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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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What would be the best way for me to recover data from my old laptop's hard drive, which seems to have a bad superblock? (lemmy.ml)

submitted 11 months ago by vortexal@lemmy.ml to c/linux@lemmy.ml

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I got an external hard drive enclosure for the purpose of recovering some of the files from my old laptops hard drive. The hard drive and all of it's partitions show up in both disks and gparted but it wont mount. When I tried to mount it manually, it gave the error message stating that it can't read the superblock. I've never had to deal with this issue before, so the only things I've tried so far were fsck and the data recovery option in GParted, and neither of them helped.

I tried searching about it online but all of the solutions I found online either didn't work or required methods that are currently not possible for me. The hard drive had Ubuntu (22.04 if I remember correctly) installed on it and I just need access to the files in the sdd3 partition, which was formatted in ext4.

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[–] aard@kyu.de 38 points 11 months ago (14 children)

First step, in case you didn't do that yet: Create a disk image of the partition - you don't want to try data recovery on the actual data. Easiest is just using dd to dump the disk to another drive.

Next try running testdisk on the image to see if it can find the backup superblocks - if it does you can feed that to fsck to restore the filesystem.

If you know the blocksize of the filesystem you can also run mke2fs with the -S parameter - this will just write the superblocks. Again, only do that on a disk image, not the actual drive.

[–] franzcoz@feddit.cl 1 points 11 months ago

Another tool that has helped me when the others couldn't was RecuperaBit. It has the same restrictions though, you have to do it on an image of the drive.

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