The "try every hour" method works just fine for me, even for users that only 
come in once a month.

But if you really want to have the client initiate the backup, the easiest way 
I can think of is to write a script that uses curl or wget to press the "start 
incremental backup" button as the user:

curl -u user:password 
http://bacckupserver/backuppc/index.cgi?host=hostname.example.com&hostIP=hostname.example.com&doit=1&action=Start_Incr_Backup

Regards,
Tyler

On Wednesday 11 November 2009 22:02:44 Meel Me wrote:
> Hello,
> 
> I want to know if it's possible to initiate a backup from the client
>  machine, in a way that the clients connects to the backuppc server over
>  the internet to start the backup?
> 
> *My (desired) situation*
> I've got a laptop. I'm abroad for many months once and a while. While I'm
>  abroad I want to be able to backup my laptop regularly and to restore the
>  data on my laptop if it crashes (or gets stolen).
> 
> I want to place my backuppc server in a total other region than my home is.
>  So that a disaster like heavy earthquake, explosion, etc. will never
>  effect and my backuppc server and my laptop at once. The location where I
>  can place my backuppc server is not in my local area network. The backuppc
>  server will only be available through the internet.
> 
> 
> *Question*
> I've read the documentation of backuppc. There are several methods for
>  backing up laptops (smb, rsync, rsyncd, tar). All methods are initiated
>  from the backuppc server, so the backuppc server will set up a connection
>  to the client. If the client (my laptop) is not in the local area network,
>  then the backuppc server can't find the client and won't make a backup of
>  it.
> 
> In the situation I described above, my laptop will never be in the local
>  area network of the backuppc server. Therefor my laptop will never be
>  backuped.
> 
> Is it possible to initiate a backup from the client machine, in a way
> that the clients connects to the backuppc server over the internet to start
>  the backup? Instead of that the backuppc server makes a connection to the
>  client?
> 
> If so, how?
> 
> Thanks,
> 
> Wim
> 

-- 
"A human being should be able to change a diaper, plan an invasion,
butcher a hog, conn a ship, design a building, write a sonnet, balance
accounts, build a wall, set a bone, comfort the dying, take orders, give
orders, cooperate, act alone, solve equations, analyze a new problem,
pitch manure, program a computer, cook a tasty meal, fight efficiently,
die gallantly. Specialization is for insects."
   -- Lazarus Long, "Time Enough for Love", by Robert A. Heinlein

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