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Maxim Devaev
2025-10-23 17:22:22 +03:00
parent 1b2f0e32d9
commit 5c82c7cac4
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docs/config.md
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@@ -9,7 +9,7 @@ PiKVM OS has various low-level settings you can customize: timeout for the `kvmd
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## How overrides work in PiKVM OS
Main default settings are stored in `/etc/kvmd/main.yaml`. However, you should **never edit that file**. To override these and other defaults, you need to edit `/etc/kvmd/override.yaml` instead.
Main default settings are stored in `/usr/lib/kvmd/main.yaml`. However, you should **never edit that file**. To override these and other defaults, you need to edit `/etc/kvmd/override.yaml` instead.
PiKVM OS applies settings from `main.yaml` first and then applies anything it finds in `override.yaml`. This approach helps keeping defaults and customizations safely separate from each other.
@@ -198,13 +198,43 @@ There are close to a dozen various system daemons that depend on configuration s
Once the device restarts, your changes take effect.
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## Keeping customizations atomic
When you apply massive customizations, it may help separating changes into several files to keep them manageable.
To do that, create these YAML files inside the `/etc/kvmd/override.d/` directory. KVMD will apply all configurations in the following order: `main.yaml` -> `override.d` -> `override.yaml`. Inside the `override.d` directory, KVMD will apply YAML files in alphabetical order, so please pay attention to how you name them.
To do that, create these YAML files inside the `/etc/kvmd/override.d/` directory. KVMD will apply all configurations in the following order: `main.yaml` -> legacy `auth.yaml` -> `override.d` -> `override.yaml`. Inside the `override.d` directory, KVMD will apply YAML files in alphabetical order, so please pay attention to how you name them.
We recommend sticking with a particular file-naming scheme, e.g. `0000-vendor-otg-serial.yaml`. We do reserve `-vendor-` and `-pikvm-` prefixes for our own future needs, though.
Once you completed the customization and validated newly created/edited files, reboot your PiKVM for the changes to take effect.
Once you completed the customization and validated newly created/edited files, reboot your PiKVM for the changes to take effect.
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## Legacy notes
* Older installations may have used the outdated `/etc/kvmd/auth.yaml` for authorization settings.
It existed even before the introduction of `/etc/override*` mechanism.
It has never been recommended for use in this documentation and should contain only the string `{}`, meaning an empty configuration.
However, if you have used it, you should move your configuration from `/etc/kvmd/auth.yaml`
somewhere in `/etc/kvmd/override.d` or even `/etc/kvmd/override.yaml`,
and then delete the source file `/etc/kvmd/auth.yaml`.
For example, if the `/etc/kvmd/auth.yaml` contained the following text:
```yaml
enabled: false
```
You can move it to `/etc/kvmd/override.d/9999-auth.yaml` and change the nesting of the parameters as follows:
```yaml
kvmd:
auth:
enabled: false
```
* Early YAML configurations could contain the `!include` directive, which loaded the content of another file to the appropriate level.
It still works, but has been deprecated and should not be used. Support will be removed in the future.