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--- ms.service: azure-arc ms.subservice: azure-container-storage-azure-arc ms.topic: include ms.date: 03/12/2025 author: sethmanheim ms.author: sethm # Customer intent: "As a system administrator, I want to configure Linux with Ubuntu for a cluster setup, so that I can ensure adequate file monitoring capabilities are in place." --- ### Prepare Linux with Ubuntu This section describes how to prepare Linux with Ubuntu if you run a single-node or two-node cluster. 1. Run the following command to determine if you set `fs.inotify.max_user_instances` to 1024: ```bash sysctl fs.inotify.max_user_instances ``` After you run this command, if it outputs less than 1024, run the following command to increase the maximum number of files and reload the **sysctl** settings: ```bash echo 'fs.inotify.max_user_instances = 1024' | sudo tee -a /etc/sysctl.conf sudo sysctl -p ```