stable box never jumps
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to a canary build — see [Release Channels](https://punktfunk.unom.io/docs/channels). The repo line
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below subscribes to `stable`; swap `stable` → `canary` for the latest main builds.
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The same workflow also publishes **`punktfunk-web`** (the browser management console — pairing +
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status) and **`punktfunk-client`** (the native GTK4/libadwaita Linux client). `punktfunk-host` **Recommends**
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`punktfunk-web`, so a default `apt install punktfunk-host` pulls the console too (alongside the
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udev/sysctl bits) unless you've disabled weak deps; `punktfunk-client` is independent — install it
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on the box you stream *to*. (`punktfunk-probe` is the headless reference/test tool, not packaged
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here.)
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Package layout mirrors the Fedora RPM (`../rpm/punktfunk.spec`): the host binary, the `/dev/uinput`
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udev rule, the systemd **user** unit, headless session helpers, the example config, and the OpenAPI
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doc. Runtime `Depends` are computed by `dpkg-shlibdeps` from the binary itself (built in the Ubuntu
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26.04 rust-ci image, so the lib soname package names match the target). The NVIDIA driver
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(`libnvidia-encode` / `libEGL_nvidia` / `libcuda`) is **not** a dependency — it's installed out of
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band, like on the RPM side.
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## Install on a host (one-time)
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The registry is public, so no apt auth is needed — just trust the repo's signing key:
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```sh
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sudo install -d -m 0755 /etc/apt/keyrings
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curl -fsSL https://git.unom.io/api/packages/unom/debian/repository.key \
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| sudo tee /etc/apt/keyrings/punktfunk.asc >/dev/null
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echo "deb [signed-by=/etc/apt/keyrings/punktfunk.asc] https://git.unom.io/api/packages/unom/debian stable main" \
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| sudo tee /etc/apt/sources.list.d/punktfunk.list
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sudo apt update
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sudo apt install punktfunk-host
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```
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Then, as the desktop user:
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```sh
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sudo usermod -aG input "$USER" # virtual gamepads (re-login to take effect)
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mkdir -p ~/.config/punktfunk
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cp /usr/share/punktfunk-host/host.env.example ~/.config/punktfunk/host.env # then edit
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systemctl --user enable --now punktfunk-host
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# Web console — enable it and read the auto-generated login password (then open https://<host-ip>:47992):
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systemctl --user enable --now punktfunk-web
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journalctl --user -u punktfunk-web-init | sed -n 's/.*password generated: //p'
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```
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## Firewall
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Open the ports the host listens on. The **native `punktfunk/1`** plane:
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- **QUIC control plane: UDP 9777** (`serve --native-port N` to change).
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- **Data plane: an *ephemeral* UDP port** — negotiated per session, so there is no fixed port to
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open. For a restrictive firewall you'd need to allow a UDP range (the repo does not pin one).
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And the **GameStream / Moonlight** ports (fixed) — only needed if you run the host with
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`serve --gamestream` (opt-in, trusted LAN only); bare `serve` is native-only and doesn't open these:
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| Port | Proto | Purpose |
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|---|---|---|
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| 47984 | TCP | HTTPS nvhttp (paired, mutual-TLS) |
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| 47989 | TCP | HTTP nvhttp (`/serverinfo`, `/pair` PIN flow) |
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| 48010 | TCP | RTSP handshake |
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| 47998–48010 | UDP | Video RTP (+ FEC), ENet control (47999), audio (48000) |
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| 5353 | UDP | mDNS auto-discovery |
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The mgmt API (TCP 47990) binds to loopback by default — leave it closed unless you move it off
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loopback with `--mgmt-bind IP:PORT` (which then requires `--mgmt-token`).
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With `ufw`:
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```sh
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sudo ufw allow 9777/udp # punktfunk/1 control plane
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sudo ufw allow 47984/tcp && sudo ufw allow 47989/tcp && sudo ufw allow 48010/tcp
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sudo ufw allow 47998:48010/udp
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sudo ufw allow 5353/udp
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# plus the ephemeral punktfunk/1 data port — open a UDP range you reserve for it.
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```
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With raw `nftables` (add to your `inet filter input` chain):
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```
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udp dport 9777 accept # punktfunk/1 control plane
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tcp dport { 47984, 47989, 48010 } accept
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udp dport { 47998-48010, 5353 } accept
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# plus the ephemeral punktfunk/1 data port (a reserved UDP range).
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```
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## Updates
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```sh
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sudo apt update && sudo apt upgrade # picks up the newest published build
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systemctl --user restart punktfunk-host # if the unit was already running
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```
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## Build a `.deb` locally
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```sh
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VERSION=0.0.1 bash packaging/debian/build-deb.sh # -> dist/punktfunk-host_0.0.1_amd64.deb
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```
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Needs `dpkg-dev` (`dpkg-shlibdeps`, `dpkg-deb`). It builds the release binary first if missing.
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Build it in the rust-ci image (or on an Ubuntu 26.04 box) so the resolved `Depends` match the
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hosts; building on a GPU box is fine — the NVIDIA driver lib is filtered out either way.
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