Re: Can someone explain containers, pods, docker, etc. please
Todd Zullinger <tmz@pobox.com> wrote:
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>
> Chris Green wrote:
> > I'm trying to get my mind round the various ways of wrapping/isolating
> > collections of code and programs in Debian (well in any Linux I
> > suppose) and I'm really not understanding them very well. When you go
> > to the home of any particular one it seems to think you know what it
> > is already and thus goes from there to tell you how to install it but
> > doesn't really explain what it does.
>
> Containers are similar to virtual machines in effect.
> Compared to full virtualization, they have much lower
> overhead (which can be great) and much less isolation
> between the host and container (which can be not so great).
>
> Since they don't run their own kernel, they don't boot, so
> starting a container takes a trivial amount of time compared
> to starting a virtual machine.
>
> Try either or both of these for more details:
>
> https://ubuntu.com/blog/what-are-linux-containers
> https://www.redhat.com/en/topics/containers/whats-a-linux-container
>
Thanks, the Ubuntu blog in particular has given me a lot of help.
--
Chris Green
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