Seatd: Difference between revisions
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Seatd is a seat management daemon, that does everything it needs to do. Nothing more, nothing less. Depends only on libc. Seat management takes care of mediating access to shared devices (graphics, input), without requiring the applications needing access to be root. | {{Verified|0}}[https://man.sr.ht/~kennylevinsen/seatd/ Seatd] is a [[Seat manager|seat management]] daemon, that does everything it needs to do. Nothing more, nothing less. Depends only on libc. Seat management takes care of mediating access to shared devices (graphics, input), without requiring the applications needing access to be root. | ||
When using [[elogind]], seatd is not required and viceversa. Don't add both to auto-start. | When using [[elogind]], seatd is not required and viceversa. Don't add both to auto-start. | ||
== Prerequisites == | |||
* Seatd requires that [[XDG_RUNTIME_DIR]] is set before starting your [[Wayland]] compositor. | |||
== Installation == | == Installation == | ||
{{Cmd|apk add {{Pkg|seatd}} | Install the {{Pkg|seatd}} package:{{Cmd|# apk add {{Pkg|seatd}}}} | ||
== Configuration == | |||
=== Service management === | |||
To add the {{ic|seatd}} service to auto-start using [[OpenRC]]: {{Cmd|<nowiki># rc-update add seatd | |||
# rc-service seatd start </nowiki>}} | |||
To add the currently logged in user to {{ic|seat}} group issue the command: {{Cmd|$ doas adduser $USER seat}} | |||
If you are already logged in as a <code>$USER</code>, you will need to relogin. | |||
=== Polkit === | |||
[[Polkit#Using polkit with seatd|Polkit]] can be configured and used for authentication with seatd with certain limitations. Since seatd doesn't provide detailed session tracking, polkit rules that rely on these properties (e.g., subject.active, subject.local) cannot be evaluated. Hence graphical, session-aware [[Polkit#Authentication agents|polkit authentication agents]] are not supported. | |||
Refer to [[Polkit#Example1|sample polkit rule file]] that works with seatd. | |||
== See also == | |||
* [https://man.sr.ht/~kennylevinsen/seatd/ seatd documentation] | * [https://man.sr.ht/~kennylevinsen/seatd/ seatd documentation] | ||
* [https://github.com/swaywm/sway/wiki/Setting-environmental-variables sway wiki] | * [https://github.com/swaywm/sway/wiki/Setting-environmental-variables sway wiki] | ||
[[Category:Seat_manager]] | [[Category:Seat_manager]] | ||
Latest revision as of 12:15, 16 August 2025
Seatd is a seat management daemon, that does everything it needs to do. Nothing more, nothing less. Depends only on libc. Seat management takes care of mediating access to shared devices (graphics, input), without requiring the applications needing access to be root.
When using elogind, seatd is not required and viceversa. Don't add both to auto-start.
Prerequisites
- Seatd requires that XDG_RUNTIME_DIR is set before starting your Wayland compositor.
Installation
Install the seatd package:
# apk add seatd
Configuration
Service management
To add the seatd service to auto-start using OpenRC:
# rc-update add seatd # rc-service seatd start
To add the currently logged in user to seat group issue the command:
$ doas adduser $USER seat
If you are already logged in as a $USER, you will need to relogin.
Polkit
Polkit can be configured and used for authentication with seatd with certain limitations. Since seatd doesn't provide detailed session tracking, polkit rules that rely on these properties (e.g., subject.active, subject.local) cannot be evaluated. Hence graphical, session-aware polkit authentication agents are not supported.
Refer to sample polkit rule file that works with seatd.