A rarely updated blog

— technical notes and not much else

Today's talk: What's a container?

2018-04-02 talks

There are a lot of misconceptions about what is really a container, such as those managed with Docker. I was in the camp of the people who thought that a container was some kind of “lightweight virtual machine”, which could not be further from the truth!

The actual technology that is behind a container engine is very different from a virtual machine: in summary, it’s just a chroot-ed file system, and the Kernel applying strict policies to access and usage of resources.

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