How to enable Real-time Ubuntu

LTS releases of Ubuntu

Refer to Ubuntu Pro Client - How to enable Real-time Ubuntu to set up a supported Ubuntu machine.

Interim releases of Ubuntu

Real-time Ubuntu is available for install from the universe apt repository:

sudo add-apt-repository universe
sudo apt update
sudo apt install ubuntu-realtime

Refer to Real-time Ubuntu releases and Ubuntu release documentation for more information about Ubuntu releases and which support real-time.

Ubuntu Core

For getting the real-time kernel on Ubuntu Core, see How to create a Real-time Ubuntu Core image.