Real-time Ubuntu releases¶
Ubuntu Server / Desktop¶
Version |
Code name |
Real-time Kernel Version |
Variants |
|---|---|---|---|
Ubuntu 22.04 LTS |
Jammy Jellyfish |
5.15 |
generic, intel-iotg |
Ubuntu 24.04 LTS |
Noble Numbat |
6.8 |
generic, raspi |
Ubuntu 24.10 |
Oracular Oriole |
6.11 |
generic |
Ubuntu 25.04 |
Plucky Puffin |
6.14 |
generic |
Note
The LTS releases of Ubuntu support newer kernel versions. Those are available as Hardware Enablement (HWE) kernels; see Ubuntu kernel lifecycle.
Refer to How to enable Real-time Ubuntu to set up a supported Ubuntu version.
Ubuntu Core¶
Version |
Real-time Kernel Version |
|---|---|
Ubuntu Core 22 |
5.15 |
Ubuntu Core 24 |
6.8 |
Note
Newer kernels (6.11, etc) can be installed on Ubuntu Core via Hardware Enablement (HWE) kernel snaps. The list of publicly available kernel snaps can be found in the pc-kernel Snap Store page.
To install the real-time kernel on an instance of Ubuntu Core, refer to How to install the real-time kernel on Ubuntu Core.
To create an Ubuntu Core image with the real-time kernel, refer to How to create a Real-time Ubuntu Core image.