Patching the Linux kernel without reboot with Ubuntu livepatch

When you want to maximize the uptime of your servers, you need a way to update the kernel to fix security vulnerabilities without having to reboot the machines.

For that, Canonical provides livepatch: a way to apply live security patches to the Ubuntu's kernel, without the need to reboot.

And I have good news: Canonical provides this service for free for up to 3 machines (desktops or servers)!

The first step is to get your Ubuntu Advantage token at the following address: https://ubuntu.com/advantage

Then on your machine:

$ sudo ua attach [YOUR TOKEN]
$ sudo ua enable livepatch
$ ua status

Take a look at https://ubuntu.com/livepatch for more information.

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Tags: programming, tutorial, linux, devops

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