On 12/09/2006, at 8:11 PM, Darren J Moffat wrote:
Patrick wrote:
just wondering if there is any free software to back-up and keep
up-to-date certain folders on my hard drive to external hard
drive? basically i need to be able to plug in my external USB HD
and be able to tell which files have changed and which files are
new and copy them down.
i thought about using CVS or Subversion and checking in the
directories i want to keep backed up, but perhaps there's
something better suited for the job out there?
filesync(1)
http://cvs.opensolaris.org/source/xref/on/usr/src/cmd/filesync/
Even has a README in the source to show how it works.
I cant believe I've never heard of this!
For remote jobs along the same lines, I use unison (http://
www.cis.upenn.edu/~bcpierce/unison/).
It has the advantages of supporting use over ssh and of using the
rsync algorithm to only send the changed parts of files, but the
disadvantage (to the user) that it's written in OCaml, which is
probably not installed on your machine. Compiles to native code,
though so you don't need it on the target box.
Boyd
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