[Lxc-users] Ubuntu 12.04 LTSEnablementStack: missing user namespace
Serge Hallyn
serge.hallyn at ubuntu.com
Mon Mar 4 22:45:46 UTC 2013
Quoting Papp Tamas (tompos at martos.bme.hu):
> On 03/01/2013 07:47 PM, Stéphane Graber wrote:
>
> > No kernel until 3.8 (and slightly higher actually) will really support
> > user namespaces.
> >
> > In any case, the lxc version in 12.04 doesn't know how to use the user
> > namespaces even if they were there. So that output from lxc-checkconfig
> > is safe to ignore.
>
> According to checkconfig there is support in my kernel:
>
> $ lxc-checkconfig |grep User
> User namespace: enabled
>
>
> No LSB modules are available.
> Distributor ID: Ubuntu
> Description: Ubuntu 12.04.2 LTS
> Release: 12.04
> Codename: precise
>
>
> Linux getto 3.2.0-39-generic #62-Ubuntu SMP Thu Feb 28 00:28:53 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
>
>
>
>
> Whay is that?
Eric's userns work came after this kernel. In this kernel, there
is 'user ns support' but not yet any notion of kuid_t.
-serge
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