[NBLUG/talk] fear of rsync

[Chris Wagner]

If you're really worried, run rsync from a restricted account which
can't modify the contents of the source directory.  Honestly, though, I
think you'd really have to try to break the source files with specific
command line options, as Kyle points out.

- Chris

-----Original Message-----
From: talk-bounces at nblug.org [mailto:talk-bounces at nblug.org] On Behalf
Of Bob Blick
Sent: Wednesday, May 03, 2006 9:12 AM
To: General NBLUG chatter about anything Linux, answers to
questions,etc.
Subject: Re: [NBLUG/talk] fear of rsync


> Rsync is a one-way sync tool unlike some of the other tools like 
> unison which are two way. Unless you pass rsync the --delete option, 
> it will only add files that don't exist to the target (or rather, 
> files that don't exist or updates files).

A hypothetical situation, then. Say I have successfully made a backup of
a directory. Then I modify a file and decide to rsync, but I type it
wrong and the direction is reversed, so my modified file gets
un-modified?

> However, if you want to set up a backup scheme, I highly recommend 
> trying out backuppc (http://backuppc.sf.net). It's Perl-based and can 
> use Rsync, tar, or some other methods to backup both Linux, Windows,
and Mac systems.
> I've been using for a little bit and have been really pleased. There 
> are also .debs for it so if you use Debian you can just apt-get 
> install backuppc.

It's shiny-looking! But I'd just like to find out more about what can go
wrong with rsync.

Cheerful regards,

Bob




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