Have a look at these for compression :
http://sourceforge.net/mailarchive/message.php?msg_id=abf696d2-1326-4acc-8cee-374badd63779
http://sourceforge.net/mailarchive/message.php?msg_id=c3e8b09d-a5c3-4782-93f7-44457dc1f048
> From: [EMAIL PROTECTED]
> To: backuppc-users@lists.sourceforge.net
> Date: Thu, 20 Nov 2008 15:38:44 +0000
> Subject: Re: [BackupPC-users] BackupPC Working Well - Except Archiving
>
>
> >
> > From: "Nils Breunese (Lemonbit)" <[EMAIL PROTECTED]>
> > Date: 2008/11/20 Thu PM 02:03:39 GMT
> > To: "General list for user discussion,
> > questions and support" <backuppc-users@lists.sourceforge.net>
> > Subject: Re: [BackupPC-users] BackupPC Working Well - Except Archiving
> >
> > SamK wrote:
> >
> > > A copy of BackupPC 3.1 has been obtained from the main Ubuntu
> > > repository and successfully installed on v 8.04-Server. This has
> > > now provided access to the file BackupPC_archiveStart which I intend
> > > to use via cron as outlined in the BackupPC documentation.
> > >
> > > When executed from the command line this produces an archive
> > > in .tar.raw format rather than gzip format. I must be going "snow
> > > blind" on this as I simply cannot figure out what configuration
> > > entries need to be made in which files to achieve this. I am now
> > > totally confused and cannot make progress by using the documentation.
> > >
> > > Is anyone willing to give me a hand with this?
> >
> > What is your question exactly? If you want a gzipped archive then use
> > gzip to compress the tar archive.
> >
> > Nils Breunese.
> >
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>
>
> The lack of clarity in my earlier question was probably the result of my
> frustration at the failure to do something that should be easily do-able.
>
> All I want to achieve is
> * Emulate the clicking of the Start Archive Button in the BackupPc web
> interface. This is working perfectly satisfactorily via CGI. It produces
> compressed archives FileName.tar.gz.
>
> * Schedule this to run under cron
>
> * Use the Archive[Pre Post]User commands to to mount a Truecrypt Volume on a
> removable disk to store the archives in an encrypted partition used for
> off-site storage.
>
> Ideally I would like to keep as close as possible to the default installation
> of BackupPC in meeting these goals and thereby keep user-generated scripts to
> a minimum or even eliminated.
>
> I would like to stress that I am not asking that someone else do the work
> here; rather offer assistance and guidance out of my current confusion.
>
>
> SamK
>
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