[Cialug] SSH says: Permission denied (publickey).

[David Champion]

Try doing "ssh -v me at newhost", compare that to "ssh -v me at oldhost" and see
what it's doing differently.

-dc


On Wed, Nov 7, 2018 at 9:10 AM Scott Yates <Scott at yatesframe.com> wrote:

> I thought you needed your public key stored in the ~/.ssh folder in order
> to use private key authentication.  You might try ssh-copy-id to get your
> keys set up properly.
>
>
> On Wed, Nov 7, 2018 at 8:56 AM Todd Walton <tdwalton at gmail.com> wrote:
>
> > I have a couple of servers on AWS. I wanted to move one to a different
> > subnet in the same VPC, so I stopped the server, created an image from
> > it, then using that image launched a new server in a new subnet. The
> > resulting server is the same as it was, but with a new IP address.
> >
> > However, I can't ssh to it. I can do 'ssh todd at old_ip' and it asks me
> > for my password and logs me in. But when I 'ssh todd at new_ip' it says
> > "Permission denied (publickey)".
> >
> > I was able to get into the new server / new ip by using the default
> > user. So I looked at my user account on the old instance and the new
> > instance. There's nothing different. My ~/.ssh directory is empty on
> > both. /etc/ssh/sshd_config is exactly the same on both, right down to
> > the md5sum. And I'm obviously using the same ssh client for both from
> > my local workstation.
> >
> > Here's sshd_config on the server:
> >
> >  Protocol 2
> >  SyslogFacility AUTHPRIV
> >  PermitRootLogin no
> >  RSAAuthentication yes
> >  PubkeyAuthentication yes
> >  AuthorizedKeysFile    .ssh/authorized_keys
> >  PermitEmptyPasswords no
> >  PasswordAuthentication yes
> >  ChallengeResponseAuthentication no
> >  GSSAPICleanupCredentials yes
> >  UsePAM yes
> >  AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY
> > LC_MESSAGES
> >  AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
> >  AcceptEnv LC_IDENTIFICATION LC_ALL LANGUAGE
> >  X11Forwarding no
> >  ClientAliveInterval 60
> >  UseDNS no
> >  Banner /etc/ssh/banner
> >  Subsystem    sftp    /usr/libexec/openssh/sftp-server
> >
> > Anyone have a guess as to what's happening?
> >
> > --
> > Todd
> > _______________________________________________
> > Cialug mailing list
> > Cialug at cialug.org
> > http://cialug.org/mailman/listinfo/cialug
> >
> _______________________________________________
> Cialug mailing list
> Cialug at cialug.org
> http://cialug.org/mailman/listinfo/cialug
>