Live kernel update feature for Ubuntu users

Canonical Ubuntu Live Kernel Update

News from Distrowatch:


Dustin Kirkland has announced Canonical is rolling out a live kernel update feature for Ubuntu users.


The new feature, called kernel live patching, will allow Ubuntu users to upgrade their running kernels without rebooting their computer. “Kernel live patching enables runtime correction of critical security issues in your kernel without rebooting. It’s the best way to ensure that machines are safe at the kernel level, while guaranteeing uptime, especially for container hosts where a single machine may be running thousands of different workloads. We’re very pleased to announce that this new enterprise, commercial service from Canonical will also be available free of charge to the Ubuntu community.


The Canonical Livepatch Service is an authenticated, encrypted, signed stream of livepatch kernel modules for Ubuntu servers, virtual machines and desktops.


Details on how to enable kernel live patching can be found in Kirkland’s mailing list post.

Also, check out this link for steps on how to activate this service.

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