[slurm-users] ssh-keys on compute nodes?

[Durai Arasan]

Hi Jeffrey,

Thanks for the clarification.

But this is concerning, as the users will be able to ssh into any node. How
do you prevent that?

Best,
Durai

On Mon, Jun 8, 2020 at 5:55 PM Jeffrey T Frey <frey at udel.edu> wrote:

> User home directories are on a shared (NFS) filesystem that's mounted on
> every node.  Thus, they have the same id_rsa key and authorized_keys file
> present on all nodes.
>
>
>
>
> > On Jun 8, 2020, at 11:42 , Durai Arasan <arasan.durai at gmail.com> wrote:
> >
> > Ok, that was useful information.
> >
> > So when you provision user accounts, you add the public key to
> .ssh/authorized_keys of *all* nodes on the cluster? Not just the login
> nodes.. ?
> > When we provision user accounts on our Slurm cluster we still add .ssh,
> .ssh/id_rsa (needed for older X11 tunneling via libssh2), and add the
> public key to .ssh/authorized_keys.
> >
> > Thanks,
> > Durai
>
>
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