I use bupstash.io
datahoarder
Who are we?
We are digital librarians. Among us are represented the various reasons to keep data -- legal requirements, competitive requirements, uncertainty of permanence of cloud services, distaste for transmitting your data externally (e.g. government or corporate espionage), cultural and familial archivists, internet collapse preppers, and people who do it themselves so they're sure it's done right. Everyone has their reasons for curating the data they have decided to keep (either forever or For A Damn Long Time). Along the way we have sought out like-minded individuals to exchange strategies, war stories, and cautionary tales of failures.
We are one. We are legion. And we're trying really hard not to forget.
-- 5-4-3-2-1-bang from this thread
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Maybe Borg is a possibility. However, I have not yet backed up an entire system with it, but only certain files.
- The file permissions have always been correct when restoring files in my case.
- Which compression (LZ4, zlib, LZMA or zstd) and which compression level is used can be specified when creating a backup.
- Backups can be mounted via FUSE, so that you can restore individual files with an file manager or a terminal emulator, for example.
At least on the Mac (bsdtar) you can extract single files out of a tar file.
E.g.,
Create the tar file:
tar cvzf pseudo.tgz pseudo/
Move to another directory
cd /tmp/tt
Extract a single file:
tar -xf ../pseudo.tgz pseudo/10481_2017.1069.png
You say PC, so might want to check the tar version you are using and see if there are extra parameters to do the file extraction.