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# keyman-system-service
A DBus system service that allows to access `/dev/input/*` devices
to toggle capslock and perform other keyboard related actions. This is
required when running under Wayland, but also used with X11.
See <https://0pointer.net/blog/the-new-sd-bus-api-of-systemd.html>,
<https://stackoverflow.com/a/44281937>,
<https://github.com/chiehmin/gdbus_test/blob/master/server.c>,
<https://aleksander.es/data/GNOMEASIA2014%20-%20Introduction%20to%20DBus.pdf>.
## Notes
- If we need to limit access to the interface to only Keyman, we can use
[polkit](https://www.freedesktop.org/software/polkit/docs/latest/polkit.8.html)
which allows to add a rule with an action that checks for the program.
- to see the log file
```bash
journalctl -f -u systemd-keyman
```
- to monitor method calls
```bash
sudo busctl monitor com.keyman.SystemService1
```
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