Linux IoT device management is crucial for optimizing smart city applications such as smart lighting systems, environmental monitoring, smart parking systems, and smart traffic management. Through efficient device management on Linux platforms, cities can remotely monitor and update IoT devices, ensuring that they function securely and efficiently. This reduces maintenance costs, enhances performance, and enables real-time adjustments to improve urban life. By leveraging Linux IoT device management, cities can seamlessly manage their smart infrastructure, optimize resource usage, and ensure the continuous, reliable operation of critical smart city systems.