[Clo-devel] Using public key based authentication with ssh (was Re: rsync down)

[Erik Huelsmann]

Hi Raymond,

It's possible to create a passwordless key. I use that mechanism for
cronjobs myself.

Regards,

Erik

On Oct 8, 2014 7:19 AM, "Raymond Toy" <toy.raymond at gmail.com> wrote:
>
> >>>>> "Mark" == Mark Evenson <evenson.not.org at gmail.com> writes:
>
>     Mark> On 07 Oct 2014, at 05:36, Raymond Toy <toy.raymond at gmail.com>
wrote:
>
>     >>>>>>> "Mark" == Mark Evenson <evenson.not.org at gmail.com> writes:
>     >>
>     Mark> On 10/5/14 16:58, Raymond Toy wrote:
>     >>>> On 10/5/14 2:18 AM, Mark Evenson wrote:
>     >>>>> On 10/5/14 0:41, Raymond Toy wrote:
> >>>>> As the subject says, rsync appears to be down.
> >>>>>
> >>>>> I've been using rsync to do periodic backups of ], so can we get
> >>>>> rsync  restored?
> >>>>>
>     >>>>> Hmmm.  The 'rsync' binary is still present:
>     >>>>>
>     >>>>> what do you mean by "rsync" is down?  Did you use  something
other than
>     >>>>> "rsync through ssh connection"?
>     >>>>>
>     >>>> Sorry, I should have been clearer.  I've had a cronjob for years
that
>     >>>> basically does:
>     >>>>
>     >>>> rsync -av rsync://common-lisp.net/project/cmucl/cvsroot
cmucl/cvsroot
>     >>>>
>     >>>> When I run this now, I get this error:
>     >>
>     Mark> Indeed rsyncd is not running as a service.
>     >>
>     Mark> Any reason you don't simply change your usage to:
>     >>
>     Mark> rsync -avz rtoy at common.lisp.net:/project/cmucl/cvsroot
cmucl/cvsroot
>     >>
>     Mark> using "rsync over ssh" instead of "rsyncd"?
>     >>
>     >> Doesn't that require that I supply my password (or ssh
credentials)?
>     >> I don't know how to do that in a crontab script.
>
>     Mark> One would use the public key based authentication scheme.  From
the ssh(1) manual page:
>
>
> I am using public key authentication; my c-l.net account has
> authorized_keys set up so I can ssh in without using my password
> (which I've now forgotten).
>
> But for this to work, don't I have to run ssh-agent/ssh-add? I can't
> do that from my cron job.
>
> Am I missing something?
>
> --
> Ray
>
>
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