unikernels were hard. key word: were.
Summary
Geoffrey Huntley discusses the renewed interest in unikernels, arguing that the historical friction around unikernel development has diminished. The piece highlights security implications, the idea of applications as the OS, practical porting with AI-assisted tooling, and projects like Spaceleans, along with Nix overlays and machine tests as part of building and evaluating unikernel-based systems.