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put mediamtx user in video group

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legop3
2025-11-10 16:09:11 -05:00
parent 114a87ce60
commit e472b0b2ac
2 changed files with 3 additions and 2 deletions
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docs/pi-deployment.md
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@@ -63,6 +63,7 @@ If the script installs the sample config, it will remind you to edit `/etc/rover
```
`roverd` requires access to `/dev/ttyAMA0` and `/sys/class/gpio`; keeping it under its own user ensures the rest of the system stays isolated.
`mediamtx` needs read access to the camera devices (`/dev/media*`, `/dev/video*`), so the install script adds its service account to the `video` group; if you created the user manually, make sure it belongs to `video`.
**BRC note:** writing to `/sys/class/gpio/export` typically requires root on Raspberry Pi OS. Until the pulser moves to `libgpiod`, either run the service as root or set `brc.gpioPin: -1` (rover may eventually sleep).
If you set `media.manage: true` in `/etc/roverd.yaml`, make sure the `roverd` service account can invoke `systemctl <action> <media.service>` (either run the unit as root or grant sudo privileges for that command).
pi/install_roverd.sh
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@@ -173,7 +173,7 @@ if [[ $INSTALL_MEDIAMTX -eq 1 ]]; then
exit 1
fi
ensure_user mediamtx ""
ensure_user mediamtx "video"
install_mediamtx_binary
install -d -o mediamtx -g mediamtx /etc/mediamtx
install -o mediamtx -g mediamtx -m 0644 pi/mediamtx/mediamtx.yml /etc/mediamtx/mediamtx.yml