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Date:      Wed, 1 Dec 1999 08:20:59 -0800 (PST)
From:      <keith@mail.telestream.com>
To:        Alfred Perlstein <bright@wintelcom.net>
Cc:        Sparky <mark@itsunix.uwc.ac.za>, "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>
Subject:   Re: Backups
Message-ID:  <Pine.LNX.4.10.9912010818030.22948-100000@mail.telestream.com>
In-Reply-To: <Pine.BSF.4.21.9912010258200.4557-100000@fw.wintelcom.net>

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I've been using ssh/scp to backup 4 of my machines to a central server for
some time now.. If you are interested in the scripts let me know. You can
pass the auth information quite easily with expect. 

Keith



On Wed, 1 Dec 1999, Alfred Perlstein wrote:

> On Wed, 1 Dec 1999, Sparky wrote:
> 
> > Hello....
> > 
> > Can anyone help me?
> > I want to do backups of 4 machines to a backup server ( all running
> > Unix )
> > 
> > machine 1     LINUX REDHAT 6
> > machine 2    SOLARIS 2.6
> > machine 3    FREEBSD
> > machine 4    LINUX REDHAT 6
> > backup           FREEBSD
> > 
> > The idea is to use the crontab daemon to scp the machines necessary
> > files to the backup server,
> > and then for the backup server to....well of course back them up.
> > 
> > The first question is :
> > 
> > 1)    Is this way correct.
> > 2)    How do I get the backup to accecpt scp connections without a
> > password from only those               machines.
> > 3)    How to set up the crontab file on the machines to perform the
> > sending tasks.
> > 
> > I have tried to edit the sshd config files....but no luck.
> > I have also tried some tests with crontab file ..... no luck.
> > 
> > Note:     You might wonder why I am asking these questions......well
> > actually I am new to UNIX aprox   4 weeks. So all the advice would be
> > appreciated.
> 
> Actually this is a side project i've been working on in my spare
> time, meaning I haven't got passed the thinking about it stage. :)
> 
> The way I was going to do it is remarkably similar, the problem
> you're having with ssh is that it won't take a password from
> stdin.  A trick I came up with is to start an ssh-agent, ssh-add
> which enters keys into the agent will take a passphrase on stdin
> if you pass it a -p flag.
> 
> You can then stick a generated key into the remote backup user's
> $HOME/.ssh/authorized_keys.
> 
> Read up on ssh-agent it should be a good start.
> 
> -Alfred
> 
> 
> 
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