Learn how to enable Real-time Ubuntu on your workstation.

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Real-time Ubuntu is now openly available through the Universe repository for versions 22.04 LTS to 25.04, featuring the PREEMPT_RT patchset for deterministic performance and lower latency. The real-time kernel can be installed via simple apt commands, with LTS versions receiving extended support through Ubuntu Pro subscriptions. Optimized variants are available for Intel processors and Raspberry Pi devices, and the real-time kernel is also supported on Ubuntu Core for embedded applications.

How to enable Real-time Ubuntu on your machine