Johan Ehnberg wrote at about 16:54:48 +0200 on Friday, December 19, 2008:
 > 
 > > Do you need anything more than the following one-liner to initiate a backup
 > >    ssh backuppc@backuppcserver /usr/share/BackupPC/bin/BackupPC_serverMesg 
 > > ba\
 > > ckup $hostname
 > > 
 > > or similar variants using other server messages or the raw program, 
 > > BackupPC_dump
 > 
 > That server message does not exist in 3.0.0 nor in 3.1.0, and that's 
 > part of the challenge. Using dump works but is bad for scheduling and 
 > requires automatic backups to be disabled and scheduling handled by the 
 > client.

It is in 3.1.0 at least - I use it all the time.
 > 
 > However, I am hoping it will be included to make things easier. If it is 
 > implemented somewhere I'd like to know :)
 > 

 > Also, the other thing the solution has to cover is security. Giving 
 > clients passwordless access to the backuppc user is not an alternative 
 > for most people, as it would in most cases give full access to all other 
 > clients.

There are a lot of potential solutions here.
An easy one might be to just give clients access to a dummy account
and then use sudo on the backuppc server to allow them to run a fixed
(limited) set of commands as user backuppc -- i.e. allow them to pass
(some or all) server messages to BackupPC

 > 
 > -- 
 > Johan Ehnberg
 > 
 > Email: johan AT ehnberg DOT net
 > GSM:   +358503209688
 > WWW:   http://www.ehnberg.net/johan/
 > 
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 > 

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