docs: add instructions to raise user.max_inotify_instances limit

If this limit isn't raised, kata will fail with `failed to create containerd task: failed to create shim task: Creating watcher returned error too many open files: unknown` when running many containers.
edgelesssys · Sep 25, 2024 · cab4402 · cab4402
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diff --git a/docs/docs/getting-started/bare-metal.md b/docs/docs/getting-started/bare-metal.md
@@ -26,6 +26,8 @@ Follow Canonical's instructions on [setting up Intel TDX on Ubuntu 24.04](https:
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+Increase the `user.max_inotify_instances` sysctl limit by adding `user.max_inotify_instances=8192` to `/etc/sysctl.d/99-sysctl.conf` and running `sysctl --system`.
+
 ## K3s Setup
 
 1. Follow the [K3s setup instructions](https://docs.k3s.io/) to create a cluster.

diff --git a/tools/vale/styles/config/vocabularies/edgeless/accept.txt b/tools/vale/styles/config/vocabularies/edgeless/accept.txt
@@ -105,6 +105,7 @@ Subresource
 substituters
 superset
 Syft
+sysctl
 systemd
 tardev
 tarfs