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inotify alert (#15027)

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Release Notes:

- linux: Show an error and troubleshooting steps for inotify limits
(#10310)
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Conrad Irwin 2024-07-23 14:21:56 -06:00 • committed by GitHub
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docs/src/linux.md
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@ -122,3 +122,13 @@ All of these features are provided by XDG desktop portals, specifically:
- `org.freedesktop.portal.Secret`, or `org.freedesktop.Secrets`
Some window managers, such as `Hyprland`, don't provide a file picker by default. See [this list](https://wiki.archlinux.org/title/XDG_Desktop_Portal#List_of_backends_and_interfaces) as a starting point for alternatives. `KDE` doesn't implement the secret portal, installing `gnome-keyring` may solve this.
### Could not start inotify
Zed relies on inotify to watch your filesystem for changes. If you cannot start inotify then Zed will not work reliably.
If you are seeing "too many open files" then first try `sysctl fs.inotify`.
* You should see that max_user_instances is 128 or higher (you can change the limit with `sudo sysctl fs.inotify.max_user_instances=1024`). Zed needs only 1 inotify instance.
* You should see that `max_user_watches` is 8000 or higher (you can change the limit with `sudo sysctl fs.inotify.max_user_watches=64000`). Zed needs one watch per directory in all your open projects + one per git repository + a handful more for settings, themes, keymaps, extensions.
It is also possible that you are running out of file descriptors. You can check the limits with `ulimit` and update them by editing `/etc/security/limits.conf`.