Re: Backups between servers
Rod Rodolico wrote:
> I have three web servers and would like them to back each other up.
> They host around 60 sites and a couple of hundred e-mail accounts.
> They are on the same subnet.
>
> In the past I have allowed root on one machine to ssh into the
> others as "authorized keys" so I could run rsync as a cron job. It
> works, but I'm worried about security. If the "master" machine is
> ever cracked, it gives a good loophole into the others.
>
> Any suggestions? Is there a way to authorize a machine to only
> execute a limited set of commands on another (ie, rsync).
Or create the backups locally, export the directory containing them over
NFS, and others just copy the file from the NFS share to a local storage
periodically.
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