It used to be that building the Linux kernel was not easy. Testing and debugging were even worse. Nowadays, it is reasonably easy to build a custom kernel and test or debug it using virtualization.
LONDON -- When I met up with my open-source buddy Dustin Kirkland, VP of engineering at Chainguard, at KubeCon Europe, he said he had me to thank for his company's new Linux distribution, Chainguard ...