Building new kernels and booting into them is an unavoidable—and time-consuming—part of kernel development. Andrea Righi works for Canonical on the Ubuntu kernel team, so he does a lot of that and wanted to find a way to speed up the task. To that end, he has been working on virtme-ng, which is a way to boot a new kernel in a virtual machine, and it does so quickly. He came to the 2023 Linux Plumb