Ubuntu Server brings economic and technical scalability to your datacentre, public or private. Whether you want to deploy an OpenStack cloud, a Hadoop cluster or a 50,000-node render farm, Ubuntu Server delivers the best value scale-out performance available. Developed by Canonical Ltd
License: Open Source
Ubuntu Server is designed for robust server environments, offering extensive features and support for various applications, but requires more resources. In contrast, Raspberry Pi excels in low-cost, low-power applications, making it ideal for IoT and educational purposes, but it lacks the performance and capabilities of a full server OS.