[TriLUG] docker vs podman

[Mauricio Tavares via TriLUG]

On Thu, Aug 20, 2020 at 2:05 AM Steve Litt via TriLUG <trilug at trilug.org> wrote:
>
> On Wed, 19 Aug 2020 23:19:12 -0400
> Mauricio Tavares <raubvogel at gmail.com> wrote:
>
> > On Wed, Aug 19, 2020 at 7:27 PM Steve Litt via TriLUG
> > <trilug at trilug.org> wrote:
> > >
> > > On Wed, 19 Aug 2020 10:09:47 -0400
> > > Mauricio Tavares via TriLUG <trilug at trilug.org> wrote:
> > >
> > >
> > > > 2. Docker does not support cgroup v2, which podman does
> > >
> > > What's the benefit of cgroup v2?
> > >
> >       https://en.wikipedia.org/wiki/Cgroups claims it was a major
> > rewrite from v1 such that it "has only a single process hierarchy and
> > discriminates between processes, not threads." Also it has been
> > supported by Fedora 31 since 29 October 2019 and Centos8. I do not
> > know if RHES does support it though, but AFAIK none of the other
> > distros -- SUSE, Ubuntu, Debian, Gentoo -- support it.
>
> How does one benefit from using cgroups at all within a container like
> Docker (or I spoze Podman, though I've never heard of it)?
>
> Thanks,
>
> SteveT
>
      Isolation of the resources associated with the
container/process/something, which can lead to improved security.
Someone else can chime in and provide a more eloquent explanation.

> Steve Litt
> Autumn 2020 featured book: Thriving in Tough Times
> http://www.troubleshooters.com/thrive
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