This is in contrast to “classical” virtualisation. The vita point is that the docker container basically runs in an isolated part of the Linux kernel.
Like this every docker process can be isolated from the rest of the operating system and only manage what has been allocated. This technology enables processes to only see certain parts of resources previously allocated to them. Docker uses features in the Linux kernel called namespaces, cgroups and many more. How does docker work under Linux.įirst we need to discuss how docker works in it’s native environment, Linux. This is a quite high level overview and discussion and in no way complete. I have quite a good understanding on how it works under Linux as this seems to be the native docker environment but how does docker get onto mac and how does it actually run? While docker is normally quite good documentation wise I couldn’t find anything for this specific topic. While porting the Green Metrics Tool to mac I started wondering how docker actually works on mac. This post is an intro to the underlying container mechanics that we use on Linux and how they work on macOS.
In order to create a nicer development experience, we are currently undergoing some work to port our Green Metrics Tool to macOS. Many of our developers work on macOS exclusively.
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