On 12/03/22 06:06, Dr. Mark Asbach via rsync wrote:
Hi Dan,
Why not rsync directly as root? Then you can use a passwordless,
passphraseless RSA (or similar) keypair.
I'm not saying I agree with this, but ...
That’s because these are cloud instances that get maintained by multiple
admins. If we require all of them to log in as root, we would have to share the
root password
Not if you use ssh keys - just put each admin's public key in root's
authorized_keys file.
– and that would on one hand be a security/maintainability issue (if
one person leaves the team, we’ll have to change and redistribute the
root password),
Just delete their key.
on the other hand it would violate accountability (log files would
only show logins by „root“ and after an issue, there would be no chance
to know whom to ask about strange things).
Harder, I think. I think with verbose logging, you can see the
fingerprint of the key that was used, but that seems a bit messy.
Both are the typical reasons for not using root accounts but going for
sudo instead …
I tend to agree with using sudo :-)
OTOH, I have an ansible user that can sudo with no password.
And I do my backups (using dirvish) as root, using a key with a forced
command.
Maybe that's an option? Each admin has a special key pair for this
purpose, that allows login as root, but has a forced command on the
server to do this rsync?
Cheers,
Richard
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