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On 15/02/12 19:03, J. Bakshi wrote:
> Dear list,
>
> Greetings to all of you. I have come to know about backuppc recently
during my search
> for a net based backup solution which requires bare minimal settings at
user end and
> supports various client OS. backuppc surely meet my requirement.
>
> I am confused about the server-client authentication. The ssh+rsync is
very attractive,
> but I like to restrict the passwordless key so that only and only the
commands required
> to complete the backup operation should be performed. Within the from
field in the key
> I can hard code the server IP, but how can I restrict the commands ?
The command can also be restricted in the authorized_keys file. You may
want to refer to the man page for the correct usage and details. Also,
you should get things working without any restrictions first, then add
the IP and command restriction. This way, you have less things to debug.
> Alternatively the rsyncd is also my consideration and I wonder how
superior it is
> over ssh+rsync. Please give some clue on the above said topics so that
I can follow
> the right direction.
This depends on your own preference... Another option would be rsyncd
tunnelled over ssh. One reason I really like to add ssh in the mix is
because I use SSH compression, which reduces bandwidth requirements.

I prefer SSH+rsync because there is no config file, no service/daemon
that needs to be running, no extra open port, etc...

I hope that helps you think about the pros/cons of each approach.

Regards,
Adam

- -- 
Adam Goryachev
Website Managers
www.websitemanagers.com.au
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Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing 
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