On Wed, Mar 22, 2006 at 01:24:33PM +0100, Marco Fretz wrote:
> hello
>
> i had a well known problem, but no idea how to build a "correct"
> solution.
>
> we have a lot of linux and bsd servers at our isp. i have to backup data
> from these systems to a remote system.
>
> the backup server (storage server) has access to remote systems (data
> sources) over ssh and public key auth (a user named backup exists on all
> systems).
>
> my problem, this user has no access to some files
> in /etc, /usr/local/etc, and so on. so what to do?
>
> i build a script that runs locally on all system over root cronjob. the
> script backs up all data in a tar file on the local machine.
>
> my problem now i had to transfer the whole tar archive (on some systems
> over 8 GB) to my backupserver every day twice (packup period).
>
> is there a way with rdiff-backup to start rdiff-backup on remote machine
> with root access (by sudo)?
Probably, but is the basis of the problem not that the backup user has
insufficient priviliges?
It might be a better solution to use public-key authentication for root,
limited to executing a single command. The rdiff-backup docs seem to
include this solution.
Joachim
