running scp or rsync from a script

[Chris Purcell]

Yeah, I can't do that though because these are workstations that will
change very often and new ones will be introduced at least weekly.  It
would be a huge pain to have to generate keys every time we send another
workstation out into the field.

I think I just found a very good solution, I'll post back to the list
shortly if it worked.

Chris

Ryan Golhar said:
> I'm using RSA keys, with ssh.  For instance, nightly I have a backup
> server copy all the home directories of users to a disaster-recovery
> machine:
>
> rsync -az --delete -e /usr/bin/ssh aspartic:/home/* /home
>
> The server isn't getting rebuilt so the keys will never change.  In the
> rare case they do, I'll just regenerate the keys...
>
> Ryan
>
>
> -----Original Message-----
> From: redhat-list-bounces at redhat.com
> [mailto:redhat-list-bounces at redhat.com] On Behalf Of Chris Purcell Sent:
> Wednesday, July 28, 2004 11:36 AM
> To: redhat-list at redhat.com
> Subject: running scp or rsync from a script
>
>
> I have a bunch of Linux workstations that need to copy files to a
> central
> server via cron daily.   I want to set up either an scp or rsync script
> (either Perl or bash), but the problem is the password prompt.  There
> doesnt' seem to be anyway to enter a password into an scp script, but
> with rsync I can use the --password-file=FILE option only if the central
> server
> is running the rsyncd daemon.   I'd much rather use scp than have to run
> an rsync server.   I guess my only option with scp would be to set up
> RSA/DSA keys.   The workstations will scp to the server as a user called
> "tc", not root.   It would be way too much work having to copy
> certificates from each workstation to the server so I was wondering if
> its possible to allow anybody to ssh/scp into the central server as the
> user
> "tc" without entering a password?    The user "tc" has very limited
> access
> and the server is on a LAN, so security isn't an issue here.  Does
> anyone have any other ideas on how to go about doing this?
>
> Thanks,
> Chris
>
>
>
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