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File Recovery -- Any Open Source Live CDs?

 
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John Collier
Esteemed Contributor

File Recovery -- Any Open Source Live CDs?

I keep seeing threads and I keep getting questions (in person) about file recovery. Up until recently, I just always answered that they would need to go to a "pay as you go" service provider to get this done.

Now I have been introduced to several "freeware" and retail options for M$ Windoze (such as http://www.file-recovery.net/ and http://www.recuva.com/ ) which makes me very curious about other options available.

Since the Linux/Open Source world is usually light years ahead in other system tools, can anybody point me toward some Live CD that will accomplish the same goals?

A portable solution that does not require an HDD install and is system independent would be a WONDERFUL thing.

Bunnies for all who give a new and unique option (not for repeats) that fits the criteria.
"I expect to pass through this world but once. Any good, therefore, that I can do, or any kindness that I can show to any human being, let me do it now. Let me not defer or neglect it, for I shall not pass this way again." Stephen Krebbet, 1793-1855
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Steven E. Protter
Exalted Contributor

Re: File Recovery -- Any Open Source Live CDs?

Shalom,

http://www.acronis.com
Thats the pay for option we use at work. It has a bootable DVD/CD that I believe is Linux based.

http://www.knoppix.org/

http://www.centos.org

http://www.ubuntu.com/

I use these distributions to recover and fix WINDOWS systems as well as Linux systems.

Ubuntu is wonerful. You can boot and use the OS normally and decide later if you want to isntall.

SEP
Steven E Protter
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John Collier
Esteemed Contributor

Re: File Recovery -- Any Open Source Live CDs?

Steven,

Unless I missed something on that web site you linked to, I see nothing more than backup software.

Perhaps I did not make it clear as to what I am searching for.

What I am looking for is a way to recover files that were "accidentally" deleted, were lost due to a major OS failure (without an existing full backup) requiring a reload, etc.

On a personal note, I have each of my Linux boxes backing up to each other every single day through rsync, which works very well. Of course, some people (home users mostly) do not do such a thing so they are more prone to data recovery needs, which is specifically what I am searching for here.

If I missed it on your link, please point me in the correct direction.
"I expect to pass through this world but once. Any good, therefore, that I can do, or any kindness that I can show to any human being, let me do it now. Let me not defer or neglect it, for I shall not pass this way again." Stephen Krebbet, 1793-1855
dirk dierickx
Honored Contributor
Solution

Re: File Recovery -- Any Open Source Live CDs?

Ugh, recovering deleted files on windows is easier to do because they have such a bad, lousy, insecure method of deleting files it is pretty easy to recover them.

unix systems are a little more precise and recovering deleted data is mostly a lost cause. sometimes it may work, but the success rate is pretty low.

one technique in the past was to 'dd' the entire disk until you came upon the sectors were the file previously was. this can still work for text files, but good luck on office files as they are not easy to recognize.

there is an howto available for ext2 (works on ext3 as well) - http://www.faqs.org/docs/Linux-mini/Ext2fs-Undeletion.html

Anyway, the message on unix/linux is - backup and/or snapshots. ofcourse the good thing is that these things can be automated to the max!
Ulf Zimmermann
Frequent Advisor

Re: File Recovery -- Any Open Source Live CDs?

For recovery purpose I often use RIP (Rescue is possible). You can find it at http://www.tux.org/pub/people/kent-robotti/looplinux/rip/

There is an .iso image available which can boot text only or X11 and the same also for PXE boot (my preferred method). RIP is based on debian, so certain things for HP servers don't work out of the box, for that purpose (like hpacucli) I have built my own RedHat EL3 images, loosely based on an older version of RIP.
John Collier
Esteemed Contributor

Re: File Recovery -- Any Open Source Live CDs?

Dirk,

Great link with very interesting information. Hopefully I will never need it, but nice to know it exists if I do.

You also mention that it is pretty easy to recover files on M$ platforms/file systems. Any chance you have info on a live CD that will do that as easily as possible?

My father is usually the one hit with this kind of thing from my sisters and a bootable CD that would give him a quick little tool (GUI would be even better) to use in this instance would be kind of like "the cat's meow".

He knows almost nothing of Linux, so the more simple the better.


Ulf,

Your link appears to show much promise, but I see very little in the way of documentation for it. The change log is extensive and it looks, from the package list in the change log, like it should be able to handle the M$ file system but I would love some more info if you know where it can be found.

Have you personally used this? If so, would you be willing to share your experience with it?



Steven,

Still waiting on the confirmation on your link so I can know if we were on the same page or not. I hate to leave a resident of Mount Olympus hanging on points if I can keep from it. :-)
"I expect to pass through this world but once. Any good, therefore, that I can do, or any kindness that I can show to any human being, let me do it now. Let me not defer or neglect it, for I shall not pass this way again." Stephen Krebbet, 1793-1855
John Collier
Esteemed Contributor

Re: File Recovery -- Any Open Source Live CDs?

Sorry Steven,

I feel like a month is more than enough time to wait on a confirmation or response of any kind. I wanted to be able to give you more pointage than that, but without any clarification it does not seem to be what I was looking for.

Now, I know I have seen it said above that there is many more options for file recovery in Micro$oft than there is for Linux (or any *NIX for that matter).

What might some of my Live CD-type options be for recovering files 'accidentally' deleted on that O$ platform be? Please tell me that there are some Open Source options for this that I have yet to find...
"I expect to pass through this world but once. Any good, therefore, that I can do, or any kindness that I can show to any human being, let me do it now. Let me not defer or neglect it, for I shall not pass this way again." Stephen Krebbet, 1793-1855
Huc_1
Honored Contributor

Re: File Recovery -- Any Open Source Live CDs?

Have a look at this site
http://www.sysresccd.org/Main_Page

This is a linux bootable rescue cd I found this after I had some disk corruption and did try to use it ... but then decided it would be faster to go back to on a not so old backup on new disk... and have lived with the lost, so never got to try this cd ...

Well whatever hope this will proof helpfull.

Jean-Pierre Huc
Smile I will feel the difference
John Collier
Esteemed Contributor

Re: File Recovery -- Any Open Source Live CDs?

Huc,

Nice site and it also looks like a wonderful rescue disk for major system crashes as well as a few of the more standard disk tasks. I fine tool overall.

As luck would have it, a friend of mine just put my need for a file rescue system in high gear.

She has a newer laptop w/ M$ Vista. She has spent the last 3 months on a cruise ship collecting pictures the whole time, which she has been storing on said laptop.

Long story short, one thing led to another and ALL of the photos have been deleted.

I now have the laptop in my possession and I need to find something that will help me scrape as many of the deleted photos off of her HDD as humanly possible.

The Live distro above doesn't seem to offer that function. I need one that does if at all possible.
"I expect to pass through this world but once. Any good, therefore, that I can do, or any kindness that I can show to any human being, let me do it now. Let me not defer or neglect it, for I shall not pass this way again." Stephen Krebbet, 1793-1855
Huc_1
Honored Contributor

Re: File Recovery -- Any Open Source Live CDs?

I found theses two links to opensource That seem to fit the bill ?, I have not tried this.. well not since I deleted some file on sd disk from a New Zealand tripe.. but on a fat file format... Vista may proof more tricky, anyhow keep us informed if this is any good.

http://www.cgsecurity.org/wiki/TestDisk
http://www.cgsecurity.org/wiki/PhotoRec

enjoy life.

Jean-Pierre Huc
Smile I will feel the difference