Backup encryption key

[Yuval Hager]

On Thursday 23 April 2009, Oleg Goldshmidt wrote:
> Yuval Hager <yuval at avramzon.net> writes:
> > Well, I was looking for a more streamlined solution. Something that is:
> > 1) automatic
> > 2) offsite (e.g. online)
> > 3) bandwidth and space efficient (due to (2) above)
> > 4) (opt.) encrypted
> > 5) incremental
>
> A combination of tar (that can do incremental backups) and scp or
> similar will do 2, 3, and 5. 1 can be handled by cron. 4 probably has
> to be delegated to openssl like was suggested, encrypting with a
> public key, etc.
>
> It should be possible with a simple script. I used to have one that
> did everything but encryption, I don't know if I can dig it out (of
> backups)... ;-)

This is so common, that although possible, I don't believe writing your own 
is the most cost-effective way for a backup system. Of course, YMMV.

--y
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