Subject: Re: [vserver] Bug#633526: vserver kernel breaks ssh public_key authentication on NFS
From: "Michael S. Zick" <mszick@morethan.org>
Date: Tue, 12 Jul 2011 09:45:05 -0500

On Tue July 12 2011, Art -kwaak- van Breemen wrote:
> On Tue, Jul 12, 2011 at 10:59:17AM +0100, Ben Green wrote:
> > Quoting Ben Hutchings <ben@decadent.org.uk>:
> > 
> > >
> > ># ls -al /home/hdunkel/.ssh/authorized_keys
> > >-rw-------   1 4294967294 4294967294   1406 Jun 15 14:34 authorized_keys
> > 
> > That's what a file system which been mounted with the "tag" option
> > under a vserver kernel looks like when exported via NFS to a machine
> > with a standard kernel I believe.
> 
> Actually I think it's some kind of nobody/nogroup id for 32
> bits...
> Or maybe the apple variant for nfs of public shared id.
> It's all bits 1 except for bit 0.
> 

If so, then sshd will not like the authorized_keys file.
sshd has strict requirements for ownership and permissions on
that file (see: man sshd).

Mike
>