home/homelab/idle-process.md

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-title: Create a Background Idle Prevention Processs
-description: 
-published: true
-date: 2025-06-25T13:53:00.203Z
-tags: 
-editor: markdown
-dateCreated: 2025-06-25T11:49:23.320Z
----
-
-# Setting Up a Lightweight Keep-Alive Script on Ubuntu Server 24.04 LTS
-
-This guide describes how to create a `keep_alive.sh` script to prevent a headless Ubuntu Server from being considered idle and how to configure it as a systemd service for persistence.
-
-## Creating the Keep-Alive Script
-
-1. **Create the Script**:
-   Open a terminal and create the script file:
-   ```bash
-   nano /usr/local/bin/keep_alive.sh
-   ```
-   Add the following content:
-   ```bash
-   #!/bin/bash
-   while true; do
-      script -q -c "echo 'Keep alive'" /dev/null
-      sleep 60
-   done
-   ```
-   Save and exit by pressing `Ctrl+O`, `Enter`, then `Ctrl+X`.
-
-2. **Make the Script Executable**:
-   Set execute permissions for the script:
-   ```bash
-   chmod +x /usr/local/bin/keep_alive.sh
-   ```
-
-3. **Run the Script in the Background**:
-   Start the script in the background, ensuring it persists after logout:
-   ```bash
-   nohup /usr/local/bin/keep_alive.sh &
-   ```
-
-## Configuring the Script as a Systemd Service
-
-To ensure the script runs automatically on boot and is managed by the system, configure it as a systemd service.
-
-1. **Create the Systemd Service File**:
-   Create a service file:
-   ```bash
-   sudo nano /etc/systemd/system/keep-alive.service
-   ```
-   Add the following content:
-   ```ini
- 	[Unit]
-	Description=Keep Alive Script to Prevent Idle
-	After=network.target
-
-	[Service]
-	Type=simple
-	ExecStart=/bin/bash /usr/local/bin/keep_alive.sh
-	Restart=always
-	StandardOutput=null
-	StandardError=null
-
-	[Install]
-	WantedBy=multi-user.target
-   ```
-   Save and exit (`Ctrl+O`, `Enter`, `Ctrl+X`).
-
-2. **Enable and Start the Service**:
-   Enable the service to start on boot and run it immediately:
-   ```bash
-   sudo systemctl enable keep-alive.service
-   sudo systemctl start keep-alive.service
-   ```
-
-3. **Verify the Service Status**:
-   Check that the service is running:
-   ```bash
-   systemctl status keep-alive.service
-   ```
-
-## Notes
-- **Resource Usage**: The script uses near 0% CPU and minimal memory (a few KB).
-- **Interval Adjustment**: Modify the `sleep 60` value in the script to change the interval (e.g., `sleep 30` for 30 seconds).
-- **Monitoring**: Confirm the script is running with `ps aux | grep keep_alive`.
-