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this post was submitted on 18 Oct 2024
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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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I would definitely try using photorec if you have specific files you hope to find. It may not handle btrfs well but any files stored as a contiguous chunk should be recoverable.
I would also try partition recovery with testdisk but chances are it won't do much for btrfs.
You can try the steps in this article: https://www.suse.com/support/kb/doc/?id=000018769
Don't forget to copy your volume if there's anything super important in there. only a very small part of the volume was zeroed, if tools don't exist to recover the data now, they will eventually 😅