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Meulengracht merged 3 commits into from
Apr 17, 2026
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docs/reference/administration/system-options: add interface option #277

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docs/reference/administration/system-options: add interface option
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17 changes: 17 additions & 0 deletions docs/reference/administration/system-options.md
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Expand Up @@ -91,6 +91,23 @@ See {ref}`Home directories outside of ‘/home’ <interfaces-home-outside-home>

> ⓘ Available since snapd _2.59_.

## system interface

Permits specific interfaces options to be changed . The only option currently supported is interface [auto-connection](https://snapcraft.io/docs/explanation/interfaces/interface-auto-connection/).

- **interface.allow-auto-connection**: configure auto-connection rules for the interface, options are `{false|true|verified}`.
* `false` or `true` controls whether auto-connections are permitted.
* `verified` means that only snaps carrying a snap declaration can auto-connect this interface.

The following example would configure the `x11` interface
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to deny all auto-connections:

```
snap set system interface.x11.allow-auto-connection=false
```

> ⓘ Available since snapd _2.73_.

## system resilience.vitality-hint

This option adjusts the Linux kernel's out-of-memory ([OOM](https://www.kernel.org/doc/gorman/html/understand/understand016.html)) killer behaviour for specific snap services.
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