![]() While such containers are uncommon, they aren't exactly rare. no platform libraries, not even foundational basics like glibc.no root user (or at least one well and truly nerfed).When that program stops, the container stops. Whereas a virtual machine won't boot without an operating system, a container might have as little as a single static binary inside, able to do nothing but start that one program when you start the container. "Hey, look, you can install Ubuntu in a container!" While it is true that you can do that, to stop thinking about the matter at that level will lead you into conceptual errors when you apply that thinking to containers more broadly. ![]() I've run across a lot of people who think of Linux containers as nothing more than kernel-less VMs.
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