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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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backups for SD card disk image? that don't take up tonnes of space and can be rolled back? (lemmy.world)

submitted 3 months ago by RedSquadCampFollower@lemmy.world to c/linux@lemmy.ml

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I would like to make manual backups of an SD card as a disk image so that it can be easily recreated when needed. I'd like to keep a few versions in case there is a problem I didn't know about, it can be rolled back.

How can I do this incrementally, or with de-duplication, so that I don't have to keep full copies of the complete SD card? It's very big but most of the content won't be changing much.

It's for MiyooCFW ROM which is on FAT 32-formatted micro SD card.

Thanks for your help! Also let me know if I am going about the problem in a wrong way.

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[–] RedSquadCampFollower@lemmy.world 1 points 1 month ago

note to myself and anyone with same problem who finds the thread:

stumbled on psync: A naive tool for syncing partitions using rsync which sounds like it's at lest trying to do this task.

No documentation, no users, no project changes in 6 years.... Will give it a try another time.