Live kernel patches for Ubuntu

Canonical has announced the availability of a live kernel patch service forthe 16.04 LTS release."It's the best way to ensurethat machines are safe at the kernel level, while guaranteeing uptime,especially for container hosts where a single machine may be runningthousands of different workloads."Up to three systems can be patched for free; theservice requires a fee thereafter. There is a long FAQ about the servicein thisblog post; it appears to be based on the mainline live-patchingfunctionality with some Canonical add-ons.