Re: Docker containers

From: Robert Klemme <shortcutter_at_googlemail.com>
Date: Wed, 31 Aug 2016 22:57:57 +0200
Message-ID: <e2oumnFejecU1_at_mid.individual.net>


On 31.08.2016 21:32, Mladen Gogala wrote:
> On Wed, 31 Aug 2016 19:33:14 +0200, Robert Klemme wrote:

>> VMWare and the likes simulate a complete machine including simulated
>> hardware. That is why you can run a Windows in a VM that sits on a
>> Linux host. Compare that to LXC and Docker where there is just one
>> kernel and kernel features are used to restrict access, show only a part
>> of the filesystem (chroot like), assign virtual network interfaces etc.
>> There is much less overhead. (And of course this comes at a price: you
>> cannot run something inside a Docker container which requires a newer
>> kernel than the host has.)
>
> But you do lose portability. I very much doubt that Docker container,
> created for the Linux kernel would work on Winduhs.

Of course not since there is basically no distinction between host and guest OS. See my earlier explanation.

> Actually, the person who responded with the most zeal told me that I
> should do that because Docker crossed the $1bn boundary.

In which direction?

> https://www.youtube.com/watch?v=cKKHSAE1gIs

Amazing argument. Does he also believe in UFOs?

Cheers

        robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/
Received on Wed Aug 31 2016 - 22:57:57 CEST

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