GNU ddrescue is a data recovery tool.

The homepage is at http://www.gnu.org/software/ddrescue/ddrescue.html.

It is packaged for Ubuntu-Rescue-Remix here:

(Add these sources to your software channels:)

deb http://ppa.launchpad.net/arzajac/ppa/ubuntu jaunty main
deb-src http://ppa.launchpad.net/arzajac/ppa/ubuntu jaunty main

To download the debs for Jaunty (binary only):

Generic version:
https://launchpad.net/~arzajac/+archive/ppa/+files/gddrescue_1.10~ppa4_i...

64-bit:
https://launchpad.net/~arzajac/+archive/ppa/+files/gddrescue_1.10~ppa4_a...

Netbook:
https://launchpad.net/~arzajac/+archive/ppa/+files/gddrescue_1.10~ppa4_l...

Changelog: 2009-02-19 Antonio Diaz

* Version 1.10 released.
* Added new option "--try-again".
* rescuebook.cc: "skip_size" has been made independent of "softbs".
* "change_chunk_status" is now faster for large logfiles.
* Fixed overflow when reading from devices of undefined size.
* Block does no more admit negative sizes.
* "make install-info" should now work on Debian and OS X.
* New file testsuite/check.sh.